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Polychromatic full-polarization control in mid-infrared light

Light(Science & Applications) 2023年第5期12卷 894-904页

作者： Jin Chen Feilong Yu Xingsi Liu Yanjun Bao Rongsheng Chen Zengyue Zhao Jiuxu Wang Xiuxia Wang Wen Liu Yuzhi Shi Cheng-Wei Qiu Xiaoshuang Chen Wei Lu Guanhai Li state key laboratory of Infrared physics Shanghai Institute of Technical PhysicsChinese Academy of Sciences500 Yu Tian RoadShanghai 200083China Hangzhou Institute for Advanced Study University of Chinese Academy of SciencesNo.1 SubLane XiangshanHangzhou 310024China Shanghai Research Center for Quantum Sciences 99 Xiupu RoadShanghai 201315China University of Chinese Academy of Science No.19 Yuquan RoadBeijing 100049China department of Electrical and Computer Engineering National University of Singapore4 Engineering Drive 3Singapore 117583Singapore Institute of Nanophotonics Jinan UniversityGuangzhou 511443China Center for Micro-and Nanoscale Research and Fabrication University of Science and Technology of ChinaHefei 230026China Institute of Precision Optical Engineering School of Physics Science and EngineeringTongji UniversityShanghai 200092China National University of Singapore Suzhou Research Institute No.377 Linquan StreetSuzhouJiangsu 215123China

Objects with different shapes,materials and temperatures can emit distinct polarizations and spectral information in mid-infrared band,which provides a unique signature in the transparent window for object ***,the crosstalk among various polarization and wavelength channels prevents from accurate mid-infrared detections at high signal-to-noise ***,we report full-polarization metasurfaces to break the inherent eigen-polarization constraint over the wavelengths in *** recipe enables to select arbitrary orthogonal polarization basis at individual wavelength independently,therefore alleviating the crosstalk and efficiency degradation.A six-channel all-silicon metasurface is specifically presented to project focused mid-infrared light to distinct positions at three wavelengths,each with a pair of arbitrarily chosen orthogonal *** isolation ratio of 117 between neighboring polarization channels is experimentally recorded,exhibiting detection sensitivity one order of magnitude higher than existing infrared ***,the high aspect ratio~30 of our meta-structures manufactured by deep silicon etching technology at temperature−150℃ guarantees the large and precise phase dispersion control over a broadband from 3 to 4.5μ*** believe our results would benefit the noise-immune mid-infrared detections in remote sensing and space-to-ground communications.

关键词： polarization light noise

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Study of the Structural and Electronic Properties of Neutral and Charged Niobium-Doped silicon Clusters: Niobium Encapsulated in silicon Cages

Study of the Structural and Electronic Properties of Neutral...

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第六届全国计算原子与分子物理学术会议

作者： Xin-Xin Xia Andreas Hermann Xiao-Yu Kuang a Yuan-Yuan Jin Cheng Lu Xiao-Dong Xing Institute of Atomic and Molecular physics Sichuan University department of physics Nanyang Normal University Beijing Computational Science Research Center

Emissions of carbon oxides,particularly carbon dioxide(CO

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X-ray focusing with efficient high-NA multilayer Laue lenses

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Light(Science & Applications) 2017年第1期6卷 95-103页

作者： Saša Bajt Mauro Prasciolu Holger Fleckenstein Martin Domaracký Henry N Chapman Andrew J Morgan Oleksandr Yefanov Marc Messerschmidt Yang Du Kevin T Murray Valerio Mariani Manuela Kuhn Steven Aplin Kanupriya Pande Pablo Villanueva-Perez Karolina Stachnik Joe PJ Chen Andrzej Andrejczuk Alke Meents Anja Burkhardt David Pennicard Xiaojing Huang Hanfei Yan Evgeny Nazaretski Yong S Chu Christian E Hamm Photon Science DESYNotkestrasse 85Hamburg 22607Germany Center for Free-Electron Laser Science DESYNotkestrasse 85Hamburg 22607Germany department of physics University of HamburgLuruper Chaussee 149Hamburg 22607Germany Centre for Ultrafast Imaging Luruper Chaussee 149Hamburg 22607Germany National Science Foundation BioXFEL Science and Technology Center 700 Ellicott StreetBuffaloNY 14203USA department of physics Arizona State UniversityTempeAZ 85287USA Faculty of physics University of BialystokCiolkowskiego 1L Str.Bialystok 15-245Poland National Synchrotron Light Source II Brookhaven National LaboratoryUptonNY 11973USA Alfred-Wegener Institute Helmholtz Center for Polar and Marine ResearchBussestr.27Bremerhaven 27570Germany

