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High-performance junction field-effect transistor based on black phosphorus/β-Ga2O3 heterostructure

Journal of Semiconductors 2020年第8期41卷 52-58页

作者： Chang Li Cheng Chen Jie Chen Tao He Hongwei Li Zeyuan Yang Liu Xie Zhongchang Wang Kai Zhang Nano Science and Technology Institute University of Science and Technology of ChinaSuzhou 215123China i-lab Suzhou Institute of Nano-Tech and Nano-Bionics(SINANO)Chinese Academy of SciencesSuzhou 215123China School of Materials Science and Engineering Shanghai UniversityShanghai 200444China CAS Key laboratory of Nanodevices and Applications Suzhou Institute of Nano-Tech and Nano-Bionics(SINANO)Chinese Academy of SciencesSuzhou 215123China Institute of Microscale Optoelectronics Collaborative Innovation Centre for Optoelectronic Science&TechnologyKey Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceCollege of Physics and Optoelectronic EngineeringShenzhen Key Laboratory of Micro-Nano Photonic Information TechnologyGuangdong Laboratory of Artificial Intelligence and Digital Economy(SZ)Shenzhen UniversityShenzhen 518060China International Iberian Nanotechnology laboratory(INL) Avenida Mestre Jose Veiga s/nBraga 4715-330Portugal

Black phosphorous(BP),an excellent two-dimensional(2D)monoelemental layered p-type semiconductor material with high carrier mobility and thickness-dependent tunable direct bandgap structure,has been widely applied in various *** the essential building blocks for modern electronic and optoelectronic devices,high quality PN junctions based on semiconductors have attracted widespread ***,we report a junction field-effect transistor(JFET)by integrating narrow-gap p-type BP and ultra-wide gap n-typeβ-Ga2O3 nanoflakes for the first *** andβ-Ga2O3 form a vertical van der Waals(vdW)heterostructure by mechanically exfoliated *** BP/β-Ga2O3 vdW heterostructure exhibits remarkable PN diode rectifying characteristics with a high rectifying ratio about 107 and a low reverse current around *** interestingly,by using the BP as the gate andβ-Ga2O3 as the channel,the BP/β-Ga2O3 JFET devices demonstrate excellent n-channel JFET characteristics with the on/off ratio as high as 107,gate leakage current around as low as pA,maximum transconductance(gm)up to 25.3μS and saturation drain current(IDSS)of 16.5μA/μ***,it has a pinch-off voltage of–20 V and a minimum subthreshold swing of 260 mV/*** excellent n-channel JFET characteristics will expand the application of BP in future nanoelectronic devices.

关键词： two-dimensional semiconductor black phosphorous β-gallium oxide vdWs heterostructure junction field-effect transistor

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Full-color 3D meta-holography

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光电工程 2017年第1期44卷 125-125页

作者： N/A Chinese Acad Sci Inst Opt & Elect State Key Lab Opt Technol Nanofabricat & Microeng Chengdu 610209 Peoples R China Natl Univ Singapore Dept Elect & Comp Engn Engn Dr 3 Singapore 117576 Singapore Univ Chinese Acad Sci Beijing 100049 Peoples R China

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关键词：彩色全息计算全息全息图全息光学信息光学超表面位相全息技术

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基于斜立生长硒化铅纳米片可饱和吸收体的光纤脉冲激光研究(特邀)

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光子学报 2021年第10期50卷 178-187页

作者：邓海芹樊超郭琨汪进俞强张清林吴坚国防科技大学前沿交叉学科学院长沙410073 湖南大学物理与微电子科学学院长沙410082 中国科学院苏州纳米技术与纳米仿生研究所i-lab&纳米器件与应用重点实验室&纳米光子材料与器件重点实验室江苏苏州215123

利用窄禁带半导体硒化铅的可饱和吸收性质,通过物理气相沉积法和光纤探针转移,优化工艺制备硒化铅可饱和吸收体器件,搭建不同波长的脉冲光纤激光器。在基本器件不变的情况下,利用简单的环形腔,在近红外1~2μm范围内实现了稳定的锁模输出... 详细信息

