cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.5286/isis.e.rb2420173-1
title: Local structure of complex half-Heusler thermoelectrics with low thermal conductivity

description: The aim of the proposal is to use total scattering and pair distribution function analysis to study the local structure of three novel half-Heusler materials. These are rapidly quenched and slow-cooled Nb5/6CoSb with intrinsic vacancies and Zn0.5Ti0.5NiSb. In the former system heat treatment affects the short range clustering of Nb vacancies and leads to substantial differences in thermal conductivity. The latter system has an an intrinsically low thermal conductivity, despite the absence of mass or strain disorder. Large box Reverse Monte Carlo simulations will be used to determine the real-space structure of these materials. Improved knowledge of the structure is of vital importance to understand the measured low thermal conductivity in these materials systems.
DOI: 10.5286/isis.e.rb2510294
title: Muon Spin Relaxation Study of Magnetism in Quasi-1D Heavy Fermion Antiferromagnet Ce3TiAs5

description: Very recently Ce3TiAs5 was successfully synthesized under high-pressure, and was found to exhibit heavy fermion behaviour with a hexagonal structure (space group of P63/mcm) consisting of zig-zag chains of Ce atoms along the c-axis. Magnetic susceptibility, electrical resistivity and heat capacity data clearly show anomalies associated with a magnetic phase transition of antiferromagnetic nature at TN = 13 K, which was also supported through the observation of a metamagnetic transition in M vs H at 0.7 T at 2 K. The electrical resistivity reflects the Kondo lattice behaviour and the low temperature heat capacity reveals an enhanced Sommerfeld coefficient characterizing Ce3TiAs5 as a Kondo lattice heavy fermion system. Further investigations using the microscopic muon spin relaxation measurements would be very useful to understand the magnetic ordering and spin dynamics in Ce3TiAs5. We therefore propose to carry out µSR measurements on Ce3TiAs5 using the μSR spectrometer EMU.
DOI: 10.5286/isis.e.rb2510294-1
title: Muon Spin Relaxation Study of Magnetism in Quasi-1D Heavy Fermion Antiferromagnet Ce3TiAs5

description: Very recently Ce3TiAs5 was successfully synthesized under high-pressure, and was found to exhibit heavy fermion behaviour with a hexagonal structure (space group of P63/mcm) consisting of zig-zag chains of Ce atoms along the c-axis. Magnetic susceptibility, electrical resistivity and heat capacity data clearly show anomalies associated with a magnetic phase transition of antiferromagnetic nature at TN = 13 K, which was also supported through the observation of a metamagnetic transition in M vs H at 0.7 T at 2 K. The electrical resistivity reflects the Kondo lattice behaviour and the low temperature heat capacity reveals an enhanced Sommerfeld coefficient characterizing Ce3TiAs5 as a Kondo lattice heavy fermion system. Further investigations using the microscopic muon spin relaxation measurements would be very useful to understand the magnetic ordering and spin dynamics in Ce3TiAs5. We therefore propose to carry out µSR measurements on Ce3TiAs5 using the μSR spectrometer EMU.
DOI: 10.3535/4q3-ctq-jns
title: Galium uliginosum L.

description: Digital Specimen for the physical specimen hosted at Botanic Garden and Botanical Museum Berlin.
DOI: 10.3535/fv3-nns-7yg
title: Galium boreale L.

