bluuebunny/crossref_metadata_2025_split huggingface dataset:
The role of Zn and Ru substitution on the structural, magnetic and dielectric properties of ferrite cuprospinels
Authors: Roy-Chowdhury Mouli , Jena Suchit Kumar , Khadse Vedant Pramod , Joshi Deep Chandra , Thota Subhash 
Published: May 2023

Abstract
A comprehensive study on the structural, magnetic and dielectric behavior of ferrite cuprospinels with site specific substitution of non-magnetic Zn and weakly magnetic Ru ions has been presented. Such substitution leads to two classes of stable crystal symmetries, (i) tetragonal (I41/amd): CuFe1.95Ru0.05O4 and Cu0.95Zn0.05Fe1.95Ru0.05O4 and (ii) cubic (Fd-3m):Cu0.60Zn0.40Fe1.95Ru0.05O4 and Cu0.05Zn0.95Fe1.95Ru0.05O4 bulk polycrystals. The former set of compounds undergo significant Jahn-Teller (JT) distortion due to high Cu content and such distortion gets lifted with the substitution of non-magnetic Zn ions. Ferrimagnetic (FiM) behavior is predominant in all these compounds except the highest Zn (95 at.%) content cubic system with diluted substitution of Ru (2.5 at.%) which exhibits antiferromagnetic ordering below the Néel temperature (T

N
∼ 10.9 K). We employed Néel’s expression for FiM systems applicable for the two sublattice model to extract the dominant exchange interactions (J

AA
, J

AB
and J

BB
) between the A-site and B-site cations. Subsequently the high temperature (300 K

⩽

T

⩽

900 K) inverse paramagnetic susceptibility data has been fitted to the above expression which yields dominant

J

A
A

/

k

B

∼ 391 K with very high asymptotic Curie temperature for the tetragonally distorted dilute Zn substituted cuprospinel, while the Zn-rich cubic system exhibits

J

A
A

/

k

B

∼ 300 K. On the other hand, the tetragonally distorted spinel devoid of Zn exhibits dominant

J

B
B

/

k

B

∼ 229 K with negligible

J

A
A

/

k

B

and moderate

J

A
B

/

k

B

(65 K) signifying that the JT active ions cause the onset of magnetic frustration and enhanced ordering temperatures. All the investigated systems exhibit significant magneto-crystalline anisotropy with a maximum anisotropy field H

K
∼ 6 kOe and maximum anisotropy constant (K
1 ∼ 10.88×105 erg cm−3). The broadband dielectric spectroscopy studies reveal significant enhancement of mid-frequency dielectric constant ε

R
(f, T) with plateau-like feature over a wide temperature and frequency window, together with low-loss as a result of the incorporation of Ru ions into the tetragonally distorted spinel lattice. The ac resistivity ρ(f, T) studies reveal that the mode of conduction follows Mott’s variable-range hopping (VRH) model with a linear logarithmic variation of ρ

ac
versus T
−0.25. The temperature dependence of the VRH activation energy of charge carriers follows a linear behavior which indicates the presence of localized polaron in all the investigated systems.
Denatured recognition of biological tissue based on multi-scale phase weighted-permutation entropy during HIFU treatment
Authors: Liu Bei , Qian Shengyou , Zhang Xian 
Published: May 2023

Abstract
In the course of high-intensity focused ultrasound (HIFU) treatment, the capacity to precisely recognize biological tissue that has been denatured is crucial to ensuring the security and availability of HIFU treatment. Multi-scale permutation entropy (MPE) and its variant multi-scale weighted-permutation entropy (MWPE), as common methods to measure the complexity of nonlinear time series, are often used to recognize denatured biological tissue during HIFU treatment. In order to improve the inevitable disadvantages of MPE and MWPE in some cases, a new complexity method called multi-scale phase weighted-permutation entropy (MPWPE) is put forward. The proposed MPWPE improves MPE and MWPE by adding phase information through the Hilbert transform. The simulated analysis result indicates that the MPWPE can detect more dynamic changes in the synthetic signal compared with MPE and MWPE. Finally, based on the key MPWPE feature extraction algorithm, a novel intelligent biological tissue denatured recognition technology combined with the classifier is proposed. The actual HIFU echo signals of biological tissues are employed to verify the effectiveness of the proposed method. The results show that compared with MPE and MWPE, the MPWPE features can distinguish non-denatured and denatured tissues at multi scales with better performance and achieve higher recognition accuracy.
Automatic pixel-level detection of tire defects based on a lightweight Transformer architecture
Authors: Sun Yingwei , Liu Xiyu , Zhai Xiaodi , Sun Kuizhi , Zhao Mengmeng , Chang Yankang , Zhang Yan 
Published: May 2023

