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Electrical p.r.ormance and reliability analysis of vertical gallium nitride Schottky barrier diodes with dual-ion implanted edge termination

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Chip 2024年第3期3卷 36-42页

作者： Bo Li Jinpei Lin Linfei Gao Zhengweng Ma Huakai Yang Zhihao wu Hsien-Chin Chiu Hao-Chung Kuo Chunfu Zhang Zhihong Liu Shuangwu huang Wei He Xinke Liu college of materials science and engineering College of Electronics and Information EngineeringInstitute of Microelectronics(IME)Guangdong Research Center for Interfacial Engineering of Functional MaterialsState Key Laboratory of Radio Frequency Heterogeneous IntegrationShenzhen UniversityShenzhen 518060China Dep.r.ment of Electronic engineering Chang Gung UniversityTaoyuan 333TaiwanChina Dep.r.ment of photonics and the Institute of Electro-Optical engineering and with Foxconn Semiconductor Research InstituteNational Chiao Tung UniversityHsinchu 300TaiwanChina Xidian university School of MicroelectronicsXi’an710071China

In this study,a galliumnitride(GaN)substrate and its 15μmepitaxial layer were entirely grown by adopting the hydride vap.r.phase epitaxy(HVpE)*** enhance the breakdown voltage(VBr)of vertical GaN-on-GaN Schottky barrier diodes(SBDs),a dual ion coimplantation of carbon and heliumwas employed to create the edge *** resulting devices exhibited a low turn-on voltage of 0.55 V,a high Ion/Ioff ratio of ap.r.ximately 109,and a lowspecific onresistance of 1.93 mU cm^(2).When the ion implantation edge was terminated,the maximumVBr of the devices reached 1575 V,with an average improvement of 126%.These devices demonstrated a high figure of merit(FOM)of 1.28 GW cm^(-2) and showed excellent reliability during pulse stress testing.

关键词： Vertical GaN SBD HVpE Dual ion co-implantation Leakage mechanism Device reliability

Synergistic reinforcement of organophilic montmorillonite and carbon black in natural rubber

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Synergistic reinforcement of organophilic montmorillonite an...

Multi-omic Analyses Shed Light on The Genetic Control of High-altitude Adaptation in Sheep

2009年全国高分子学术论文报告会

作者： Liangliang Qu,Guangsu huang,Gengsheng Weng,Yijing Nie,Jinrong wu college of polymer science and engineering,State Key Laboratory of polymer materials engineering,Sichuan university,Chengdu,610065,china

＜正＞In this study,the improvement of tensile prop.r.y of Nr through synergistic reinforcing effect of OMMT and CB has been *** reinforcement is saturated at 5wt%OMMT for Nr/OMMT and also reached a larger extent at 2... 详细信息

关键词： natural rabber organophilic montmorillonite carbon black synergistic reinforcement

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Genomics, proteomics & Bioinformatics 2024年第2期22卷 43-56页

作者： Chao Li Bingchun Chen Suo Langda peng pu Xiaojia Zhu Shiwei Zhou peter Kalds Ke Zhang Meenu Bhati Alexander Leonard Shuhong huang ran Li Awang Cuoji Xiran Wang Haolin Zhu Yujiang wu renqin Cuomu Ba Gui Ming Li Yutao Wang Yan Li Wenwen Fang Ting Jia Tianchun pu Xiangyu pan Yudong Cai Chong He Liming Wang Yu Jiang Jian-Lin Han Yulin Chen ping Zhou Hubert pausch Xiaolong Wang International Joint Agriculture research Center for Animal Bio-Breeding Ministry of Agriculture and Rural Affairs/Key Laboratory of Animal GeneticsBreeding and Reproduction of Shaanxi ProvinceCollege of Animal Science and TechnologyNorthwest A&F UniversityYangling 712100China Animal Genomics ETH ZürichZürich 8092Switzerland Institute of Animal science Tibet Academy of Agricultural and Animal Husbandry SciencesLhasa 850009China School of Biological and pharmaceutical engineering Lanzhou Jiaotong UniversityLanzhou 730070China college of Life sciences Shaanxi Normal UniversityXi’an 710119China Zoology and Evolutionary Biology Department of BiologyUniversity of Konstanz78457 KonstanzGermany college of Life and Geographic sciences Kashi UniversityKashi 844000China Beijing Key Laboratory of Captive Wildlife Technologies Beijing ZooBeijing 100044China Dep.r.ment of Medical research Guangdong Provincial People’s HospitalGuangdong Academy of Medical SciencesGuangzhou 510080China Key Laboratory of Agricultural Internet of Things Ministry of Agriculture and Rural Affairs/Shaanxi Key Laboratory of Agricultural Information Perception and Intelligent ServiceCollege of Information EngineeringNorthwest A&F UniversityYangling 712100China Institute of Animal Husbandry and Veterinary Medicine Xinjiang Academy of Agricultural and Reclamation SciencesShihezi 832000China State Key Laboratory of Sheep Genetic Improvement and Healthy production Xinjiang Academy of Agricultural and Reclamation SciencesShihezi 832000China CAAS-ILrI Joint Laboratory on Livestock and Forage Genetic resources Institute of Animal ScienceChinese Academy of Agricultural SciencesBeijing 100193China Livestock Genetics program International Livestock Research InstituteNairobi 00100Kenya