description: Digital Specimen for the physical specimen hosted at Botanic Garden and Botanical Museum Berlin.
DOI: 10.5286/isis.e.rb2420173
title: Local structure of complex half-Heusler thermoelectrics with low thermal conductivity

description: The aim of the proposal is to use total scattering and pair distribution function analysis to study the local structure of three novel half-Heusler materials. These are rapidly quenched and slow-cooled Nb5/6CoSb with intrinsic vacancies and Zn0.5Ti0.5NiSb. In the former system heat treatment affects the short range clustering of Nb vacancies and leads to substantial differences in thermal conductivity. The latter system has an an intrinsically low thermal conductivity, despite the absence of mass or strain disorder. Large box Reverse Monte Carlo simulations will be used to determine the real-space structure of these materials. Improved knowledge of the structure is of vital importance to understand the measured low thermal conductivity in these materials systems.
DOI: 10.5286/isis.e.rb2510660-1
title: Pressure-induced softening in Cu2O

description: Recently, we have suggested that negative thermal expansion materials may also exhibit pressure-induced softening, where the elastic stiffness is anomalously reduced under compression. We propose to investigate whether Cu2O, a well-known NTE material, shows this effect, specifically focusing on whether B', the pressure derivative of bulk modulus, becomes negative. We expect that the value of B' in Cu2O will exhibit an interesting change from negative to positive due to its narrower NTE temperature range. Using neutron powder diffraction, we will perform measurements across different pressures and temperatures to characterize this effect. The experiment will be conducted using the normal setup Paris-Edinburgh V3 press with liquid nitrogen cooling at the PEARL diffractometer.
DOI: 10.5286/isis.e.rb2590014-1
title: RT structure of double doped Nasicon samples
DOI: 10.3535/v1c-rvj-478
title: Sambucus ebulus L.

description: Digital Specimen for the physical specimen hosted at Botanic Garden and Botanical Museum Berlin.
DOI: 10.3535/yvk-awn-14s
title: Veronica L.

description: Digital Specimen for the physical specimen hosted at Botanic Garden and Botanical Museum Berlin.
DOI: 10.5286/isis.e.rb2420426
title: Oxide ion conductivity in a geometric ferroelectric

description: Lanthanum tantalate, LaTaO4, is one of the few oxide examples of an n = 2 member of the Carpy-Galy phases of general formula AnBnX3n+2. These are 2-dimensional perovskite-related materials where the perovskite network disrupted by introducing ‘excess’ anions resulting in the formation of perovskite layers n-octahedra deep. LaTaO4 is unusual in that on heating it successively transforms from non-polar monoclinic to incommensurate polar orthorhombic at ca. 440 K to commensurate polar orthorhombic at 500 K. These transitions result from a change in tilting of the octahedral units in the perovskite layers and is therefore an example of a ‘geometric’ ferroelectric. Selective doping with Ce at the La-site and subsequent controlled partial oxidation of Ce (+III) to Ce (+IV) gives rise to interstitial oxide ions in between the perovskite layers and results in oxide ion conductivity. It is proposed that the geometric mechanism of ferroelectricity in this structure should therefore be robust to the presence of these additional charge carriers. The aim of this study is to determine the influence of both Ce(III)-doping and partial oxidation to Ce(IV) on the structural evolution, and stability of the ferroelectric phase, of LaTaO4.
DOI: 10.5286/isis.e.rb2420426-1
title: Oxide ion conductivity in a geometric ferroelectric

description: Lanthanum tantalate, LaTaO4, is one of the few oxide examples of an n = 2 member of the Carpy-Galy phases of general formula AnBnX3n+2. These are 2-dimensional perovskite-related materials where the perovskite network disrupted by introducing ‘excess’ anions resulting in the formation of perovskite layers n-octahedra deep. LaTaO4 is unusual in that on heating it successively transforms from non-polar monoclinic to incommensurate polar orthorhombic at ca. 440 K to commensurate polar orthorhombic at 500 K. These transitions result from a change in tilting of the octahedral units in the perovskite layers and is therefore an example of a ‘geometric’ ferroelectric. Selective doping with Ce at the La-site and subsequent controlled partial oxidation of Ce (+III) to Ce (+IV) gives rise to interstitial oxide ions in between the perovskite layers and results in oxide ion conductivity. It is proposed that the geometric mechanism of ferroelectricity in this structure should therefore be robust to the presence of these additional charge carriers. The aim of this study is to determine the influence of both Ce(III)-doping and partial oxidation to Ce(IV) on the structural evolution, and stability of the ferroelectric phase, of LaTaO4.
DOI: 10.5286/isis.e.rb2510660
title: Pressure-induced softening in Cu2O