Abstract
Efficient and accurate visual inspection of products is of great significance for intelligent manufacturing. In this paper, a visual inspection framework based on a lightweight Transformer is proposed for the pixel-level inspection of tire defects. A dual-path-Transformer feature encoder was proposed based on a hybrid architecture of convolutional neural network and Transformer, which is used to learn the local and global relationship of defect features. Moreover, multi-scale fusion Transformer (MFT) and spatial cross Transformer (SCT) were proposed, based on which a feature decoder was built. In the decoder, the MFT provides valuable spatial information for SCT, such that different levels of feature maps can refine the dependency of pixels through SCT. The proposed method is tested on the tire radiographic image dataset. Experimental results show that the proposed method reaches a detection accuracy of 98.57% and mIoU of 85.56%. Moreover, the method achieves the balance between accuracy and efficiency with satisfactory characterization ability for the defect geometric shape, and provides theoretical support for the future industrial deployment of Transformer.
Stable and reliable IGZO resistive switching device with HfAlO
x
interfacial layer
Authors: Peng Huiren , Liu Hongjun , Ma Xuhang , Cheng Xing 
Published: May 2023

Abstract
The performance stability of the resistive switching (RS) is vital for a resistive random-access memory device. Here, by inserting a thin HfAlO
x
layer between the InGaZnO (IGZO) layer and the bottom Pt electrode, the RS performance in amorphous IGZO memory device is significantly improved. Comparing with a typical metal-insulator-metal structure, the device with HfAlO
x
layer exhibits lower switching voltages, faster switching speeds, lower switching energy and lower power consumption. As well, the uniformity of switching voltage and resistance state is also improved. Furthermore, the device with HfAlO
x
layer exhibits long retention time (>104 s at 85 °C) , high on/off ratio and more than 103 cycles of endurance at atmospheric environment. Those substantial improvements in IGZO memory device are attributed to the interface effects with a HfAlO
x
insertion layer. With such layer, the formation and rupture locations of Ag conductive filaments are better regulated and confined, thus an improved performance stability.
Numerical simulations of an integrated radio-frequency/wireless coil design for simultaneous acquisition and wireless transfer of magnetic resonance imaging data
Authors: Overson Devon K , Bresticker Julia , Willey Devin , Robb Fraser , Song Allen W , Truong Trong-Kha , Darnell Dean 
Published: May 2023

Abstract

Objective. A novel magnetic resonance imaging (MRI) radio-frequency (RF) coil design, termed an integrated RF/wireless (iRFW) coil design, can simultaneously perform MRI signal reception and far-field wireless data transfer with the same coil conductors between the coil in the scanner bore and an access point (AP) on the scanner room wall. The objective of this work is to optimize the design inside the scanner bore to provide a link budget between the coil and the AP for the wireless transmission of MRI data. Approach. Electromagnetic simulations were performed at the Larmor frequency of a 3T scanner and in a WiFi wireless communication band to optimize the radius and position of an iRFW coil located near the head of a human model inside the scanner bore, which were validated by performing both imaging and wireless experiments. Main Results. The simulated iRFW coil with a 40 mm radius positioned near the model forehead provided: a signal-to-noise ratio (SNR) comparable to that of a traditional RF coil with the same radius and position, a power absorbed by the human model within regulatory limits, and a gain pattern in the scanner bore resulting in a link budget of 51.1 dB between the coil and an AP located behind the scanner 3 m from the isocenter, which would be sufficient to wirelessly transfer MRI data acquired with a 16-channel coil array. The SNR, gain pattern, and link budget for initial simulations were validated by experimental measurements in an MRI scanner and anechoic chamber to provide confidence in this methodology. These results show that the iRFW coil design must be optimized within the scanner bore for the wireless transfer of MRI data. Significance. The MRI RF coil array coaxial cable assembly connected to the scanner increases patient setup time, can present a serious burn risk to patients and is an obstacle to the development of the next generation of lightweight, flexible or wearable coil arrays that provide an improved coil sensitivity for imaging. Significantly, the RF coaxial cables and corresponding receive chain electronics can be removed from within the scanner by integrating the iRFW coil design into an array for the wireless transmission of MRI data outside of the bore.
Suppression of anomalous impurity transport in NBI-heated W7-X plasmas
Authors: Romba T. , Reimold F. , Jaspers R.J.E. , Ford O.P. , Vanó L. , Klinger T. 
Published: May 2023

