Physica Status Solidi-Rapid Research Letters最新文献

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Performance Recovery of p‐GaN Etch‐Induced Degradation via Atomic Layer Deposition In Situ N2 Plasma and Postanneal‐Assisted Passivation 通过原子层沉积原位 N2 等离子体和退火后辅助钝化实现 p-GaN 蚀刻诱导的性能恢复
IF 2.8 4区 物理与天体物理
Physica Status Solidi-Rapid Research Letters Pub Date : 2024-09-18 DOI: 10.1002/pssr.202400211
Yingfei Sun, Guohao Yu, Ang Li, Shaoqian Lu, Yu Li, Yuxiang Zhang, Zhongkai Du, Bingliang Zhang, Zixuan Huang, Desheng Zhao, Zhongming Zeng, Baoshun Zhang
{"title":"Performance Recovery of p‐GaN Etch‐Induced Degradation via Atomic Layer Deposition In Situ N2 Plasma and Postanneal‐Assisted Passivation","authors":"Yingfei Sun, Guohao Yu, Ang Li, Shaoqian Lu, Yu Li, Yuxiang Zhang, Zhongkai Du, Bingliang Zhang, Zixuan Huang, Desheng Zhao, Zhongming Zeng, Baoshun Zhang","doi":"10.1002/pssr.202400211","DOIUrl":"https://doi.org/10.1002/pssr.202400211","url":null,"abstract":"The etching of p‐GaN requires extremely strict control over etching depth and morphology; otherwise, it will result in poor electrical characteristics. This work uses ALD(Atomic layer deposition) in situ N<jats:sub>2</jats:sub> plasma and postanneal‐assisted passivation to effectively recover the electrical properties degraded by p‐GaN etching. Compared to unpassivated devices, this approach eliminates surface oxygen bonds, recovering drain current from 10 to 126 mA mm<jats:sup>−1</jats:sup>, reducing gate leakage by an order of magnitude, achieving an ON/OFF current ratio exceeding 10<jats:sup>8</jats:sup>, a breakdown voltage of 930 V at 1 μA mm<jats:sup>−1</jats:sup>, and effectively suppressing current collapse.","PeriodicalId":54619,"journal":{"name":"Physica Status Solidi-Rapid Research Letters","volume":"18 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142252152","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the Bulk Photovoltaic Effect in the Characterization of Strained Germanium Microstructures 应变锗微结构表征中的块状光伏效应
IF 2.8 4区 物理与天体物理
Physica Status Solidi-Rapid Research Letters Pub Date : 2024-09-18 DOI: 10.1002/pssr.202400220
Ignatii Zaitsev, Davide Spirito, Jacopo Frigerio, Carlos Alvarado Chavarin, Anke Lüdge, Wolfgang Lüdge, Raffaele Giani, Michele Virgilio, Costanza Lucia Manganelli
{"title":"On the Bulk Photovoltaic Effect in the Characterization of Strained Germanium Microstructures","authors":"Ignatii Zaitsev, Davide Spirito, Jacopo Frigerio, Carlos Alvarado Chavarin, Anke Lüdge, Wolfgang Lüdge, Raffaele Giani, Michele Virgilio, Costanza Lucia Manganelli","doi":"10.1002/pssr.202400220","DOIUrl":"https://doi.org/10.1002/pssr.202400220","url":null,"abstract":"Strain engineering serves as an effective method for optimizing electronic and optical properties in semiconductor devices, with applications including the enhancement of optical emission in Ge and GeSn‐based devices, improvement of carrier mobility, and second harmonic generation in silicon photonics structures. Current methods for deformation characterization in semiconductors, such as X‐ray diffraction and Raman spectroscopy, often require bulky and expensive setups and are limited in vertical resolution. Consequently, techniques capable of measuring lattice strain while overcoming these drawbacks are highly desirable. This study proposes a proof of concept for a cost‐effective, compact, fast, and non‐destructive approach to probe non‐uniform strain fields and additional material properties by exploiting the bulk photovoltage effect. The method is benchmarked with an array of silicon nitride stripes deposited under varying pressure conditions on a germanium substrate. Initially, their surface strains are verified through Raman spectroscopy. The deformations are replicated in a finite element method platform by integrating mechanical simulations with deformation potential theory, thereby estimating the band edge energy landscape. Finally, the study discusses the theoretical behavior of the photovoltage signal, considering semiconductor properties, defects, doping, and deformation. The findings offer insights into the development of advanced techniques for strain and transport analysis in semiconductor materials.","PeriodicalId":54619,"journal":{"name":"Physica Status Solidi-Rapid Research Letters","volume":"208 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142252156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Wide‐Range Wavelength Light Scattering from Black Silicon Layers: Profits for Perovskite/Si Tandem Solar Cells 黑色硅层的宽波长光散射:珍珠光泽石/硅串联太阳能电池的利润
