cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
The Role of Material Quality in Ewt and Standard Solar Cells on Multicrystalline Standard and UMG Silicon Material
Creators: name: Schubert, M.C.
name: Rüdiger, M.
name: Michl, B.
name: Schindler, F.
name: Kwapil, W.
name: Giesecke, J.
name: Hermle, M.
name: Warta, W.
name: Ferré, R.
name: Wade, R.
name: Petter, K.
Publisher: name: WIP-Munich
Year: 2010
Subjects: Wafer-Based Silicon Solar Cells and Materials Technology
Mono- and Multicrystalline Silicon Materials and Cells

description: 25th European Photovoltaic Solar Energy Conference and Exhibition / 5th World Conference on Photovoltaic Energy Conversion, 6-10 September 2010, Valencia, Spain; 2464-2468
description: Industrial multicrystalline silicon solar cells are frequently limited in the conversion efficiency by a
moderate electrical material quality. Small carrier diffusion lengths cause losses e.g. in the open circuit voltage. A
suitable cell design for high efficient solar cells on such a material is the EWT (Emitter Wrap Through) cell concept
where the mean distance for excess carriers to the pn junction is significantly shorter than in typical industrial solar
cells. We present experimental results on the material quality at different processing steps and its improvement by
optimized high temperature processing. A comparison between standard multicrystalline (mc) silicon and silicon
from upgraded metallurgical feedstock (umg-mc) is presented where we focus on the specific impurity contents (by
NAA analyses) and differences in the crystal quality. The impact of material quality on the cell performance in both,
EWT and standard cell architecture, is addressed by multidimensional numerical simulations. Simulations of cell
parameters for the standard cell concept are given together with experimental cell results.
Silicon Ribbon Material: Entering the Market or Eternal Promise?
Creators: name: Schönecker, A.
name: Seren, S.
name: Laas, L.
name: Den Heijer, M.
name: Kraaijveld, B.
Publisher: name: WIP
Year: 2011
Subjects: Wafer-based Silicon Solar Cells and Materials Technology
Silicon Feedstock, Crystallisation and Wafering

description: 26th European Photovoltaic Solar Energy Conference and Exhibition; 920-924
description: Direct silicon ribbon technologies such as the Ribbon-Growth-on Substrate technology have the
potential to greatly reduce silicon material usage per Wp and energy consumption. Additionally, a number of these
technologies show very high production speeds in access of 1 wafer/second and the possibility for inline processing.
Therefore these technologies could become mainstream in a mature solar module manufacturing business in the
coming years. However, in order to achieve this, technological challenges on the equipment side, competitive
material quality and compatibility with today’s and future industrial solar cell processes have to be demonstrated.
Based upon results obtained with the RGS process, it can be demonstrated that there are no principal obstacles to
achieve these objectives. However, the rapid development of these kinds of technologies is only possible if the
necessary resources can be made available in time.
Invasive sonographische Diagnostik in der Hämatologie und Onkologie
Creators: name: Benter, Thomas
Publisher: name: Humboldt-Universität zu Berlin, Medizinische Fakultät - Universitätsklinikum Charité
Year: 2004
Subjects: subject: Sonographie
subject: Hämatologie
subject: Zentralvenöser Katheter
subject: Milz
subject: Hematology
subject: Sonography
subject: Central venous catheter
subject: Spleen
subject: 610 Medizin
subject: 33 Medizin
subject: XG 6604
subject: XG 6614
subject: XH 2704
subject: YR 2530

description: Die histologische Diagnostik stellt in der Hämatologie und Onkologie die Voraussetzung einer differenzierten Therapie dar. Minimal-invasive Eingriffe mittels sonographisch-gesteuerter Punktion zur Gewinnung von zytologischen oder histologischen Material bedeutet sowohl einen zeitlichen Gewinn, als auch eine Herabsetzung des Risikos eines operativen Eingriffs. Mit dem gewonnenen Gewebe werden auch immunhistologische Untersuchungen möglich, die z.B. bei Non-Hodgkin Lymphomen notwendig sind. Zur intensiven Polychemotherapie bei malignen Erkrankungen werden oft zentral-venöse Katheter bzw. Port-Anlagen in große Venen eingeführt. Die Komplikationen und deren Management werden aufgezeigt und diskutiert. Eine sonographisch-gesteuerte Venenpunktionstechnik stellt eine Methode dar, die für die Patienten einen risikoarmen und schnelleren Weg bedeuten und als neu-entwickelte Ein-Personen-Technik auch für den Arzt ein innovatives Vorgehen bei einem potentiell komplikationsträchtigen Eingriff mit größerer Sicherheit durchzuführen.
description: In hematology and oncology histological diagnosis is an important requirement before differential chemotherapy. Sonographically guided puncture techniques achieving cytological and histological material is a time-saving process with moderate risks for the patients. With this material even immunhistological procedures in malignancies like Non-Hodgkin lymphoma are possible. For intensified chemotherapies in malignant diseases central venous catheter such as port catheters are requiriered. In this thesis complications and their management are shown and discussed. The ultrasounically guided central venous puncture represents a method for fast and low risk procedure for our patients. The one-operator technique represents an innovative and save intervention in a potentially risky procedure for physicians.
Electromigration Behavior of Solar Strings
Creators: name: Hsieh, H.-H.
Publisher: name: WIP-Munich
Year: 2010
Subjects: Wafer-Based Silicon Solar Cells and Materials Technology
Mono- and Multicrystalline Silicon Materials and Cells