description: Recently, we have suggested that negative thermal expansion materials may also exhibit pressure-induced softening, where the elastic stiffness is anomalously reduced under compression. We propose to investigate whether Cu2O, a well-known NTE material, shows this effect, specifically focusing on whether B', the pressure derivative of bulk modulus, becomes negative. We expect that the value of B' in Cu2O will exhibit an interesting change from negative to positive due to its narrower NTE temperature range. Using neutron powder diffraction, we will perform measurements across different pressures and temperatures to characterize this effect. The experiment will be conducted using the normal setup Paris-Edinburgh V3 press with liquid nitrogen cooling at the PEARL diffractometer.
DOI: 10.3535/4d2-tm5-ten
title: Euphrasia officinalis L.

description: Digital Specimen for the physical specimen hosted at Botanic Garden and Botanical Museum Berlin.
DOI: 10.3535/gwg-n8b-h46
title: Galium verum L.

description: Digital Specimen for the physical specimen hosted at Botanic Garden and Botanical Museum Berlin.
DOI: 10.5286/isis.e.rb2400037-1
title: Interaction Mechanism of the LA27 Aptamer with the Endotoxins of Gram(-) Bacteria

description: Recently, a great interest was addressed to aptamers which have been used in the detection of lipopolysaccharides (LPS), which are complex molecules present in the outer membrane of the external envelope of Gram(-) bacteria. we are focusing on a short aptamer, named LA27 (3′-CGATAGATTGTTGTAAGACAATCTTCC-5′-NH), which has a great binding affinity towards LPS (Kd = 46.2 ± 9.5 nM). Theoretical studies indicate a possible selective affinity to the hydrophobic part of LPS. At the same time, any clear information on the affinity of the LA27 aptamer for LPS molecules deriving from different kinds of Gram(-) bacteria has not been investigated yet.
Previous investigations, through Neutron Reflectometry and Dynamic Light Scattering, proved the capability of this aptamer to bind with LPS extracted from different bacterial strains, particularly, it looks like the aptamer shows an affinity with the lipidic part of the LPSs. So, by exploiting the contrast-matching capabilities of SANS, using hydrogenated and deuterated DPPC as the main component of the membrane-biomimicking lipidic nanoaggregates, to prove the specific interaction of the LA27 aptamer with the hydrophobic part of LPSs.
DOI: 10.5286/isis.e.rb2410387-2
title: Determination of the magnetic structure of TbCu2

description: Recently, we have discovered a long-range magnetic structure with a periodicity of 5.5 nm in TbCu2 with remarkable robustness against strain and size reduction . This long-range magnetic modulation was not present in the NdTbCu2 compound. In short, we believe that the series of RCu2 will be a phenomenal playground to explore the formation of the magnetic superstructures with the potential to pave the way for further studies.
We wish to perform single crystal diffraction in order to resolve the real magnetic structure of TbCu2.The Bragg peak appears at Q=0.1 Å-1, perfectly suited for SANS
DOI: 10.5286/isis.e.rb2455019-5
title: In-Situ Measurement of High Pressure Gaseous Hydrogen Ingression in Metal
DOI: 10.3535/f8j-66t-p1l
title: Polygala vulgaris L.

description: Digital Specimen for the physical specimen hosted at Botanic Garden and Botanical Museum Berlin.
DOI: 10.3535/rxy-xfm-tr8
title: Veronica prostrata L.