IF 2.8 4区 物理与天体物理
Physica Status Solidi-Rapid Research Letters Pub Date : 2024-09-18 DOI: 10.1002/pssr.202400235
Gagik Ayvazyan, Harutyun Dashtoyan, Levon Hakhoyan
{"title":"Wide‐Range Wavelength Light Scattering from Black Silicon Layers: Profits for Perovskite/Si Tandem Solar Cells","authors":"Gagik Ayvazyan, Harutyun Dashtoyan, Levon Hakhoyan","doi":"10.1002/pssr.202400235","DOIUrl":"https://doi.org/10.1002/pssr.202400235","url":null,"abstract":"This study investigates the optical properties (light reflectance, absorptance, transmittance, and scattering) of black silicon (b‐Si) layers formed using reactive ion etching method. The corresponding spectra are determined across the visible, near‐infrared, and near‐ultraviolet wavelength ranges (250–1400 nm). It is demonstrated that b‐Si layers reduce the reflectance, and increase the absorptance and light scattering due to the disordered distribution of the nanoneedles. Increasing the etching duration strengthens this trend. It is shown that b‐Si layers etched for 10 min can be considered perfect light scatterers upon reflection at wavelengths less than 700 nm. Based on the obtained results, the possible profits of light scattering from the b‐Si interlayer for perovskite/Si tandem solar cells are analyzed. It is substantiated that the b‐Si interlayer can increase the useful absorptance not only within the bottom Si solar subcell but also in the top perovskite solar subcell. The prospects for future research directions and challenges are also provided.","PeriodicalId":54619,"journal":{"name":"Physica Status Solidi-Rapid Research Letters","volume":"100 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142252153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Magnetic Domain and Structural Defects Size in Ultrathin Films 超薄薄膜中的磁畴和结构缺陷尺寸
IF 2.8 4区 物理与天体物理
Physica Status Solidi-Rapid Research Letters Pub Date : 2024-09-10 DOI: 10.1002/pssr.202400215
Assiongbon Adanlété Adjanoh, Tchilabalo Pakam, Serge Dzo Mawuefa Afenyiveh
{"title":"Magnetic Domain and Structural Defects Size in Ultrathin Films","authors":"Assiongbon Adanlété Adjanoh, Tchilabalo Pakam, Serge Dzo Mawuefa Afenyiveh","doi":"10.1002/pssr.202400215","DOIUrl":"https://doi.org/10.1002/pssr.202400215","url":null,"abstract":"Herein, a model is proposed for measuring the structural defects size <jats:italic>r</jats:italic><jats:sub>0</jats:sub> in an ultrathin magnetic layer with perpendicular magnetic anisotropy. Based on the observations of magnetic domains in Ta/Pt/Co/Pt ultrathin films, using polar magneto‐optical Kerr effect microscopy and measurements of their magnetic anisotropies, the correlation between magnetic domains size <jats:italic>D</jats:italic> and structural defects size <jats:italic>r</jats:italic><jats:sub>0</jats:sub>, as well as the defects concentration parameter <jats:italic>α</jats:italic><jats:sub>K</jats:sub>, which designates the degree of pinning, has been modeled. The average <jats:italic>r</jats:italic><jats:sub>0</jats:sub> value found is high in the sample with unannealed buffer layers and considerably decreases with annealing. It is 6.17 nm with unannealed Ta/Pt buffer layers, 1.06 nm in sample with Ta/Pt buffer layers annealed at 423 K, and 0.49 nm in that with buffer layers annealed at 573 K. The significant drop of <jats:italic>r</jats:italic><jats:sub>0</jats:sub> is in good agreement with the high depinning noted with buffer layers annealing in recent work.","PeriodicalId":54619,"journal":{"name":"Physica Status Solidi-Rapid Research Letters","volume":"58 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142211355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photochemical Fabrication of Ag‐Modified Hierarchical Cu@Cu2O/CuO Nanocomposite Toward Room Temperature NO2 Detection 用光化学方法制备银修饰的分层 Cu@Cu2O/CuO 纳米复合材料,用于室温二氧化氮检测
IF 2.8 4区 物理与天体物理