description: 25th European Photovoltaic Solar Energy Conference and Exhibition / 5th World Conference on Photovoltaic Energy Conversion, 6-10 September 2010, Valencia, Spain; 1484-1487
description: Electromigration behavior of polycrystalline solar cell strings with lead SnAgPb and lead-free SnAgCu ribbons
were studied at 1000C for 100hr, 250hr, and 500hr by scanning electrical microscope (SEM). The testing samples
were connected to a multi-channel power supply with current 7 and 10 amper (A), and series resistance (Rs) of the
solar strings were characterized by four wire method. The results showed that series resistance of the sample were
initially 0.020 and then generally increased with the increasing testing time, while an abnormal increase of the string
loading with 7A for 500hr was detected as 0.026. Furhtermore, the samples loading with high current (10A) have
higher Rs values than those loading with 7A. According to the SEM analyses, the formation of intermetallics (IMCs)
was detected in the solder/Cu foil interface. The thickness and the morphology of the intermetallic layer were affected
by the testing time, in which the IMC particles was detected in the sample loading with 7A current for 100hr, while a
continuous and thicker layer was revealed in the sample loading at high current density for longer testing.
Furthermore, large whisker-shaped IMCs were exclusively detected in the lead sample loading with 7A current for
500hr, indicating the high Rs value was predominantly affected by intermetallics.
A handy easy-to-use manual for stakeholders and practitioners of the climate service tool. PART I: the olive/olive oil sector
Creators: name: A. Dell'Aquila
name: L. Ponti
name: C. Giannakopoulos,
name: M. Gratsea
name: A. Nicodemou,
name: F. Wilmer Rivas González
name: M. Terrado
name: R. Arjona
name: J. Lopez
Publisher: name: Zenodo
Year: 2021

description: A user manual for the climate tools developed for the olive sector
Analysis of Multicrystalline Wafers Originating from Corner and Edge Bricks and Forecast of Cell Properties
Creators: name: Birkmann, B.
name: Hüsler, A.
name: Seidl, A.
name: Ramspeck, K.
name: Nagel, H.
Publisher: name: WIP
Year: 2011
Subjects: Wafer-based Silicon Solar Cells and Materials Technology
Silicon Feedstock, Crystallisation and Wafering

description: 26th European Photovoltaic Solar Energy Conference and Exhibition; 937-940
description: The near edge regions of multicrystalline solar wafers show up as regions of reduced lifetime in
lifetime topographs of as cut wafers. As these low-lifetime regions lead to a deterioration of the electrical solar cell
parameters they are examined in more detail and a simplified model for their generation is developed based on
Fickian diffusion. It turns out that a solar wafer consists of at least three different parts considering its lifetime and
impurity distribution. Taking into account limitations by the solubility limit and surface recombination it is possible
to explain the lifetime distribution in the wafer edge region. Using an automated detection routine based on PL the
edge region is quantified and a forecast of cell properties is given.
Latent slice sampling
Creators: name: Li, Yanxin
Publisher: name: The University of Texas at Austin
Year: 2022
Subjects: Slice sampling
Markov chain Monte Carlo
Latent variables
High dimensional density
Shrinkage procedure
Uniform random variable
Ising model
Regression trees
State space models
Multivariate binary spaces
Latent slice sampler
Variable selection

description: The thesis develops a new and generic Markov chain Monte Carlo sampling methodology, naming latent slice sampling, that originates from slice sampling and is capable of efficient sampling. More specifically, three angles are studied to cover different types of random variables: (i). We develop a latent slice sampler for discrete variables by designing a transition probability function that can perform direct sampling without knowing the exact form of target distributions. (ii). We manage to derive a latent slice sampler for continuous variables which has the potential to be a more efficient alternative to the Metropolis-Hasting algorithm, obviates the need for a proposal distribution, and has no accept/reject component. (iii). We further propose a novel algorithm based on latent slice sampling methodology which copes well with multi-modal problem, which can approach well-studied problems from a different angle and provide new perspectives. All the methods bring clear gains, which demonstrate the benefits of applying latent slice sampling to improve Markov chain simulation.
Entanglement entropy of disordered quantum chains following a global quench
Creators: name: Zhao, Y.
name: Andraschko, F.
name: Sirker, J.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: We numerically investigate the growth of the entanglement entropy S_{ent}(t) in time t---after a global quench from a product state---in quantum chains with various kinds of disorder. The main focus is, in particular, on fermionic chains with bond disorder. In the noninteracting case at criticality we numerically test recent predictions by the real space renormalization group for the entanglement growth in time, the maximal entanglement as a function of block size, and the decay of a density wave order parameter. We show that multiprecision calculations are required to reach the scaling regime and perform such calculations for specific cases. For interacting models with binary bond disorder we present data based on infinite size density matrix renormalization group calculations and exact diagonalizations. We obtain first numerical evidence for a many-body localized phase in bond disordered systems where S_{ent}(t)~ln t$ seems to hold. Our results for bond disorder are contrasted with the well studied case of potential disorder.
description: Slightly expanded and updated version
Light Scattering and Trapping in Different Thin Film Photovoltaic Devices
Creators: name: Hüpkes, J.
name: Pust, S.E.
name: Böttler, W.
name: Gordijn, A.
name: Wyrsch, N.
name: Güttler, D.
name: Tiwari, A.N.
name: Gordon, I.
name: Qiu, Y.
Publisher: name: WIP-Munich
Year: 2009
Subjects: Thin Films Solar Cells
Amorphous and Microcrystalline Silicon Solar Cells