利用窄禁带半导体硒化铅的可饱和吸收性质,通过物理气相沉积法和光纤探针转移,优化工艺制备硒化铅可饱和吸收体器件,搭建不同波长的脉冲光纤激光器。在基本器件不变的情况下,利用简单的环形腔,在近红外1~2μm范围内实现了稳定的锁模输出,中心波长分别为1060.46 nm、1563.24 nm、1908.34 nm,基频分别为0.593 MHz、13.59 MHz、10.25 MHz,脉宽分别为30.53 ns、4.26 ns、1 ns。该结果扩展了新型纳米晶材料硒化铅化合物的应用,可为脉冲光纤激光的波长调控提供解决方案,并满足多波长可调控激光器在生物医学、监测等场景下的应用需求。

关键词：脉冲激光器可饱和吸收体物理气相传输 PbSe 近红外锁模

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Reduction of atrial fibrillation in remotely monitored pacemaker patients： results from a Chinese multicentre registry

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Chinese Medical Journal 2013年第22期126卷 4216-4221页

作者： CHEN Ke-ping DAI Yan HUA Wei YANG Jie-fu LI Kang LIANG Zhao-guang SHEN Fa-rong CHEN Si-lin SUYan-gang DING Yan-sheng ZHANG Shu Chinese Acad Med Sci Fuwai Hosp Clin EP Lab Beijing 100037 Peoples R China Chinese Acad Med Sci Fuwai Hosp Arrhythm Ctr Beijing 100037 Peoples R China Peking Union Med Coll Beijing 100037 Peoples R China Beijing Hosp Dept Cardiol Beijing 100730 Peoples R China Capital Med Univ Xuan Wu Hosp Dept Cardiol Beijing 100053 Peoples R China Harbin Med Univ Affiliated Hosp 1 Dept Cardiol Harbin 150001 Heilongjiang Peoples R China Zhejiang Hosp Dept Cardiol Hangzhou 310013 Zhejiang Peoples R China Guangdong Gen Hosp Dept Cardiol Guangzhou 510100 Guangdong Peoples R China Fudan Univ Zhongshan Hosp Dept Cardiol Shanghai 200032 Peoples R China Peking Univ Hosp 1 Dept Cardiol Beijing 100034 Peoples R China

Background Many recipients of implantable cardiac electronic devices have atrial fibrillation （AF） occurrences after device implantation, even if there is no previous history of AF, and some of the episodes are asymptomatic. The purpose of this study was to evaluate trends in AF burden following early AF detection in patients treated with pacemakers equipped with automatic, daily Home Monitoring function. Methods Between February 2009 and December 2010, the registry recruited 701 pacemaker patients （628 dual-chamber, 73 biventricular devices） at 97 clinical centers in China. Daily Home Monitoring data transmissions were analyzed to screen for the AF burden. In-office follow-ups were scheduled for 3 and 6 months after implantation. Upon first AF （i.e., mode-switch） detection in a patient, screening olAF burden by Home Monitoring was extended for the next 180 days. Results At least one episode of AF was observed in 22.9% of patients with dual-chamber pacemakers and in 28.8% of patients with biventricular pacemakers. The first AF detection in a patient occurred, on average, about 2 months before scheduled follow-up visits. In both pacemaker groups, mean AF burden decreased significantly （P〈0.05） over 180 days following first AF detection： from 12.0% to 2.5% in dual-chamber and from 12.2% to 0.5% in biventricular pacemaker recipients. The number of patients with an AF burden 〉10% per month was significantly reduced over 6 months of implantation in both dual chamber （38 patients in the first month vs. 21 patients in month 6, P〈0.05） and biventricular （7 patients in the first month vs. 0 patient in months 4-6, P〈0.05） pacemaker recipients. Conclusions Automatic, daily Home Monitoring of patients treated with cardiac pacemakers allows early detection of AF, and there is a gradual and significant decrease in AF burden.