Physica Status Solidi-Rapid Research Letters Pub Date : 2024-09-08 DOI: 10.1002/pssr.202400223
Xin Gu, Diancheng Zhu, Shouxi Xu, Jing Hu, Miao Cheng, Tao Wei, Qianqian Liu, Ruirui Wang, Wanfei Li, Yun Ling, Bo Liu
{"title":"Photochemical Fabrication of Ag‐Modified Hierarchical Cu@Cu2O/CuO Nanocomposite Toward Room Temperature NO2 Detection","authors":"Xin Gu, Diancheng Zhu, Shouxi Xu, Jing Hu, Miao Cheng, Tao Wei, Qianqian Liu, Ruirui Wang, Wanfei Li, Yun Ling, Bo Liu","doi":"10.1002/pssr.202400223","DOIUrl":"https://doi.org/10.1002/pssr.202400223","url":null,"abstract":"Developing room temperature (RT) gas sensor based on metal oxide semiconductor material has long been challenging. Herein, a 1D hierarchical Ag‐modified Cu@Cu<jats:sub>2</jats:sub>O/CuO nanocomposite has been designed by low‐temperature etching self‐assembly combined with photochemical deposition method based on Cu nanowires (NWs). After a step of alkaline solution etching, the surface of Cu NWs is self‐assembled to form a hierarchical Cu@Cu<jats:sub>2</jats:sub>O/CuO, and then Ag nanoparticles are modified on its surface by photochemical deposition to obtain the desired material. All the preparation processes are carried out at RT and have good controllability. When applied as sensing material, the optimal Cu@Cu<jats:sub>2</jats:sub>O/CuO/Ag nanocomposite exhibits high response of ≈337.0 to 10 ppm NO<jats:sub>2</jats:sub> with excellent selectivity and fast response/recovery (60/400 s) at 25 °C. It is worth noting that such a strategy of loading Ag nanoparticles improves its gas sensitivity by about 42.4 times, and the resulting sensor shows good sensitivity and screening ability to NO<jats:sub>2</jats:sub> in the low concentration range. Finally, the nanostructure of the material is characterized systematically and the sensing mechanism is discussed.","PeriodicalId":54619,"journal":{"name":"Physica Status Solidi-Rapid Research Letters","volume":"64 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142211357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Light Logic Gates with GaAs‐Based Structures 采用砷化镓基结构的光逻辑门
IF 2.8 4区 物理与天体物理
Physica Status Solidi-Rapid Research Letters Pub Date : 2024-09-04 DOI: 10.1002/pssr.202470023
Feyza Sonmez, Sukru Ardali, Burcu Arpapay, Selman Mutlu, Ayse Aygul Ergurhan, Onur Senel, Ugur Serincan, Ayse Erol, Engin Tiras
{"title":"Light Logic Gates with GaAs‐Based Structures","authors":"Feyza Sonmez, Sukru Ardali, Burcu Arpapay, Selman Mutlu, Ayse Aygul Ergurhan, Onur Senel, Ugur Serincan, Ayse Erol, Engin Tiras","doi":"10.1002/pssr.202470023","DOIUrl":"https://doi.org/10.1002/pssr.202470023","url":null,"abstract":"","PeriodicalId":54619,"journal":{"name":"Physica Status Solidi-Rapid Research Letters","volume":"4 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142227904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Materials for Energy Conversion Systems: Fundamentals, Designs, and Applications 能源转换系统材料:基础、设计和应用
IF 2.8 4区 物理与天体物理
Physica Status Solidi-Rapid Research Letters Pub Date : 2024-09-04 DOI: 10.1002/pssr.202400251
Maria Rita Cicconi, Tomokatsu Hayakawa, Brahim Dkhil, Marin Alexe
{"title":"Materials for Energy Conversion Systems: Fundamentals, Designs, and Applications","authors":"Maria Rita Cicconi, Tomokatsu Hayakawa, Brahim Dkhil, Marin Alexe","doi":"10.1002/pssr.202400251","DOIUrl":"https://doi.org/10.1002/pssr.202400251","url":null,"abstract":"","PeriodicalId":54619,"journal":{"name":"Physica Status Solidi-Rapid Research Letters","volume":"6 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142211362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bandgap and Photoluminescence Tunability of Lead‐Free Cs3Bi2(Br,I)9 Solid Solution Compounds 无铅 Cs3Bi2(Br,I)9 固溶体化合物的带隙和光致发光可调谐性
IF 2.8 4区 物理与天体物理
Physica Status Solidi-Rapid Research Letters Pub Date : 2024-09-04 DOI: 10.1002/pssr.202470021
Haruto Hashimoto, Ryohei Oka, Tomokatsu Hayakawa, Christoph Brabec