description: 24th European Photovoltaic Solar Energy Conference, 21-25 September 2009, Hamburg, Germany; 2766-2769
description: Light trapping in different thin film technologies is investigated in the context of the European
integrated project ATHLET since it allows for thinner devices and thus for reduction of costs for absorber material
preparation as well as for advanced multi-junction solar cells. In silicon technology, rough interfaces are typically
introduced by roughening of substrates, transparent conducting oxides (TCOs) and/or reflectors at the back side to
scatter the light into the absorber material. Well known rough TCOs, plasma-textured poly-Si as well as rough
Cu(In,Ga)Se2 (CIGS) absorbers are used as source for light scattering in microcrystalline silicon solar cells and
compared regarding their surface roughness. The results prove that CIGS and poly silicon solar cells provide efficient
light scattering by the surface features of the rough absorber.
High-Speed Fabrication of Laser Doping Selective Emitter Solar Cells Using 532nm Continuous Wave (CW) and Modelocked Quasi-CW Laser Sources
Creators: name: Bovatsek, J.M.
name: Sugianto, A.
name: Hallam, B.
name: Tjahjono, B.
name: Wenham, S.R.
name: Patel, R.S.
Publisher: name: WIP
Year: 2011
Subjects: Wafer-based Silicon Solar Cells and Materials Technology
Silicon Solar Cell Improvements

description: 26th European Photovoltaic Solar Energy Conference and Exhibition; 895-900
description: In recent years, laser doping of selective emitters (LDSE) has demonstrated great promise for
improving c-Si solar cell performance with the potential for low cost of adaptation. Absolute cell efficiency
improvement of 1 – 2 % is seen with a process pioneered at the University of New South Wales which couples
narrow-line LDSE processing with a self-aligning, light-induced plating (LIP) metallization process. To help
transfer this technology to the manufacturing floor, it is important to find and characterize the ideal laser source
for LDSE processing. Current laser sources that may be considered include continuous wave (CW) and modelocked
(ML) quasi-CW laser sources. The output to these lasers make them well-suited for localized heating and
melting of materials, and they can be built at various wavelengths, such as near infrared (NIR) at 1064 nm, green
at 532 nm, and ultraviolet (UV) at 355 nm. While both CW and ML lasers might be good choices, they are vastly
different in both their optical radiation output profile and their technological architectures. These differences
could have important ramifications for manufacturability of LDSE solar cells. As such, we have in this work
characterized both CW and modelocked laser technologies for LDSE processing. With optical emission at the
532-nm wavelength, LDSE features were created at scan speeds of 2 to 12 m/s and power levels from 12 – 15W.
LIP metallization was used for final cell fabrication. Efficiencies of 17.4 – 18.4% and fill factors from 77 – 79%
are typically achieved. LDSE cells fabricated with 355-nm ML laser source were also compared. Theoretical
considerations with regard to the wavelength and laser type are explored; and the suitability of the various laser
sources for large-scale production is discussed.
Minimum Size of Feedback Vertex Sets of Planar Graphs of Girth at least Five
Creators: name: Kelly, Tom
name: Liu, Chun-Hung
Publisher: name: arXiv
Year: 2016
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics

description: A feedback vertex set of a graph is a subset of vertices intersecting all cycles. We provide tight upper bounds on the size of a minimum feedback vertex set in planar graphs of girth at least five. We prove that if $G$ is a connected planar graph of girth at least five on $n$ vertices and $m$ edges, then $G$ has a feedback vertex set of size at most $\frac{2m-n+2}{7}$. By Euler's formula, this implies that $G$ has a feedback vertex set of size at most $\frac{m}{5}$ and $\frac{n-2}{3}$. These results not only improve a result of Dross, Montassier and Pinlou and confirm the girth-5 case of one of their conjectures, but also make the best known progress towards a conjecture of Kowalik, Lužar and Škrekovski and solves the subcubic case of their conjecture. An important step of our proof is providing an upper bound on the size of minimum feedback vertex sets of subcubic graphs with girth at least five with no induced subdivision of members of a finite family of non-planar graphs.
description: arXiv admin note: text overlap with arXiv:1603.03855
Smooth Rational Curves on Singular Rational Surfaces
Creators: name: Zhuang, Ziquan
Publisher: name: arXiv
Year: 2016
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics

description: We classify all complex surfaces with quotient singularities that do not contain any smooth rational curves, under the assumption that the canonical divisor of the surface is not pseudo-effective. As a corollary we show that if $X$ is a log del Pezzo surface such that for every closed point $p\in X$, there is a smooth curve (locally analytically) passing through $p$, then $X$ contains at least one smooth rational curve.
description: 14 pages; revised version, to appear in Michigan Math. J
title: The Little Cat's Plans (transcription/translation)
Creators: name: Souag, Lameen
Publisher: name: Pangloss
Year: 2022
Subjects: subject: Linguistique
subject: Korandje

description: Transcription and translation by Lameen Souag (27/10/2022) of "The Little Cat's Plans" - see souag-1901179162 for fuller metadata.
The Role of Undoped ZnO in CuInS2 Based Thin Film Solar Modules
Creators: name: Köble, C.
name: Greiner, D.
name: Klaer, J.
name: Lauermann, I.
name: Klenk, R.
Publisher: name: WIP-Munich
Year: 2009
Subjects: Thin Films Solar Cells
CIS and Other (II-VI) Ternary Thin Film Solar Cells