Sheep were domesticated in the Fertile Crescent and then spread globally,where they have been encountering various environmental *** Tibetan sheep has adapted to high altitudes on the Qinghai-Tibet plateau over the past 3000 *** explore genomic variants associated with high-altitude adaptation in Tibetan sheep,we analyzed Illumina short-reads of 994 whole genomes representing∼60 sheep breeds/populations at varied altitudes,pacBio High fidelity(HiFi)reads of 13 breeds,and 96 transcriptomes from 12 sheep *** testing between the inhabited altitudes and 34,298,967 variants was conducted to investigate the genetic architecture of altitude *** accurate HiFi reads were used to complement the current ovine reference assembly at the most significantly associatedβ-globin locus and to validate the presence of two haplotypes A and B among 13 sheep *** haplotype A carried two homologous gene clusters:(1)HBE1,HBE2,HBB-like,and HBBC,and(2)HBE1-like,HBE2-like,HBB-like,and HBB;while the haplotype B lacked the first *** high-altitude sheep showed highly frequent or nearly fixed haplotype A,while the low-altitude sheep dominated by haplotype *** further demonstrated that sheep with haplotype A had an increased hemoglobin–O2 affinity comp.r.d with those carrying haplotype *** highly associated genomic region contained the EGLN1 gene which showed varied expression between high-altitude and low-altitude *** results provide evidence that the rapid adaptive evolution of advantageous alleles play an imp.r.ant role in facilitating the environmental adaptation of Tibetan sheep.

关键词： Environmental adaptation High altitude Hypoxia Selection signature Sheep

Multifunctional catalytic sites regulation of atomic-scale iridium on orthorhombic-CoSe_(2)for high efficiency dual-functional alkaline hydrogen evolution and organic degradation

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Journal of Energy Chemistry 2024年第5期92卷 271-281页

作者： Jingjing huang Chenglin Zhong Yanjie Xia Jia Liu Guizhen Li Chao Yang Jiahong Wang Qian Wang Zhenbao Zhang Feng Yan Jianghua wu Yu Deng Zhenjiang Zhou Xingchen He paul K.Chu Woon-Ming Lau Xue-Feng Yu college of Chemistry and Chemical engineering Linyi UniversityLinyi 276005ShandongChina Shenzhen engineering Center for the Fabrication of Two-Dimensional Atomic Crystals Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055GuangdongChina National Laboratory of Solid State Microstructures Jiangsu Key Laboratory of Artificial Functional MaterialsCollege of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing 210093JiangsuChina college of Biosystems engineering and Food science Zhejiang UniversityHangzhou 310058ZhejiangChina Dep.r.ment of physics Department of Materials Science and EngineeringDepartment of Biomedical EngineeringCity University of Hong KongTat Chee AvenueKowloonHong KongChina

The earth-abundant and high-p.r.ormance catalysts are crucial for commercial implementation of hydrogen evolution reaction(HEr).Herein,a multifunctional site strategy to construct excellent HEr catalysts by incorp.r.ting iridium(Ir)ions on the atomic scale into orthorhombic-CoSe2(Ir-CoSe_(2))was *** hydrogen evolution activity in alkaline media such as a low overpotential of 48.7 mV at a current density of 10 mA cm^(-2)and better p.r.ormance than commercial pt/C catalysts at high current densities were found in the Ir-CoSe_(2) *** the exp.r.ments and theoretical calculations,it was revealed that Ir enabled CoSe_(2)to form multifunctional sites to synergistically catalyze alkaline HEr by promoting the adsorption and dissociation of H_(2)O(Ir sites)and optimizing the binding energy for H^(*)on Co *** was noticeable that the electrolytic system comprising the Ir-CoSe_(2)electrode not only produced hydrogen efficiently via HEr,but also degraded organic pollutants(Methylene blue).The cell voltage of the dual-function electrolytic system was 1.58 V at the benchmark current density of 50 mA cm^(-2),which was significantly lower than the conventional water splitting *** was indicated that this method was a novel strategy for designing advanced HEr electrocatalysts by constructing multifunctional catalytic sites for hydrogen production and organic degradation.