{"title":"Bandgap and Photoluminescence Tunability of Lead‐Free Cs3Bi2(Br,I)9 Solid Solution Compounds","authors":"Haruto Hashimoto, Ryohei Oka, Tomokatsu Hayakawa, Christoph Brabec","doi":"10.1002/pssr.202470021","DOIUrl":"https://doi.org/10.1002/pssr.202470021","url":null,"abstract":"","PeriodicalId":54619,"journal":{"name":"Physica Status Solidi-Rapid Research Letters","volume":"16 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142211358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of the Structure, Multiferroic, and Magnetic Order of Er0.9La0.1Cr0.8Fe0.2O3 Er0.9La0.1Cr0.8Fe0.2O3 的结构、多铁性和磁序研究
IF 2.8 4区 物理与天体物理
Physica Status Solidi-Rapid Research Letters Pub Date : 2024-09-03 DOI: 10.1002/pssr.202300144
Kaiyang Gao, Hengjian Hou, Jiyu Shen, Zeyi Lu, Jiajun Mo, Guoqing Liu, Zhongjin Wu, Chenying Gong, Dong Xie, Yanfang Xia, Min Liu
{"title":"Study of the Structure, Multiferroic, and Magnetic Order of Er0.9La0.1Cr0.8Fe0.2O3","authors":"Kaiyang Gao, Hengjian Hou, Jiyu Shen, Zeyi Lu, Jiajun Mo, Guoqing Liu, Zhongjin Wu, Chenying Gong, Dong Xie, Yanfang Xia, Min Liu","doi":"10.1002/pssr.202300144","DOIUrl":"https://doi.org/10.1002/pssr.202300144","url":null,"abstract":"Herein, the multiferroic perovskite Er<jats:sub>0.9</jats:sub>La<jats:sub>0.1</jats:sub>Cr<jats:sub>0.8</jats:sub>Fe<jats:sub>0.2</jats:sub>O<jats:sub>3</jats:sub> was synthesized using the sol–gel method, and its structure and multiferroic properties were investigated. The magnetic order of Er<jats:sub>0.9</jats:sub>La<jats:sub>0.1</jats:sub>Cr<jats:sub>0.8</jats:sub>Fe<jats:sub>0.2</jats:sub>O<jats:sub>3</jats:sub> was analyzed through magnetic entropy change curves. Furthermore, a four‐sublattice molecular field model was constructed to study the spin reorientation phenomena and explain the differences between various spin redirections through magnetic order correction. This work will provide a new perspective for studying the properties of type II multiferroic materials.","PeriodicalId":54619,"journal":{"name":"Physica Status Solidi-Rapid Research Letters","volume":"58 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142210993","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nanostructural Modification of Fe2O3 Nanoparticles: Carbon Coating for Enhanced Magnetic Behavior Fe2O3 纳米粒子的纳米结构修饰:增强磁性的碳涂层
IF 2.8 4区 物理与天体物理
Physica Status Solidi-Rapid Research Letters Pub Date : 2024-09-03 DOI: 10.1002/pssr.202400230
Muhammad Qasim, Asad Muhammad Iqbal, Muhammad Tahir Khan, Mohamed A. Ghanem
{"title":"Nanostructural Modification of Fe2O3 Nanoparticles: Carbon Coating for Enhanced Magnetic Behavior","authors":"Muhammad Qasim, Asad Muhammad Iqbal, Muhammad Tahir Khan, Mohamed A. Ghanem","doi":"10.1002/pssr.202400230","DOIUrl":"https://doi.org/10.1002/pssr.202400230","url":null,"abstract":"In this study, the enhancement of magnetic properties in Fe<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> nanoparticles through nanostructural modification via carbon coating is investigated. Fe<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> and carbon‐coated Fe<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> nanoparticles are synthesized using the solvothermal method. Structural, morphological, optical, and magnetic properties are comprehensively analyzed. The results demonstrate a significant reduction in particle size upon carbon coating, effectively mitigating agglomeration. Furthermore, carbon‐coated nanoparticles exhibit substantial enhancement in coercivity, remanence, and saturation magnetization suggesting improved magnetic behavior in comparison to their uncoated counterparts. This enhancement is attributed to the prevention of spin misalignment at the nanoparticle surface by the carbon coating, as well as the formation of distinct magnetic domains due to the reduced particle size. The observed improvements underscore the effectiveness of carbon coating in tailoring the magnetic properties of Fe<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> nanoparticles for applications in magnetic devices and biomedical systems, such as magnetic hyperthermia and drug delivery systems, where precise control over magnetic behavior is crucial.","PeriodicalId":54619,"journal":{"name":"Physica Status Solidi-Rapid Research Letters","volume":"45 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142210992","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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