description: 24th European Photovoltaic Solar Energy Conference, 21-25 September 2009, Hamburg, Germany; 2924-2927
description: In the standard configuration of chalcopyrite based thin film solar modules a thin (50 – 200 nm) undoped
ZnO film is situated in between the CdS buffer and the highly doped ZnO transparent front contact. This film is
commonly referred to as i-ZnO. Conflicting views on the function of the i-ZnO in a chalcopyrite cell or module can be
found in literature. However, deposition of the layer adds to complexity and production costs, in particular because cycle
times need to be minimised in large-scale production. It is therefore mandatory to justify deposition of the i-ZnO film in
terms of efficiency, reproducibility (production yield) and long-term module stability.
In this contribution we report on our findings concerning the undoped ZnO and its preparation method for CuInS2-based
modules. Key parameters such as the thickness of the layer have been varied and the effect on the performance of
monolithically integrated module test structures and their stability in damp heat tests has been quantified. We generally
find that the damp heat stability of the test structures is influenced more significantly than the as-grown efficiency.
title: Effects of toxoiding agents on protective antigens of Bordetella pertussis and on other proteins
Creators: name: Khan, Farhat Mirza
Publisher: name: University of Glasgow
Year: 1997
Subjects: subject: Pharmacology.

description: In the preparation of acellular pertussis vaccines (usually containing pertussis toxin (PT), filamentous haemagglutinin (FHA) and agglutinogens (AGGs), inactivation of the toxic PT component is necessary. This investigation stems from the work of Christodoulides et al., who observed that toxoiding of a mixed antigen preparation from B. pertussis consisting of PT and FHA in a 1:1 ratio with a commercial conjugation reagent 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDAC), resulted in an enhanced immunogenic response to these antigens. The objectives of the present study were to determine if this effect could be confirmed and whether the enhanced response was still elicited after immunization of PT or FHA treated separately with EDAC. Also, by using other antigens namely ovalbumin (OA) and lysozyme (LZ), the possible restriction of this toxoiding/adjuvanting effect to the antigens of B. pertussis was examined. As controls, the antibody responses after immunization with formaldehyde and glutaraldehyde treatments were also explored. The work started with two model antigens, ovalbumin and lysozyme, to test the specificity of the adjuvanting effect of EDAC. These proteins were treated with EDAC under conditions described for toxin inactivation and at several other concentrations. On SDS polyacrylamide gels, an extra band (thought to be a dimer) was observed for LZ but not with OA. Immunization of mice followed by ELISA on the sera gave anti-OA and anti-LZ titres. Two independent experiments showed that whilst EDAC treatment resulted in enhanced anti-LZ titres, it actually depressed anti-OA titres. Another experiment where EDAC concentration was varied during OA treatment showed this repressive response was apparent only when OA was treated with 11 and 21 mM EDAC. The enhancing effect of EDAC does not seem to be specific to PT and FHA mixtures alone. It is variable with the antigen used and in some cases can actually depress the response. With respect to the antigens of B. pertussis adjuvanting by EDAC was obtained with PT and a PT/FHA mixture. Immunisation with FHA-E alone did not elicit an increased response. Conditions for the treatment with EDAC would have to be investigated further to ensure reliable inactivation of PT. However, with respect to antibody response, EDAC-treated PT was superior to formaldehyde or glutaraldehyde PT. (Abstract shortened by ProQuest.).
A handy easy-to-use manual for stakeholders and practitioners of the climate service tool. PART II: the grape/ wine sector.
Creators: name: Alessandro Dell'Aquila (ENEA),
name: Andria Nicodemou,
name: Marta Terrado,
name: Raul Marcos (BSC),
name: Christos Giannakopoulos,
name: Myrto Gratsea (NOA),
name: Marta Teixeira,
name: António Graça (SOGRAPE)
name: Freddy Rivas (GMV)
Publisher: name: Zenodo
Year: 2021

description: A practical and easy-to-use MED-GOLD Dashboard manual for the wine/grape sector
Innovative Photovoltaic Module with 8.87% More Power Output Using Discrete Substrate and Phase Change Material
Creators: name: Lin, C.-C.
name: Chou, C.-H.
name: Lin, M.-H.
name: Lee, T.-M.
Publisher: name: WIP
Year: 2011
Subjects: Components for PV Systems
PV Modules

description: 26th European Photovoltaic Solar Energy Conference and Exhibition; 3137-3139
description: Temperature plays an important role in the power output of PV modules, especially for c-Si modules.
Many researches had tried to reduce the working temperature of modules, but no one is really feasible for mass
production and passes the certification tests. This paper introduces an innovative way to reduce the working temperature
of the module, and also prevent the damage in the certification tests. The most important of all, it is able to be realized in
commercial mass production. In order to avoid the ribbon breakage during the thermal cycling test, discrete substrates are
adopted as a heat sink and also mechanically support the module instead of glass. The glass is replaced with front sheet to
reduce the weight of the module. Special phase change material is used in the substrate to further reduce the temperature.
The outdoor monitoring results are also presented in this paper. For the monitoring on a typical sunny day in November,
the temperature is reduced by 17  and the energy yield is 8.87 % more than conventional modules. This research is
valuable especially when it is more and more difficult to squeeze 1% more power from cell.
Übersicht der vom Oktober 1887 bis Oktober 1888 erschienenen Beiträge und Materialien zur Geschichte von Stadt und Kanton Zürich
Creators: name: (:Unkn) Unknown
Publisher: name: S. Höhr
Year: 1889
Subjects: subject: 010 Bibliografie
subject: Kanton Zürich
subject: Zürich
subject: Bibliografie
subject: Geschichte
subject: Landeskunde
subject: Volkskunde