description: Digital Specimen for the physical specimen hosted at Botanic Garden and Botanical Museum Berlin.
DOI: 10.5286/isis.e.rb2400037
title: Interaction Mechanism of the LA27 Aptamer with the Endotoxins of Gram(-) Bacteria

description: Recently, a great interest was addressed to aptamers which have been used in the detection of lipopolysaccharides (LPS), which are complex molecules present in the outer membrane of the external envelope of Gram(-) bacteria. we are focusing on a short aptamer, named LA27 (3′-CGATAGATTGTTGTAAGACAATCTTCC-5′-NH), which has a great binding affinity towards LPS (Kd = 46.2 ± 9.5 nM). Theoretical studies indicate a possible selective affinity to the hydrophobic part of LPS. At the same time, any clear information on the affinity of the LA27 aptamer for LPS molecules deriving from different kinds of Gram(-) bacteria has not been investigated yet.
Previous investigations, through Neutron Reflectometry and Dynamic Light Scattering, proved the capability of this aptamer to bind with LPS extracted from different bacterial strains, particularly, it looks like the aptamer shows an affinity with the lipidic part of the LPSs. So, by exploiting the contrast-matching capabilities of SANS, using hydrogenated and deuterated DPPC as the main component of the membrane-biomimicking lipidic nanoaggregates, to prove the specific interaction of the LA27 aptamer with the hydrophobic part of LPSs.
DOI: 10.5286/isis.e.rb2590127
title: Understanding wetting process in distillation membranes
DOI: 10.5286/isis.e.rb2590127-1
title: Understanding wetting process in distillation membranes
DOI: 10.3535/stq-0jh-fjp
title: Plantago major L.

description: Digital Specimen for the physical specimen hosted at Botanic Garden and Botanical Museum Berlin.
DOI: 10.5286/isis.e.rb2270019-3
title: Effects of oxygen distributions to magnetic properties of nanoparticle La2CuO4

description: The long-range magnetic transition temperature of La2CuO4 (LCO) was found to be strongly suppressed by reducing the particle size down to the nanometer scale. We also revealed from our previous muSR study that a clear phase separation into long-range and short-range ordered states appeared in nanoparticle LCO. We suggest that reason of the phase separation was due to the existence of oxygen distributions between the two phases. On the other hand, magnetic properties measured by SQUID on nanoparticle LCO's which were annealed in different atmosphere gas conditions did not show large differences. We are guessing that this unchanged magnetic property is a new possible character of the nano-size effect on LCO. Accordingly, we propose to measure changes in TN of systematically annealed nanoparticle LCO to investigate effects of oxygen distribution to magnetic properties of nanoparticle LCO.
DOI: 10.5286/isis.e.rb2320215-3
title: Pressure-Induced Structural Transitions in Zeolitic Imidazolate Frameworks

description: The structural evolution of ZIFs as a function of CO2 and N2 adsorption/desorption will be investigated using in situ neutron total scattering. ZIFs exhibit conformational and phase transitions that increase the uptake of guest molecules. Phase-to-phase transformations due to pressure and gate-opening (adsorption) and -closing (desorption) have been observed in the short- and long-range structure of ZIF-8 and ZIF-7 at moderate and high pressures. In this study, we will follow the structural transitions of the two ZIFs at different pressures (1.35 – 10 bar) of CO2, N2, and an equimolar CO2/N2 mixture. By using total scattering, we aim to elucidate the interplay between local adsorption phenomena and long-range structure. The mechanistic information obtained from this study will enable the design and development of more effective MOFs for gas adsorption. We also hope to isolate the ideal process conditions for trapping guest molecules and selective adsorption, which are essential to carbon capture, utilisation, and storage technologies.
DOI: 10.5286/isis.e.rb2455019-6
title: In-Situ Measurement of High Pressure Gaseous Hydrogen Ingression in Metal
DOI: 10.21233/n3d21t
title: Keith Bay pollen surface sample dataset

description: Raw data for the Keith Bay pollen surface sample dataset submitted to the Neotoma Paleoecology Database. Data is available through the landing page in JSON format. The landing page referenced by the DOI also contains links to publications and a map-based viewer for the dataset. The Neotoma Paleoecology Database maintains a homepage at https://www.neotomadb.org.
DOI: 10.15468/dl.hq8ycj
title: Occurrence Download

description: A dataset containing 487 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is one of (Crotalus lepidus klauberi Gloyd, 1936)",
 "HasCoordinate is true"
 ]
}