Abstract
Radial impurity density profiles in two Wendelstein 7-X (W7-X) experiments heated by neutral beam injection (NBI) are analyzed with respect to their impurity transport properties. Local impurity densities are derived from charge exchange reactions with the W7-X NBI system using simulated neutral densities cross-validated with beam emission spectroscopy. Impurity profiles of argon and carbon are found to show an evolving central accumulation inside half radius. The properties of the underlying impurity transport are assessed using the one-dimensional transport code pySTRAHL. Comparisons between simulation and experiment indicate transport dominated by anomalous diffusion outside half radius. The observed central impurity accumulation is found to match best simulations with purely (neo-)classical transport in the accumulation region. This data implies a suppression of the anomalous impurity transport channel to below 35% of the (neo-)classical one. Experimental data is found to be matched best when invoking a time evolving, inward propagating zone where anomalous impurity transport is suppressed. An additional central power deposition into a plasma with central impurity accumulation via electron cyclotron resonance heating is found to affect the (neo-)classical transport components in case of operation times below 200 ms only. For longer operation times, it is found to re-introduce an altered level of anomalous diffusion. The existence of an inward directed anomalous pinch as an alternative explanation for the central impurity accumulation cannot explain the observed profiles.
Sustainable strategies for monument protection - A panoramic view of the possibilities and pitfalls
Authors: Kodeboyina Ganesh Babu 
Published: May 2023

Abstract
It is indeed a fact that the rich structural heritage is at the crossroads of extinction either due to the overexploitation of their purported existence for tourism or alternatively due to our abject apathy to their very existence. Apart from this, the prospect of irrevocably losing even the few spattering of monuments that we seem to protect and guard against their degradation through inappropriate, or in some cases highly casual and ill-informed strategies is one aspect that has attracted the attention of the global community in recent years. While, there appears to be an effort to put a system in place to ensure a proper repair and rehabilitation of these monuments, there is still a lack of understanding of the broad principles to ensure an effective yet sustainable maintenance and protection strategy. To start with these ancient monuments can be broadly characterized into few specific categories based on the materials used in their construction. The paper attempts to delineate some of them and look at the tenets to be followed to ensure a sustainable upkeep of these monuments. In doing so, a few examples of the type of problems associated with monuments in the Indian context were also looked into as illustrations.
Effect of application time of NPK fertilizer with a watering system on the growth of macadamia seedlings
Authors: Firdaus N K , Putra S , Heryana N , Rusli  
Published: May 2023