Multilayer Laue lenses are volume diffraction elements for the efficient focusing of *** a new manufacturing technique that we introduced,it is possible to fabricate lenses of sufficiently high numerical aperture(NA)to achieve focal spot sizes below 10 *** alternating layers of the materials that form the lens must span a broad range of thicknesses on the nanometer scale to achieve the necessary range of X-ray deflection angles required to achieve a high *** poses a challenge to both the accuracy of the deposition process and the control of the materials properties,which often vary with layer *** introduced a new pair of materials—tungsten carbide and silicon carbide—to prepare layered structures with smooth and sharp interfaces and with no material phase transitions that hampered the manufacture of previous *** a pair of multilayer Laue lenses(MLLs)fabricated from this system,we achieved a two-dimensional focus of 8.4×6.8 nm2 at a photon energy of 16.3 keV with high diffraction efficiency and demonstrated scanning-based imaging of samples with a resolution well below 10 *** high NA also allowed projection holographic imaging with strong phase contrast over a large range of *** error analysis indicates the possibility of achieving 1 nm focusing.

关键词： multilayer Laue lenses multilayers ptychography X-ray holography X-ray optics

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CCS Chemistry Celebrates Outstanding Women in Chemistry

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CCS Chemistry 2021年第3期3卷 569-571页

作者： Tian, Wenjing Li, Juan Jilin Univ Changchun Jilin Peoples R China Jilin Univ State Key Lab Supramol Struct & Mat Changchun Jilin Peoples R China Univ Florida Gainesville FL 32611 USA Fuzhou Univ Fuzhou Fujian Peoples R China Chinese Acad Sci IBMC Beijing Peoples R China

Wenjing Tian(田文晶)*** Tian completed her undergraduate study at the department of physics,Jilin University in 1988 and received her *** Changchun Institute of Applied Chemistry,CAS in *** 1994 to 1996,she worked as a post-doctoral scholar at Jilin University and then joined the state key laboratory of Supramolecular Structure and materials at Jilin University as an Associate Professor and later promoted to *** research in her group focuses on organic/polymer opto-electronic materials,including supramolecular assembly of organic materials,high efficiency organic luminescent materials and their *** was awarded the First Prize of Natural Science of Ministry of Education in 2001 and First Prize of Natural Science of Jilin Province in 2014.

关键词： Changchun 田文 Jilin

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Irreversible Colossal Magnetoresistance in La_(0.58)Dy_(0.09)Ca_(0.33)MnO_3

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Journal of materials Science & Technology 2003年第6期19卷 622-624页

作者： Baoxin HUANG, Yihua LIU, Ruzhen ZHANG, Youyong DAI, Chengjian WANG, Xiaobo YUAN and Liangmo MEIdepartment of physics and state key laboratory of Crystal materials, Shandong University, Ji’nan 250100, China lab. of Crystal Mat. Dept. of Phys. Shandong Univ. Ji'nan 250100 China

The representative sample La0.58Dy0.09Ca0.33MnO3 of Dy doped La0.67Ca0.33MnO3 rare-earth manganites was investigated. The most important effect of Dy doping is to introduce the magnetoimpurity and form the spin clusters which induce dramatically large CMR in La0.58Dy0.09Ca0.33MnO3. The fitting results of field-induced resistivity decrease to the Brillouin function indicate that the CMR is caused by the spin dependent hopping between spin clusters. It is the magnetic field that reduces the size of spin clusters and induces a field-induced irreversible CMR behaviour.

关键词： Spin cluster Magnetoimpurity Colossal magnetoresistance

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Engineered tunneling layer with enhaneed impact ionization for detection improvement in graphene/silicon heterojunction photodetectors

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Light(Science & Applications) 2021年第6期10卷 1133-1142页

作者： Jun Yin Lian Liu Yashu Zang Anni Ying Wenjie Hui Shusen Jiang Chunquan Zhang Tzuyi Yang Yu-Lun Chueh Jing Li Junyong Kang Collaborative Inno vation Center for Optoelectr onic Semic on ductors and Efficient Devices Pen-Tung Sah Institute of Micro-Nano Science and Techno logy/Department of PhysicsXiamen UniversityXiamen 361005China. San'an Optoelectronics Co. Ltd.Xiamen 361005China. department of materials Science and Engineering Tsing Hua UniversityHsinchu 30013China