关键词： home monitoring atrialfibrillation burden pacemaker cardiac resynchronization device

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Two-Dimensional Borophene:Properties,Fabrication,and Promising Applications

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Research 2020年第1期2020卷 412-434页

作者： Zhongjian Xie Xiangying Meng Xiangnan Li Weiyuan Liang Weichun Huang Keqiang Chen Jianming Chen Chenyang Xing Meng Qiu Bin Zhang Guohui Nie Ni Xie Xiaobing Yan Han Zhang Key laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province Institute of Microscale Optoelectronics and Otolaryngology Department and Biobank of the First Affiliated HospitalShenzhen Second People’s HospitalHealth Science CenterShenzhen UniversityShenzhen 518060China Shenzhen International Institute for Biomedical Research 518116 ShenzhenGuangdongChina National-Local Joint Engineering laboratory of New Energy Photovoltaic Devices Key Laboratory of Digital Medical Engineering of Hebei ProvinceCollege of Electron and Information EngineeringHebei UniversityBaoding 071002China Nantong Key lab of Intelligent and New Energy Materials College of Chemistry and Chemical EngineeringNantong UniversityNantong226019 JiangsuChina Center for Stretchable electronics and Nanoscale Systems Key Laboratory of Optoelectronic Devices and Systems of Ministry of EducationCollege of Physics and Optoelectronic EngineeringShenzhen UniversityShenzhen 518060China Key laboratory of Marine Chemistry Theory and Technology(Ocean University of China) Ministry of EducationQingdao 266100China

Monoelemental two-dimensional(2D)materials(Xenes)aroused a tremendous attention in 2D science owing to their unique properties and extensive ***,one emerging and typical Xene,has been regarded as a promising agent for energy,sensor,and biomedical ***,the production of borophene is still a challenge because bulk boron has rather intricate spatial structures and multiple chemical *** this review,we describe its excellent properties including the optical,electronic,metallic,semiconducting,photoacoustic,and photothermal *** fabrication methods of borophene are also presented including the bottom-up fabrication and the top-down *** the end,the challenges of borophene in the latest applications are presented and perspectives are discussed.

关键词： properties boron Bor

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Look into my eyes:What can eye-based measures tell us about the relationship between physical activity and cognitive performance?

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Journal of Sport and Health Science 2023年第5期12卷 568-591页

作者： Liye Zou Fabian Herold Sebastian Ludyga Keita Kamijo Notger G.Muller Matthew B.Pontifex Matthew Heath Ryuta Kuwamizu Hideaki Soya Charles H.Hillman Soichi Ando Brandon L.Alderman Boris Cheval Arthur F.Kramer Body-Brain-Mind laboratory School of PsychologyShenzhen UniversityShenzhen 518060China Research Group Degenerative and Chronic Diseases MovementFaculty of Health Sciences BrandenburgUniversity of PotsdamPotsdam 14476Germany Department of Sport Exerciseand HealthUniversity of BaselBasel 4052Switzerland Faculty of Liberal Arts and Sciences Chukyo UniversityNagoya 466-8666Japan Department of Kinesiology Michigan State UniversityEast LansingMI 48824USA School of Kinesiology Faculty of Health SciencesUniversity of Western OntarioLondon ON N6A 3K7Canada Canadian Centre for Activity and Aging University of Western OntarioLondon ONN6A 3K7Canada Graduate Program in Neuroscience University of Western OntarioLondon ONN6A 3K7Canada laboratory of Exercise Biochemistry and Neuroendocrinology Faculty of Health and Sport SciencesUniversity of TsukubaTsukuba 305-0006Japan Sport Neuroscience Division Advanced Research Initiative for Human High Performance(ARIHHP)Faculty of Health and Sport SciencesUniversity of TsukubaTsukuba 305-0006Japan Center for Cognitive and Brain Health Department of PsychologyDepartment of Physical TherapyMovementand Rehabilitation SciencesNortheastern UniversityBostonMA 02115USA Graduate School of Informatics and Engineering The University of Electro-CommunicationsTokyo 182-8585Japan Department of Kinesiology and Health Rutgers UniversityNew BrunswickNew BrunswickNJ 08854USA Swiss Center for Affective Sciences University of GenevaGeneva 1205Switzerland laboratory for the Study of Emotion Elicitation and Expression(E3lab) Department of PsychologyUniversity of GenevaGeneva 1205Switzerland Department of Psychology Center for Cognitive and Brain HealthNortheastern UniversityBostonMA 02115USA Beckman Institute University of Illinois at Urbana-ChampaignChampaignIL 61820USA