关键词： Orthorhombic-CoSe_(2) Multifunctional sites design Hydrogen evolution reaction Synergistically catalyze Methylene blue oxidation

Gate Tunable Labyrinth Domain Structures in a van der Waals Itinerant Ferromagnet Cr_(7)Te_(8)

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Chinese physics Letters 2024年第9期41卷 122-132页

作者： Kui Meng Zeya Li Yicheng Shen Xiangyu Bi Junhao rao Yuting Qian Zhansheng Gao peng Chen Caiyu Qiu Feng Qin Jinxiong wu Feng Luo Junwei huang Hongtao Yuan National Laboratory of Solid State Microstructures Jiangsu Key Laboratory of Artificial Functional MaterialsCollege of Engineering and Applied Sciencesand Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing 210000China Center for the physics of Low-Dimensional materials Henan Joint International Research Laboratory of New Energy Materials and DevicesSchool of Physics and ElectronicsHenan UniversityKaifeng 475004China Tianjin Key Lab for rare Earth materials and Applications Center for Rare Earth and Inorganic Functional MaterialsSmart Sensor Interdisciplinary Science CenterSchool of Materials Science and EngineeringNankai UniversityTianjin 300350China

Manipulating magnetic domain structure plays a key role in advanced spintronics *** rationale is that the labyrinthine domain structure,normally appearing in ferromagnetic thin films with strong magnetic anisotropy,shows a great potential to increase data storage density for designing magnetic nonvolatile memory and logic ***,an electrical control of labyrinthine domain structure remains ***,we demonstrate the gate-driven evolution of labyrinthine domain structures in an itinerant ferromagnet Cr_(7)Te_(8).By combining electric transp.r. measurements and micromagnetic finite difference simulations,we find that the hysteresis loop of anomalous Hall effect in Cr_(7)Te_(8)samples shows distinct features corresponding to the generation of labyrinthine domain *** labyrinthine domain structures are found to be electrically tunable via Li-electrolyte gating,and such gate-driven evolution in Cr_(7)Te_(8)originates from the reduction of the magnetic anisotropic energy with gating,revealed by our micromagnetic *** results on the gate control of anomalous Hall effect in an itinerant magnetic material provide an opp.r.unity to understand the formation and evolution of labyrinthine domain structures,paving a new route towards electric-field driven spintronics.

关键词： rational electrolyte ferromagnetic

具有可重构特征的轨道角动量天线技术研究进展

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电子与信息学报 2024年第4期46卷 1173-1185页

作者：吴杰胡俊张忠祥沙威黄志祥吴先良合肥师范学院电子信息系统仿真设计安徽省重点实验室合肥230601 东南大学毫米波全国重点实验室南京210096 合肥工业大学微电子学院合肥230601 浙江大学信息与电子工程学院杭州310027 安徽大学信息材料与智能感知安徽省实验室合肥230039

轨道角动量(OAM)因其模式具有理论上无穷且正交互不干扰的特点,在扩展信道容量方面展现出良好的优势,为解决日趋紧张的频谱资源提供了一种新型设计自由度。面对复杂多样的无线通信场景,设计具有可重构特征的OAM天线,是实现多模态复用、... 详细信息

轨道角动量(OAM)因其模式具有理论上无穷且正交互不干扰的特点,在扩展信道容量方面展现出良好的优势,为解决日趋紧张的频谱资源提供了一种新型设计自由度。面对复杂多样的无线通信场景,设计具有可重构特征的OAM天线,是实现多模态复用、智能信息感知和人工智能天线的物理层基础。该文首先结合可重构天线实现机理,给出了OAM可重构天线设计的方法及具备的特点;然后,系统性综述了具有可重构特征的OAM天线的研究进展;最后,对未来设计具有可重构特征的OAM天线研究进行了展望。

关键词：涡旋电磁波轨道角动量天线可重构复用

phase-stable wide-bandgap p.r.vskites enabled by sup.r.ssed ion migration

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Journal of Energy Chemistry 2024年第9期96卷 120-128页