Abstract
The growth of macadamia seedlings takes ± 1 year to become rootstock or planted in the garden. Acceleration of seedling growth can be accelerated through NPK fertilization by a watering system. The advantage of the watering system is easy to apply and the response of the seeds is faster because the fertilizer is immediately absorbed by the roots and leaves. The study aimed to determine the application time of NPK fertilization with the best watering system for the growth of macadamia seedlings. The experiment was carried out in a greenhouse at Indonesian Industrial and Beverages Crops Research Institutes(IIBCRI) Sukabumi Regency West Java, from September 2020 to February 2021. The study was conducted by a randomized block design with 5 treatments (application times of NPK fertilizer by watering). Types of treatments are : (P1) once a week, (P2) every 2 weeks, (P3) every 3 weeks, (P4) 4 weeks, and (P0) watering without fertilizer once a week. The experimental results showed that watering NPK fertilizer intervals of 2 weeks were the best treatment for the growth of macadamia seedlings with a height of up to 16 cm, a number of leaves (13.2) strands, root length of 19.82 cm, and dry weight, a total of 8.01 and a root-shoot ratio of 3.77. The dose and application time of NPK fertilizer can be used as information for effective and efficient fertilization so that it can be recommended as balanced fertilization to support sustainable agriculture.
Selection of chili pepper hybrid variety candidate (Capsicum annuum L.) based upon flower characteristics
Authors: Kirana R , Handayani T , Harmanto  , Anwarudin M J 
Published: May 2023

Abstract
Flower is an important plant organ which can be one of the criteria for selecting new superior varieties. This study aimed at selecting the superiority candidates of new hybrid variety based upon the flower characteristics. The research was conducted in the screen house of IVEGRI Research Station from February to April 2022. The treatment consisted of 30 hybrid variety candidates and 6 hybrid parents. Observations were performed on 15 flower characters according to the descriptors for Capsicum spp. Data were analyzed using analysis of variance, followed by Scott Knott’s post hoc test and heterosis value. The results of the analysis of variance showed that of the 15 flower characters, there were 7 characters that varied between treatments. Meanwhile, the post hoc test showed that only days to flowering, corolla length and anther colour had significant differences. Five candidates for early flowering hybrid varieties were selected, namely 1x5, 2x1, 4x5, 5x2, and 6x2. The heterosis value of the five selected varieties showed that they flowered 8-19% faster than their parents with a range of flowering days from 43 to 46 days after planting. Thus, they can be recommended as the candidates for the varieties of early-flowering chili hybrid. This result indicated that days of flowering can be used as a criterion to select the superiority of new varieties. However, days of flowering as selection criteria must be combined with superiority in the characteristics of high yield, resistance to pests and diseases and consumer preferences.
Cabbage pest population in the uninterrupted cultivation seasons
Authors: Murtiningsih R , Prabaningrum L , Aprianto F , Prathama M , Hudayya A , Hermanto C 
Published: May 2023

Abstract
The current research aimed to gather information of pests’ population in cabbage crops that were cultivated using the organic and conventional farming system in three consecutive months. Cabbages were planted every month for 3 consecutive months from March to May 2020 in the Margahayu Research Station, Lembang, West Java and the pests’ population was observed throughout the time of plant growth. Data shows the fluctuation of cabbage pests’ population including Plutella sp., Spodoptera sp, and Myzus sp. during those three planting seasons. The findings are particularly important in deciding effective control techniques to use and determining the right time to apply those control techniques.
Effect of Adsorbent from Activated Rice Husk Charcoal on The Characteristics of Crude Palm Oil (CPO); A Preliminary Study
Authors: Joni Munarso S , Mulyawanti I 
Published: May 2023

Abstract
The quality of crude palm oil (CPO) needs to be considered to ensure the food safety of further processed products. Several characteristics of CPO such as water content, free fatty acids, Cl, and Fe are known to be precursors for the formation of toxic compounds such as 3-Mono Chloro-1,2-Propane-Diol (MCPD) in further processed products. A study was conducted to determine the effect of activated rice husk charcoal used as an adsorbent in improving the quality of CPO. The activation process includes immersion in potassium hydroxide and sodium chloride solutions, washing to neutral pH (pH 7), filtering, and burning using a furnace at 300°C for 2 hours. The activated husk charcoal was then reduced its size into 100 mesh. The activated husk charcoal was then applied to CPO by adding 1% to the CPO, then heated until it reaches temperature of 50 and 60°C followed by stirring for 30 and 60 minutes, then deposited for 10 minutes before it was filtered. The results showed that the adsorbent obtained through the activation process using potassium hydroxide with a contact time of 60 minutes on CPO could reduce free fatty acids up to 21.87%, Fe 31.97%, moisture content 96,3% and Cl 91.15%. The application of activated husk charcoal on CPO also showed a significant effect on the water content, viscosity, and color of CPO. These results can be used as an alternative treatment for handling CPO in reducing the formation of toxic compounds such as 3-MCPD in CPO-derived food products.
Model of settlement of the crime of economic exploitation against children through a humanist approach
Authors: Ferawati F 
Published: May 2023