Background:There is a growing interest to understand the neurobiological mechanisms that drive the positive associations of physical activity and fitness with measures of cognitive *** better understand those mechanisms,several studies have employed eye-based measures(e.g., eye movement measures such as saccades,pupillary measures such as pupil dilation,and vascular measures such as retinal vessel diameter)deemed to be proxies for specific neurobiological ***,there is currently no systematic review providing a comprehensive overview of these studies in the field of exercise-cognition ***,this review aimed to address that gap in the ***:To identify eligible studies,we searched 5 electronic databases on October 23,*** researchers independently extracted data and assessed the risk of bias using a modified version of the Tool for the assEssment of Study qualiTy and reporting in EXercise(TESTEX scale,for interventional studies) and the critical appraisal tool from the Joanna Briggs Institute(for cross-sectional studies).Results:Our systematic review(n=35 studies) offers the following main findings:(a) there is insufficient evidence available to draw solid conclusions concerning gaze-fixation-based measures;(b) the evidence that pupillometric measures,which are a proxy for the noradrenergic system,can explain the positive effect of acute exercise and cardiorespiratory fitness on cognitive performance is mixed;(c) physical training-or fitness-related changes of the cerebrovascular system(operationalized via changes in retinal vasculature) are,in general,positively associated with cognitive performance improvements;(d) acute and chronic physical exercises show a positive effect based on an oculomotor-based measure function(operationalized via antisaccade tasks);and(e) the positive association between cardiorespiratory fitness and cognitive performance is partly mediated by the dopaminergic system(operationalized via spo

关键词： Cognition Exercise Fitness Pupil size RetinaTagedAPTARAEnd

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Freshwater Dothideomycetes

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Fungal Diversity 2020年第6期105卷 319-575页

作者： Wei Dong Bin Wang Kevin D.Hyde Eric H.C.McKenzie Huzefa A.Raja Kazuaki Tanaka Mohamed A.Abdel-Wahab Faten A.Abdel-Aziz Mingkwan Doilom Rungtiwa Phookamsak Sinang Hongsanan Dhanushka N.Wanasinghe Xian-Dong Yu Gen-Nuo Wang Hao Yang Jing Yang Kasun M.Thambugala Qing Tian Zong-Long Luo Jian-Bo Yang Andrew N.Miller Jacques Fournier Saranyaphat Boonmee Dian-Ming Hu Sarunya Nalumpang Huang Zhang Faculty of Agriculture and Food Kunming University of Science and TechnologyKunming 650500China Department of Entomology and Plant Pathology Faculty of AgricultureChiang Mai UniversityChiang Mai 50200Thailand Innovative Agriculture Research Center Faculty of AgricultureChiang Mai UniversityChiang Mai 50200Thailand Center of Excellence in Fungal Research Mae Fah Luang UniversityChiang Mai 57100Thailand Innovative Institute of Plant Health Zhongkai University of Agriculture and EngineeringHaizhu DistrictGuangzhou 510225China School of Environment and Resource Southwest University of Science and TechnologySichuan 621010China Mushroom Research Foundation 128 M.3 Ban Pa Deng T.Pa PaeA.Mae TaengChiang Mai 50150Thailand Research Center of Microbial Diversity and Sustainable Utilization Faculty of SciencesChiang Mai UniversityChiang Mai 50200Thailand Manaaki Whenua-Landcare Research Private Bag 92170AucklandNew Zealand Department of Chemistry and Biochemistry University of North CarolinaGreensboro 27413USA Faculty of Agriculture and Life Science Hirosaki UniversityBunkyo-cho3HirosakiAomori 035-8561Japan Department of Botany and Microbiology Faculty of ScienceSohag UniversitySohag 82524Egypt CAS Key laboratory for Plant Diversity and Biogeography of East Asia Kunming Institute of BotanyChinese Academy of SciencesKunming 650201YunnanChina Centre for Mountain Futures(CMF) Kunming Institute of BotanyKunming 650201YunnanChina East and Central Asia Regional Office World Agroforestry Centre(ICRAF)Kunming 650201YunnanChina Shenzhen Key laboratory of Microbial Genetic Engineering College of Life Sciences and OceanographyShenzhen UniversityShenzhen 518060China School of Life Science and Technology University of Electronic Science and Technology of ChinaChengdu 611731China Faculty of Environmental Science and Engineering Kunming University of Science&TechnologyKunming 650500China School of Science Mae Fah Luang UniversityChiang Rai 57100Thailand Genetics and Molecular Biology Unit