description: Aus dem Zürcher Taschenbuch auf das Jahr 1889.
Re-acceleration Model for Radio Relics with Spectral Curvature
Creators: name: Kang, Hyesung
name: Ryu, Dongsu
Publisher: name: arXiv
Year: 2016
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Most of the observed features of radio {\it gischt} relics such as spectral steepening across the relic width and power-law-like integrated spectrum can be adequately explained by diffusive shock acceleration (DSA) model, in which relativistic electrons are (re-)accelerated at shock waves induced in the intracluster medium. However, the steep spectral curvature in the integrated spectrum above $\sim 2$ GHz detected in some radio relics such as the Sausage relic in cluster CIZA J2242.8+5301 may not be interpreted by simple radiative cooling of postshock electrons. In order to understand such steepening, we here consider a model in which a spherical shock sweeps through and then exits out of a finite-size cloud with fossil relativistic electrons. The ensuing integrated radio spectrum is expected to steepen much more than predicted for aging postshock electrons, since the re-acceleration stops after the cloud-crossing time. Using DSA simulations that are intended to reproduce radio observations of the Sausage relic, we show that both the integrated radio spectrum and the surface brightness profile can be fitted reasonably well, if a shock of speed, $u_s \sim 2.5-2.8\times 10^3 \kms$, and sonic Mach number, $M_s \sim 2.7-3.0$, traverses a fossil cloud for $\sim 45$ Myr and the postshock electrons cool further for another $\sim 10$ Myr. This attempt illustrates that steep curved spectra of some radio gischt relics could be modeled by adjusting the shape of the fossil electron spectrum and adopting the specific configuration of the fossil cloud.
description: accepted for publication in ApJ
Application of CMOS Metal Barriers to Copper Plated Silicon Solar Cells
Creators: name: Hernández, J.L.
name: Tous, L.
name: Allebé, C.
name: Philipsen, H.
name: Schlenker, E.
name: John, J.
name: Baert, K.
name: Poortmans, J.
Publisher: name: WIP-Munich
Year: 2010
Subjects: Wafer-Based Silicon Solar Cells and Materials Technology
Mono- and Multicrystalline Silicon Materials and Cells

description: 25th European Photovoltaic Solar Energy Conference and Exhibition / 5th World Conference on Photovoltaic Energy Conversion, 6-10 September 2010, Valencia, Spain; 1479-1483
description: In this paper, alternative front-side metallization schemes for c-Si solar cells are investigated. These are
based on the sputtering of different metal barriers followed by copper electroplating. Different emitters have been
evaluated. The influence of the plating process and the impact of different barrier materials on contact resistance, plating
properties and device reliability are also investigated. Using this approach, large area silicon solar cells with conversion
efficiencies up to 19.4% are obtained on Cz material. First results on the application of these deposition techniques in a
low-cost industrial compatible process flow show a conversion efficiency of 18.5%.
The influence of the plating process and the impact of different barrier materials (Ti, Ti/TiN, Ta and TaN) on the
device reliability are studied. The effectiveness of the silicon nitride antireflecting layer and the metal barrier layer to the
diffusion of copper is looked upon and the impact on solar cell performance of different aging processes is assessed.
Report on the Final release of the tool for the durum wheat
Creators: name: A Toreti,
name: A. Ceglar,
name: V. Manstretta,
name: S. Calmanti,
name: M. Zampieri
Publisher: name: Zenodo
Year: 2021

description: The final components of the durum wheat tool are here discussed together with an implementation into the existing decision supporting system granoduro.net® to showcase the main functionalities and possibilities.
Übersicht der vom Oktober 1889 bis Oktober 1890 erschienenen Beiträge und Materialien zur Geschichte von Stadt und Kanton Zürich
Creators: name: (:Unkn) Unknown
Publisher: name: S. Höhr
Year: 1891
Subjects: subject: 010 Bibliografie
subject: Kanton Zürich
subject: Zürich
subject: Bibliografie
subject: Geschichte
subject: Landeskunde
subject: Volkskunde

description: Aus dem Zürcher Taschenbuch auf das Jahr 1891.
Fabrication and Characteristics of CIGSe Thin Films Using Compound Precursor
Creators: name: Chuang, C.C.
name: Guo, J.W.
name: Chang, J.C.
Publisher: name: WIP-Munich
Year: 2009
Subjects: Thin Films Solar Cells
CIS and Other (II-VI) Ternary Thin Film Solar Cells

description: 24th European Photovoltaic Solar Energy Conference, 21-25 September 2009, Hamburg, Germany; 2921-2923
description: Two poly-crystalline chalcopyrite structures (CuInSe2 and CuInGaSe2) were formed by two stages process (deposition and
selenization of precursor) in this study. The precursors of absorber layers were deposited using CuInSe2 and CuGaSe2 targets by
RF sputtering at room temperature, and then the poly-crystal CuInSe2 and CuInGaSe2 thin films were made after selenization at
550 oC of substrate temperature. We investigated the influences of different temperature of selenization to the morphology and
grain size of CuInSe2 thin film. The grain sizes of CuInSe2 thin films can be change from 110 nm to 1000 nm with different
temperature of selenization under Se ambiance. It is indicated that the grain growth of chalcopyrite structure was controllable
with the different temperature of substrate in Se atmosphere. Furthermore, the precursors of CuInSe2 and CuGaSe2 thin films on
Mo/soda-lime glass appeared amorphous-like structure before selenization. The poly-crystalline CuInSe2 and CuInGaSe2 thin
films were formed at high temperature (550 oC) under Se ambiance. The high crystalline and amorphous chalcopyrite structures
were determined from XRD spectra data. Finally, we have observed that the CuInGaSe2 thin film could be made from CuInSe2
and CuGaSe2 targets by sputtering process and selenization.
Understanding Musical Diversity via Online Social Media
Creators: name: Park, Minsu
name: Weber, Ingmar
name: Naaman, Mor
name: Vieweg, Sarah
Publisher: name: arXiv
Year: 2016
Subjects: subject: Computers and Society (cs.CY)
subject: Social and Information Networks (cs.SI)
subject: FOS: Computer and information sciences
subject: J.4; J.5; H.1.2