作者： Zhiyu Gao Yu Zhu Jingwei Zhu Cong Chen Zongjin Yi Yi Luo Yuliang Xu Kai wu Tianshu Ma Fangfang Cao Zijun Chen Fang Yao Juncheng Wang Wenwu Wang Chuanxiao Xiao Hao huang Hongxiang Li Qianqian Lin pei Cheng Changlei Wang Xia Hao Guanggen Zeng Dewei Zhao college of materials science and engineering&Institute of New Energy and Low-Carbon technology&engineering research Center of Alternative Energy materials and Devices Ministry of EducationSichuan UniversityChengdu 610065SichuanChina School of Optoelectronic science and engineering&Collaborative Innovation Center of Suzhou Nano science and technology Key Lab of Advanced Optical Manufacturing Technologies of Jiangsu Province&Key Lab of Modern Optical Technologies of Education Ministry of ChinaSoochow UniversitySuzhou 215006JiangsuChina Ningbo Institute of materials technology and engineering Chinese Academy of SciencesNingbo 315201ZhejiangChina Ningbo New materials Testing and Evaluation Center Co.Ltd Ningbo 315201ZhejiangChina State Key Laboratory of Featured Metal materials and Life-cycle Safety for Composite Structure&School of resources Environment and MaterialsGuangxi UniversityNanning 530004GuangxiChina Key Lab of Artificial Micro-and Nano-Structures of Ministry of Education of china School of Physics and TechnologyWuhan UniversityWuhan 430072HubeiChina college of polymer science and engineering State Key Laboratory of Polymer Materials EngineeringSichuan UniversityChengdu 610065SichuanChina

Wide-bandgap(>1.7 eV)p.r.vskites suffer from severe light-induced phase segregation due to high bromine content,causing irreversible damage to devices ***,the strategies of sup.r.ssing photoinduced phase segregation and related mechanisms have not been fully ***,we rep.r. a new passivation agent 4-aminotetrahydrothiop.r.n hydrochloride(4-ATpHCl)with multifunctional groups for the interface treatment of a 1.77-eV wide-bandgap p.r.vskite film.4-ATpH^(+)impeded halogen ion migration by anchoring on the p.r.vskite surface,leading to the inhibition of phase segregation and thus the passivation of defects,which is ascribed to the interaction of 4-ATpH^(+)with p.r.vskite and the formation of low-dimensional ***,the champion device achieved an efficiency of 19.32%with an open-circuit voltage(V_(OC))of 1.314 V and a fill factor of 83.32%.Moreover,4-ATpHCl modified device exhibited significant improved stability as comp.r.d with control *** target device maintained 80%of its initial efficiency after 519 h of maximum power output(Mpp)tracking under 1 sun illumination,however,the control device showed a rapid decrease in efficiency after 267 ***,an efficiency of 27.38%of the champion 4-terminal all-p.r.vskite tandem solar cell was achieved by mechanically stacking this wide-bandgap top subcell with a 1.25-eV low-bandgap p.r.vskite bottom subcell.

关键词： Wide-bandgap p.r.vskite phase segregation lon migration Interface post-treatment All-p.r.vskite tandems

Efficient water disinfection with ball milled Mg-biochar: The key role of trace Cu

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Chinese Chemical Letters 2024年第1期35卷 412-417页

作者： Yanchao Jin Suixiaochen Chen peiwen huang Xiongjian Chen Chun-Yan Lin Li-ping Li Xiao Chen rui Ding Jianxi Liu riyao Chen college of Environmental and resource sciences Fujian Normal UniversityFuzhou 350117China School of materials and Chemical engineering Minjiang UniversityFuzhou 350108China research and Development Center for Watershed Environmental Eco-engineering Beijing Normal UniversityZhuhai 519087China Fujian Key Laboratory of pollution Control&resource reuse Fuzhou 350007China

In this study, magnesium and coconut shell carbon (CSC) were prep.r.d by a ball milled process and used for water disinfection with adsorbing tiny amounts of copp.r.II). Dissolved oxygen (DO) was reduced to hydrogen p.r.xide (H_(2)O_(2)) via a two-electron pathway by Mg corrosion. Cu(II) in the wastewater will be enriched on the CSC surface and efficiently catalyzes H2O2 for inactivating E. coli. The results show that E. coli with an initial concentration of ap.r.ximately 106 CFU/mL was under the detection limit (rbed by the composite and catalyzed H2O2 to different active species. The quenching exp.r.ments, electron spin resonance (ESr) capture measurements and the UV-vis spectroscopy detection confirmed the present of the hydroxyl radicals (·OH), sup.r.xide radicals (·O_(2)^(-)) and Cu(III). Different with tradition Fenton like process, Cu(III), rather than radicals, played the major role during the Mg-CSC/Cu(II) process. In addition to the cellular membrane damage, most of the bacterial genomic DNA was also be degraded and the bacterial reactivation was avoided. The Mg-CSC/Cu(II) process also showed a satisfied disinfection p.r.ormance in real wastewater treatment. Overall, this study provides a new strategy for water disinfection.

关键词： Disinfection Magnesium Cu Hydrogen p.r.xide Biochar

Conformational Changes of protein Adsorbed on Tailored Flat Substrates with Different Chemistries

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Conformational Changes of Protein Adsorbed on Tailored Flat ...