Freshwater Dothideomycetes are a highly diverse group of fungi,which are mostly saprobic in freshwater habitats *** are important decomposers of submerged woody debris and leaves in *** this paper,we outline the genera of freshwater Dothideomycetes with notes and keys to *** on multigene analyses and morphology,we introduce nine new genera,***,Aquatospora,Aquihelicascus,Fusiformiseptata,Neohelicascus,Neojahnula,Pseudojahnula,Purpureofaciens,Submersispora;33 new species,*** bipolare,Aquimassariosphaeria kun-mingensis,Aquatospora cylindrica,Aquihelicascus songkhlaensis,***,Ascagilis submersa,***,Bambusicola aquatica,Caryospora submersa,Dictyocheirospora thailandica,Fusiformiseptata crocea,Helicosporium thai-landense,Hongkongmyces aquaticus,Lentistoma aquaticum,Lentithecium kunmingense,Lindgomyces aquaticus,Longipedi-cellata aquatica,Neohelicascus submersus,Neohelicomyces dehongensis,***,Neohelicosporium submersum,Nigrograna aquatica,Occultibambusa kunmingensis,Parabambusicola aquatica,Pseudoasteromassaria aquatica,Pseu-doastrosphaeriella aquatica,Pseudoxylomyces aquaticus,Purpureofaciens aquatica,Roussoella aquatica,Shrungabeeja aquatica,Submersispora variabilis,Tetraploa puzheheiensis,***;16 new combinations,***-eria typhicola,Aquihelicascus thalassioideus,Ascagilis guttulaspora,***,***,***,Ernakulamia xishuangbannaensis,Neohelicascus aquaticus,***,***,***,***,***,***,Neojahnula australiensis,Pseudojahnula potamophila;17 new geographical and habitat records,*** khaoyaiensis,Aquastroma magniostiolata,Caryospora aquatica,***,Dendryphiella vinosa,Ernakulamia cochinensis,Fissuroma neoaggregatum,Helicotruncatum palmigenum,Jahnula rostrata,Neorous-soella bambusae,***,Occultibambusa pustula,Paramonodictys solitarius,Pleopunctum pseud

关键词： 42 new taxa Freshwater distribution Phylogeny Submerged wood Taxonomy

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Tung Tree(Vernicia fordii) Genome Provides A Resource for Understanding Genome Evolution and Improved Oil Production

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Genomics, Proteomics & Bioinformatics 2019年第6期17卷 558-575页

作者： Lin Zhang Meilan Liu Hongxu Long Wei Dong Asher Pasha Eddi Esteban Wenying Li Xiaoming Yang Ze Li Aixia Song Duo Ran Guang Zhao Yanling Zeng Hao Chen Ming Zou Jingjing Li Fan Liang Meili Xie Jiang Hu Depeng Wang Heping Cao Nicholas J.Provart Liangsheng Zhang Xiaofeng Tan Key laboratory of Cultivation and Protection for Non-Wood Forest Trees Ministry of EducationCentral South University of Forestry and TechnologyChangsha 410004China Key lab of Non-wood Forest Products of State Forestry Administration College of ForestryCentral South University of Forestry and TechnologyChangsha 410004China Department of Cell and Systems Biology/Centre for the Analysis of Genome Evolution and Function University of TorontoTorontoOntario M5S 3B2Canada State Key laboratory of Ecological Pest Control for Fujian and Taiwan Crops Fujian Provincial Key Laboratory of Haixia Applied Plant Systems BiologyFujian Agriculture and Forestry UniversityFuzhou 350002China College of Forestry Nanjing Forestry UniversityNanjing 210037China Nextomics Biosciences Co. Wuhan 430073China Oil Crop Research Institute Chinese Academy of Agricultural SciencesWuhan 430062China US Department of Agriculture Agricultural Research ServiceSouthern Regional Research CenterNew OrleansLA 70124USA