description: Musicologists and sociologists have long been interested in patterns of music consumption and their relation to socioeconomic status. In particular, the Omnivore Thesis examines the relationship between these variables and the diversity of music a person consumes. Using data from social media users of Last.fm and Twitter, we design and evaluate a measure that reasonably captures diversity of musical tastes. We use that measure to explore associations between musical diversity and variables that capture socioeconomic status, demographics, and personal traits such as openness and degree of interest in music (into-ness). Our musical diversity measure can provide a useful means for studies of musical preferences and consumption. Also, our study of the Omnivore Thesis provides insights that extend previous survey and interview-based studies.
description: 10 pages, 1 figure, 2 tables, Accepted to the 10th International AAAI Conference on Web and Social Media, ICWSM'16
Übersicht der von Oktober 1890 bis Oktober 1891 erschienenen Beiträge und Materialien zur Geschichte von Stadt und Kanton Zürich
Creators: name: (:Unkn) Unknown
Publisher: name: S. Höhr
Year: 1892
Subjects: subject: 010 Bibliografie
subject: Kanton Zürich
subject: Zürich
subject: Bibliografie
subject: Geschichte
subject: Landeskunde
subject: Volkskunde

description: Aus dem Zürcher Taschenbuch auf das Jahr 1892.
Screen Printed n-Type Silicon Solar Cells for Industrial Application
Creators: name: Mihailetchi, V.D.
name: Jourdan, J.
name: Edler, A.
name: Kopecek, R.
name: Harney, R.
name: Stichtenoth, D.
name: Lossen, J.
name: Böscke, T.
name: Krokoszinski, H.-J.
Publisher: name: WIP-Munich
Year: 2010
Subjects: Wafer-Based Silicon Solar Cells and Materials Technology
Mono- and Multicrystalline Silicon Materials and Cells

description: 25th European Photovoltaic Solar Energy Conference and Exhibition / 5th World Conference on Photovoltaic Energy Conversion, 6-10 September 2010, Valencia, Spain; 1446-1448
description: The rapid fall in module prices demands researchers to come up with substantial efficiency
improvement and cost reductions in the solar cell and module processes. This paper presents a solar cell
development on n-type Cz-Si substrates with homogeneous diffusion of boron emitter and phosphorous backsurface-
field. The resulting solar cell is bifacial and it is fabricated using only industrial compatible techniques.
The best achieved solar cell efficiency, using a screen printed and firing through metallization, on 241 cm2 (total
area) wafers is 18.6%. Moreover, we present a new method to passivate boron emitters which substantially
reduces surface recombination resulting in improved VOC of the cells. We show that internal quantum efficiencies
of these n-type cells when illuminated from the front- and from the back side are identical when good quality Cz-
Si substrates are used in the fabrication.
Übersicht der vom Oktober 1888 bis Oktober 1889 erschienenen Beiträge und Materialien zur Geschichte von Stadt und Kanton Zürich
Creators: name: (:Unkn) Unknown
Publisher: name: S. Höhr
Year: 1890
Subjects: subject: 010 Bibliografie
subject: Kanton Zürich
subject: Zürich
subject: Bibliografie
subject: Geschichte
subject: Landeskunde
subject: Volkskunde

description: Aus dem Zürcher Taschenbuch auf das Jahr 1890.
Dynamics of interlacing peakons (and shockpeakons) in the Geng-Xue equation
Creators: name: Lundmark, Hans
name: Szmigielski, Jacek
Publisher: name: arXiv
Year: 2016
Subjects: subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences

description: We consider multipeakon solutions, and to some extent also multishockpeakon solutions, of a coupled two-component integrable PDE found by Geng and Xue as a generalization of Novikov's cubically nonlinear Camassa-Holm type equation. In order to make sense of such solutions, we find it necessary to assume that there are no overlaps, meaning that a peakon or shockpeakon in one component is not allowed to occupy the same position as a peakon or shockpeakon in the other component. Therefore one can distinguish many inequivalent configurations, depending on the order in which the peakons or shockpeakons in the two components appear relative to each other. Here we are in particular interested in the case of interlacing peakon solutions, where the peakons alternatingly occur in one component and in the other. Based on explicit expressions for these solutions in terms of elementary functions, we describe the general features of the dynamics, and in particular the asymptotic large-time behaviour. As far as the positions are concerned, interlacing Geng-Xue peakons display the usual scattering phenomenon where the peakons asymptotically travel with constant velocities, which are all distinct, except that the two fastest peakons will have the same velocity. However, in contrast to many other peakon equations, the amplitudes of the peakons will not in general tend to constant values; instead they grow or decay exponentially. Thus the logarithms of the amplitudes (as functions of time) will asymptotically behave like straight lines, and comparing these lines for large positive and negative times, one observes phase shifts similar to those seen for the positions of the peakons. In addition to these K+K interlacing pure peakon solutions, we also investigate 1+1 shockpeakon solutions, and collisions leading to shock formation in a 2+2 peakon-antipeakon solution.
description: 59 pages, 6 figures. pdfLaTeX + AMS packages + hyperref + TikZ. Changes in v2: minor typos corrected, reference list updated and enhanced with hyperlinks
A handy easy-to-use manual for stakeholders and practitioners of the climate service tool. PART III: the durum wheat/pasta sector
Creators: name: Manstretta, Valentina
name: Ceglar, Andrej
name: C. Monotti
name: C. Giannakopoulos,
name: M. Gratsea
name: Calmanti, Sandro
Publisher: name: Zenodo
Year: 2021