 The dataset includes 487 records from 19 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0071644-240506114902167/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.8smubb
title: Occurrence Download

description: A dataset containing 13 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON((-62.20065 -0.82502,-60.41848 -4.25227,-54.52361 -3.71446,-56.72759 -0.02357,-62.20065 -0.82502))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "InstitutionCode is one of (instituto nacional de pesquisas da amazônia (inpa), mcz, cas, rbins-scientific heritage, smf, smns, fmnh, snsd)",
 "TaxonKey is Symphysodon discus Heckel, 1840"
 ]
}

 The dataset includes 13 records from 7 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0214020-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.0xs30m
title: Occurrence Download

description: A dataset containing 8 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 8 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0010621-160311141623029/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.p2hfjr
title: Occurrence Download

description: A dataset containing 32 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 32 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0013660-190813142620410/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.54j9yq
title: Occurrence Download

description: A dataset containing 18 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON((-69.56368 -22.12383,-59.20206 -22.12383,-59.20206 -7.87028,-69.56368 -7.87028,-69.56368 -22.12383))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "InstitutionCode is one of (aum, snsb-zsm, instituto nacional de pesquisas da amazônia (inpa), mcz)",
 "TaxonKey is Geophagus megasema Heckel, 1840"
 ]
}

 The dataset includes 18 records from 3 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0214201-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.9uasis
title: Occurrence Download

description: A dataset containing 803808497 species occurrences available in GBIF matching the query:
{
 "and" : [
 {
 "or" : [
 "DatasetKey is EOD – eBird Observation Dataset",
 "DatasetKey is Artportalen (Swedish Species Observation System)",
 "DatasetKey is DOF/BirdLife Denmark - Observations from DOFbasen",
 "DatasetKey is Norwegian Species Observation Service",
 "DatasetKey is Ringing and recovery database of birds (TIPU)",
 "DatasetKey is BirdLife Australia, Birdata",
 "DatasetKey is Southern African Bird Atlas Project 2",
 "DatasetKey is Anillamiento SEO_Bird ringing",
 "DatasetKey is Great Backyard Bird Count",
 "DatasetKey is Bird tracking - GPS tracking of Lesser Black-backed Gulls and Herring Gulls breeding at the southern North Sea coast"
 ]
 },
 "TaxonKey is Aves"
 ]
}

 The dataset includes 803808497 records from 10 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0011663-180131172636756/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.5ut7d4
title: Occurrence Download

description: A dataset containing 21 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Pakistan",
 "TaxonKey is Marmota caudata (Geoffroy, 1844)"
 ]
}

 The dataset includes 21 records from 4 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0071645-240506114902167/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.eruoqn
title: Occurrence Download

description: A dataset containing 8 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 8 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0010595-160311141623029/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.cotdac
title: Occurrence Download

description: A dataset containing 32 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 32 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0013686-190813142620410/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.qczdt7
title: Occurrence Download

description: A dataset containing 234 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON((9.53477 -1.57382,9.53477 -1.39844,9.45747 -1.3996,9.45747 -1.25191,9.35708 -1.36267,9.40324 -1.44344,9.35362 -1.50344,9.43208 -1.50228,9.46554 -1.49075,9.51054 -1.57151,9.53477 -1.57382))",
 "IucnRedListCategory is one of (CR, EN, VU, NT, LC, NE)",
 "OccurrenceStatus is Present"
 ]
}

 The dataset includes 234 records from 10 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0038466-231002084531237/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.m3rztm
title: Occurrence Download

description: A dataset containing 8 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 8 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0055635-160910150852091/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.jhifkm
title: Occurrence Download

description: A dataset containing 32 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 32 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0013711-190813142620410/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.