Tung tree(Vernicia fordii) is an economically important woody oil plant that produces tung oil rich in eleostearic acid. Here, we report a high-quality chromosome-scale genome sequence of tung tree. The genome sequence was assembled by combining Illumina short reads, Pacific Biosciences single-molecule real-time long reads, and Hi-C sequencing data. The size of tung tree genome is 1.12 Gb, with 28,422 predicted genes and over 73% repeat sequences. The V. fordii underwent an ancient genome triplication event shared by core eudicots but no further wholegenome duplication in the subsequent ca. 34.55 million years of evolutionary history of the tung tree lineage. Insertion time analysis revealed that repeat-driven genome expansion might have arisen as a result of long-standing long terminal repeat retrotransposon bursts and lack of efficient DNA deletion mechanisms. The genome harbors 88 resistance genes encoding nucleotide-binding sites;17 of these genes may be involved in early-infection stage of Fusarium wilt resistance. Further, 651 oil-related genes were identified, 88 of which are predicted to be directly involved in tung oil biosynthesis. Relatively few phosphoenolpyruvate carboxykinase genes, and synergistic effects between transcription factors and oil biosynthesis-related genes might contribute to the high oil content of tung seed. The tung tree genome constitutes a valuable resource for understanding genome evolution, as well as for molecular breeding and genetic improvements for oil production.

关键词： Tung tree genome Tung oil Genome evolution electronic fluorescent pictographic browser Oil biosynthesis

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Effective mass and Fermi surface complexity factor from ab initio band structure calculations

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npj Computational Materials 2017年第1期3卷 417-423页

作者： Zachary M.Gibbs Francesco Ricci Guodong Li Hong Zhu Kristin Persson Gerbrand Ceder Geoffroy Hautier Anubhav Jain G.Jeffrey Snyder California Institute of Technology Division of Chemistry and Chemical EngineeringPasadenaCAUSA Institute of Condensed Matter and Nanosciences(IMCN) Universitécatholique de LouvainChemin desétoiles 8bte L7.03.01Louvain-la-NeuveBelgium Department of Materials Science and Engineering Northwestern University2220 Campus DriveEvanstonILUSA Department of Materials Science and Engineering Massachusetts Institute of Technology77 Massachusetts AvenueMassachusettsMAUSA Lawrence Berkeley National lab 1 Cyclotron RoadBerkeleyCAUSA

The effective mass is a convenient descriptor of the electronic band structure used to characterize the density of states and electron transport based on a free electron *** effective mass is an excellent first-order descriptor in real systems,the exact value can have several definitions,each of which describe a different aspect of electron *** we use Boltzmann transport calculations applied to ab initio band structures to extract a density-of-states effective mass from the Seebeck Coefficient and an inertial mass from the electrical conductivity to characterize the band structure irrespective of the exact scattering *** identify a Fermi Surface Complexity Factor:N_(v)^(*)K^(*) from the ratio of these two masses,which in simple cases depends on the number of Fermi surface pockets eN_(v)^(*) T and their anisotropy K^(*),both of which are beneficial to high thermoelectric performance as exemplified by the high values found in *** Fermi Surface Complexity factor can be used in high-throughput search of promising thermoelectric materials.

关键词： mechanism materials Fermi

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Coarse aerosol particle size and shape characteristics near ground level of Shijiazhuang city, China

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Journal of Environmental Science and Engineering 2007年第1期1卷 48-54页

作者： WANG Zan-hong ZHANG Yu-liang ZHAO Zhou ZHANG Su-min ZHANG Wen-zong WANG Yun-xiu WEI Li -tao College of Resource and Environment Sciences Hebei Normal University Shijiazhuang 050016 China Hebei Provincial Key lab of Ecology and Environment Monitoring Shijiazhuang 050021 China

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