description: A manual for the climate tools developed for the durum wheat sector
Giant Clumps in Simulated High-z Galaxies: Properties, Evolution and Dependence on Feedback
Creators: name: Mandelker, Nir
name: Dekel, Avishai
name: Ceverino, Daniel
name: DeGraf, Colin
name: Guo, Yicheng
name: Primack, Joel
Publisher: name: arXiv
Year: 2015
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We study the evolution of giant clumps in high-z disc galaxies using AMR cosmological simulations at redshifts z=6-1. Our sample consists of 34 galaxies, of halo masses 10^{11}-10^{12}M_s at z=2, run with and without radiation pressure (RP) feedback from young stars. While RP has little effect on the sizes and global stability of discs, it reduces the amount of star-forming gas by a factor of ~2, leading to a decrease in stellar mass by a similar factor by z~2. Both samples undergo violent disc instability (VDI) and form giant clumps of masses 10^7-10^9M_s at a similar rate, though RP significantly reduces the number of long-lived clumps. When RP is (not) included, clumps with circular velocity <40(20)km/s, baryonic surface density <200(100)M_s/pc^2 and baryonic mass <10^{8.2}(10^{7.3})M_s are short-lived, disrupted in a few free-fall times. The more massive and dense clumps survive and migrate toward the disc centre over a few disc orbital times. In the RP simulations, the distribution of clump masses and star-formation rates (SFRs) normalized to their host disc is very similar at all redshifts. They exhibit a truncated power-law with a slope slightly shallower than -2. Short-lived clumps preferentially have young stellar ages, low masses, high gas fractions and specific SFRs (sSFR), and they tend to populate the outer disc. The sSFR of massive, long-lived clumps declines with age as they migrate towards the disc centre, producing gradients in mass, stellar age, gas fraction, sSFR and metallicity that distinguish them from short-lived clumps. Ex situ mergers make up ~37% of the mass in clumps and ~29% of the SFR. They are more massive and with older stellar ages than the in situ clumps, especially near the disc edge. Roughly half the galaxies at redshifts z=4-1 are clumpy over a wide range of stellar mass, with clumps accounting for ~3-30% of the SFR but ~0.1-3% of the stellar mass.
description: Accepted to MNRAS. Updated measurements of outflows from clumps and new study of clump virial parameters. Other small changes
Silicon Heterojunction Solar Cell Development with PRiMELiNE HJT Platform at Roth & Rau
Creators: name: Citarella, G.
name: Grimm, M.
name: Schmidbauer, S.
name: Ahn, K.H.
name: Erdmann, M.
name: Schulze, T.
name: Plettig, M.
name: Gruber, B.
name: Hausmann, J.
name: Böhme, R.
name: Stein, W.
name: Müller, D.
name: Weinke, M.
name: Winkler, S.
name: Zerres, T.
name: Vetter, E.
name: Bätzner, D.
name: Strahm, B.
name: Lachenal, D.
name: Wahli, G.
name: Wuensch, F.
name: Papet, P.
name: Andrault, Y.
name: Guerin, C.
name: Buechel, A.
name: Rau, B.
Publisher: name: WIP
Year: 2011
Subjects: Wafer-based Silicon Solar Cells and Materials Technology
Silicon Solar Cell Improvements

description: 26th European Photovoltaic Solar Energy Conference and Exhibition; 865-870
description: The interest in heterojunction (HJ) solar cells made with a crystalline silicon (c-Si) absorber and doped
hydrogenated amorphous silicon (a-Si:H) layers as emitter and back surface field is growing, lately mainly in
expanding further this cell technology in mass production. This technology is very convenient because it is suited for
high efficiency solar cell concepts. The advantage of HJ technology is a low temperature process and convenient
production costs because long thermal processes are replaced with fast low temperature plasma deposition processes.
HJ technology is also promising for future applications on very thin wafers or c-Si foils: in this case the standard
technology which is so far in mass production is not at all applicable, and novel technologies based on thermal
processes would be problematic as well. Excellent results with HJ have been achieved in a research line at Roth&Rau
(R&R) in Neuchatel/Switzerland, and the same process has been transferred very fast and successfully in a pilot line
with production tools with a standard industrial throughput of 2400 Wafers/hour at R&R in Hohenstein/Germany.
Efficiency of 21,5% have been achieved on small cells, and over 20% also on Cz c-Si wafers of 5 and 6 inch size.
Module encapsulation is also at a very advanced state.
Fast Radio Bursts as Probes of Magnetic Fields in the Intergalactic Medium
Creators: name: Akahori, Takuya
name: Ryu, Dongsu
name: Gaensler, B. M.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We examine the proposal that the dispersion measures (DMs) and Faraday rotation measures (RMs) of extragalactic linearly-polarized fast radio bursts (FRBs) can be used to probe the intergalactic magnetic field (IGMF) in filaments of galaxies. The DM through the cosmic web is dominated by contributions from the warm-hot intergalactic medium (WHIM) in filaments and from the gas in voids. On the other hand, RM is induced mostly by the hot medium in galaxy clusters, and only a fraction of it is produced in the WHIM. We show that if one excludes FRBs whose sightlines pass through galaxy clusters, the line-of-sight strength of the IGMF in filaments, $B_{||}$, is approximately $C(\langle 1+z \rangle/f_{DM})(RM/DM)$, where $C$ is a known constant. Here, the redshift of the FRB is not required to be known; $f_{DM}$ is the fraction of total DM due to the WHIM, while $\langle 1+z \rangle$ is the redshift of interevening gas weighted by the WHIM gas density, both of which can be evaluated for a given cosmology model solely from the DM of an FRB. Using data on structure formation simulations and a model IGMF, we show that $C(\langle 1+z \rangle/f_{DM})(RM/DM)$ closely reproduces the density-weighted line-of-sight strength of the IGMF in filaments of the large-scale structure.
description: to appear in ApJ
title: Interaktive Landkarten als ein Lernwerkzeug zur ethischen Exploration und Reflexion in Konstruktionsprozessen
Creators: name: Lucke, Ulrike
name: Köhler, Thomas
name: Assadi, Galia
name: Moebert, Tobias
name: Müller, Ina
name: Kranz, Johannes
name: Viehöver, Wilhelm
name: Böschen, Stefan
name: Manzeschke, Arne
Publisher: name: Gesellschaft für Informatik e.V.
Year: 2022
Subjects: subject: Digitalisierung
subject: Komplexität
subject: Ethik
subject: Bildung