Abstract
Cases of economic exploitation of children by parents continue to increase. Various methods have been used by the government and law enforcement officials, including issuing regulations that provide legal protection for children, including criminal sanctions for perpetrators of exploitation. However, these efforts have not overcome cases of exploitation of children, for this reason a comprehensive approach is needed to solve this problem. The aim of this research is to provide solutions to overcome cases of economic exploitation of children through a humane approach, sanctions not only in the form of imprisonment but adjusted with the cause of the exploitation. So that efforts to resolve cases of exploitation of children do not only focus on giving punishment to the perpetrators but also provide solutions to the economic problems of the parties. This research can be grouped into observational research by way of a survey using interview data. While the nature of this research is descriptive research that aims to provide a detailed and clear description of the problem to be studied. The results of this study can be used as a basis for legal construction in resolving cases of economic exploitation of children that occur in Indonesia.
The urgency to strengthen blue carbon ecosystem settings based on theory law development to use to realize sustainable development in Indonesia
Authors: Susanti H , Yanti E 
Published: May 2023

Abstract
The purpose of this study is first, to find out how the blue carbon ecosystem is currently regulated in Indonesia and secondly to find out how urgent it is to strengthen the regulation of blue carbon ecosystems in Indonesia to realize sustainable development in Indonesia. The research method used in this research is a normative juridical research method, the problem approach used in this writing is through the approach of various laws and regulations (statute approach). There are already several regulations that regulate good blue carbon ecosystems in the constitution and various laws and regulations, including Law Number 32 of 2009 concerning Environmental Protection and Management and Law Number 41 of 1999 concerning Forestry. In addition, it includes Law Number 32 of 2014 concerning Marine Affairs and Law Number 27 of 2007 concerning the Management of Coastal Areas and Small Islands as well as various other laws and regulations. However, there are still many areas that have not made regional regulations to protect mangrove areas, so the blue carbon ecosystem has not been optimally maintained. It is very necessary to establish regulations strictly to protect blue carbon ecosystems both from laws and regulations, as well as derivative regulations used to protect the use of blue carbon ecosystems to achieve sustainable development in Indonesia.
Small amplitude dust acoustic solitary waves in a magnetized dusty plasma with nonthermal distribution for both electrons and ions
Authors: Kian Rasool Barazandeh , Mahdieh Mohammad Hossein 
Published: May 2023

Abstract
The propagation of dust acoustic solitary waves (DASWs) has been investigated in a magnetized dusty plasma consisting of negatively charged dust particles, nonthermal ions and nonthermal electrons. Using reductive perturbation method, the Korteweg-de-Vries (K-dV) equation is derived. It is found that the basic structures (such as polarity, amplitude, width) of DASWs are influenced by nonthermal ions and nonthermal electrons. The results show that both compressive and rarefactive DASWs exist in such dusty plasma. It is observed that by increasing the nonthermality parameter of ions and electrons, the nonlinear wave phase velocity increases. Furthermore, nonthermal distributed ions have more effect on the nonlinear wave phase velocity of the DASWs than nonthermal distributed electrons. The dependence of the angle that the external magnetic field makes with the propagation direction of wave on the amplitude and width of DASWs has been also investigated. It was concluded that this angle strongly affects the DASWs. Finally, the effect of the magnetic field appears only in the width and not in the amplitude of the DASWs. The findings of this study can be helpful in understanding the structures of DASWs in the dusty plasma in which both nonthermal ions and nonthermal electrons exist. Such structures can be found in different regions of space and astrophysics mediums such as the upper ionosphere and Saturn’s E-ring.