description: Im Zuge der Digitalisierung entstehen stetig neue sozio-technische Arrangements. Oft wohnt diesen eine Komplexität inne, die fortlaufend neue ethische Orientierungsbedarfe generiert. Der Beitrag stellt ein Werkzeug vor, das die damit verbundenen fach- und mediendidaktischen Fragestellungen in eine interaktive Online-Lernanwendung übersetzt. Dafür werden sog. ethische Landkarten als Kernelement von Exploration und Reflexion eingesetzt. Abschließend werden Rahmenbedingungen und Handlungsbedarfe im Feld der ethischen Orientierung benannt.
Deposition of Amorphous Silicon Films by Gas Flow Sputtering (GFS)
Creators: name: Mahrholz, J.
name: Shikolenko, S.
name: Szyszka, B.
name: Jung, T.
Publisher: name: WIP-Munich
Year: 2009
Subjects: Thin Films Solar Cells
Amorphous and Microcrystalline Silicon Solar Cells

description: 24th European Photovoltaic Solar Energy Conference, 21-25 September 2009, Hamburg, Germany; 2879-2883
description: The objective of this work was the development of a high rate and low temperature up-scaled
deposition process of semi conductive a-Si:H thin films for solar cell application. The investigations were done with
a gas flow sputter source basing on the hollow cathode effect. For reduced ion bombardment defects of a-Si:H films
during growth a permanent magnetic shielding was applied and in its effectiveness confirmed. A wide range and
complex parameter field was studied by variation of pressure, power, frequency, gas composition and temperature.
Film characterization was executed by FTIR, SIMS, XRD, SEM and photo conductivity measurements. The results
are very promising and confirm that large area coating on a 150-500 mm scale with GFS technology seams readily
available. High deposition rates in the range of 4.5 nm/s or 21 nm*m/min were demonstrated and first light-to-dark
photo conductivities giving values of some 103. Typical films were smooth and structure less consisting of nano
crystals in a size of 1-2 nm embedded in an amorphous silicon matrix. Nevertheless there are some challenges
concerning especially the improvement of semi conductive quality of a-Si:H films, e.g. by decreasing the content of
parasitic elements and of clustered/poly-hydride Si:H structures. Besides there is need of fine adjustment on ion
energy.
Diffusion-Free High Efficiency Silicon Solar Cells
Creators: name: Prajapati, V.
name: John, J.
name: Janssens, T.
name: Poortmans, J.
name: Mertens, R.
Publisher: name: WIP
Year: 2011
Subjects: Wafer-based Silicon Solar Cells and Materials Technology
Silicon Solar Cell Improvements

description: 26th European Photovoltaic Solar Energy Conference and Exhibition; 835-838
description: The focus of this paper is replacing traditional POCl3 diffusion with an implant and rapid thermal
annealing step for the fabrication of p-type PERC silicon solar cells. A rear-side passivated p-type wafer is implanted
with phosphorus which creates an inactive amorphous layer and a region of silicon full of interstitials and vacancies.
The front side is then passivated using a PECVD SiNxHy. The wafer is placed in a firing furnace in order to achieve
dopant activation. The hydrogen rich silicon nitride releases hydrogen which is diffused into the Si, the defect rich
amorphous front side is immediately passivated by the readily available hydrogen, all the while, dopants are
introduced into the lattice and become electrically active. It is shown in this paper that the combination of this
particular process flow leads to an efficient Si solar cell. Cell results are on 160μm thick, 148.25 cm2 Cz Si wafers
using the proposed traditional diffusion-free process flow are up to 18.8% with a Voc of 638mV, Jsc of 38.5 mA/cm2
and a fill factor of 76.6%
title: THESIS DESIGNER - Eine Webanwendung zur Unterstützung von Abschlussarbeiten
Creators: name: Di Maria, Marco
name: Walter, David
name: Knackstedt, Ralf
Publisher: name: Gesellschaft für Informatik e.V.
Year: 2022
Subjects: subject: Abschlussarbeiten
subject: Digitale Lehre
subject: Werkzeugunterstützung
subject: Hybride Lehre

description: In diesem Beitrag stellen wir eine prototypische Webanwendung vor, die Studierende bei der Konzeption von Abschlussarbeiten unterstützt. Ergebnisse aus ersten Evaluationen zeigen, dass Studierende mithilfe der Anwendung vollständig digital und selbstständig Konzepte für Abschlussarbeiten entwickeln können. Die Anwendung scheint Potenzial als nützliches Werkzeug für die Unterstützung von Abschlussarbeiten in der Wirtschaftsinformatik und weiteren Disziplinen zu besitzen.