Here,an engineered tunneling layer enhanced photocurrent multiplication through the impact ionization effect was proposed and experimentally demonstrated on the graphene/silic on heterojunction *** con sidering the suitable band structure of the insulation material and their special defect states,an atomic layer deposition(ALD)prepared wide-bandgap insulating(WBI)layer of AIN was introduced into the interface of graphene/silicon *** promoted tunneling process from this designed structure dem on strated that can effectively help the impact ionization with photogain not only for the regular minority carriers from silicon,but also for the novel hot carries from *** a result,significantly enhanced photocurrent as well as simultaneously decreased dark current about one order were accomplished in this graphene/insulation/silicon(GIS)heterojunction devices with the optimized AIN thickness of〜15 nm compared to the conventional graphene/silicon(GS)***,at the reverse bias of-10 V,a 3.96-A W_1 responsivity with the photogain of~5.8 for the peak response under 850-nm light illumination,and a 1.03-A W_1 responsivity with~3.5 photogain under the 365 nm ultraviolet(UV)illumination were realized,which are even remarkably higher than those in GIS devices with either AI2O3 or the commonly employed SiO2 insulation *** work dem on strates a universal strategy to fabricate broad ba nd,low-cost and high-performance photo-detecting devices towards the graphene-silicon optoelectronic integration.

关键词： heterojunction Engine tunneling

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Non-Equilibrium Mesoscopic Properties of Nanostructured materials

Non-Equilibrium Mesoscopic Properties of Nanostructured Mate...

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International Symposium on Physical Chemistry of Surface Nanostructures and Related Nanomaterials

作者： Y.Yamazaki H.Gleiter department of physics and Nanoscience Center Xiamen UniversityXiamen361005China Institut fuer NanotechnologieForschungszentrum Karlsruhe D76021 Germany Institut fuer Nanotechnologie Forschungszentrum Karlsruhe D76021 Germany

＜正＞ Nano structured materials show typical non-equilibrium behavior, inherent to the compositenano-sized grains and interfaces. There it may be important for local changes of properties ineach nano-sized grain to be measured and utilized. For the nano structured materials（structural materials, magneto-structural materials and fractured-structural materials）,mesoscopic phase transitions and mesoscopic critical behavior are studied by constructingtheoretical and simulating methods. The theoretical methods are constructed by hierarchically

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二次电池研究进展

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物理化学学报 2022年第12期38卷 22-167页

作者：黄俊达朱宇辉冯煜韩叶虎谷振一刘日鑫杨冬月陈凯张相禹孙威辛森余彦尉海军张旭于乐王华刘新华付永柱李国杰吴兴隆马灿良王飞陈龙周光敏吴思思卢周广李秀婷刘继磊高鹏梁宵常智叶华林李彦光周亮尤雅王鹏飞杨超刘金平孙美玲毛明磊陈浩张山青黄岗余丁山徐建铁熊胜林张进涛王莹任玉荣杨春鹏徐韵涵陈亚楠许运华陈子峰杲祥文浦圣达郭少华李强曹晓雨明军皮欣朋梁超凡伽龙王俊雄焦淑红姚雨晏成林周栋李宝华彭新文陈冲唐永炳张桥保刘奇任金粲贺艳兵郝晓鸽郗凯陈立宝马建民电子科技大学材料与能源学院成都611731 中国科学院化学研究所北京100190 厦门大学材料学院福建厦门361005 中国科学技术大学材料科学与工程系合肥230026 东北师范大学物理学院长春130024 南京大学现代工程与应用科学学院南京210046 中国科学院长春应用化学研究所长春130022 北京化工大学有机无机复合材料国家重点实验室北京100029 北京工业大学材料与制造学部北京100124 北京航空航天大学化学学院北京100191 北京航空航天大学交通科学与工程学院北京100191 郑州大学化学学院郑州450001 郑州大学橡塑模具国家工程研究中心郑州450002 东北师范大学化学学院长春130024 山西大学分子科学研究所太原030006 复旦大学材料科学系上海200433 华东理工大学化工学院上海200237 清华大学深圳国际研究生院广东深圳518055 南方科技大学材料科学与工程系广东深圳518055 深圳大学高等研究院广东深圳518060 湖南大学材料科学与工程学院长沙410082 湖南大学化学化工学院长沙410082 中南大学材料科学与工程学院长沙410083 苏州大学功能纳米与软物质研究院江苏苏州215123 武汉理工大学材料复合新技术国家重点实验室武汉430070 西安交通大学电气工程学院西安710049 武汉理工大学化学化工与生命科学学院武汉430070 华中科技大学光学与电子信息学院武汉430074 Centre for Catalysis and Clean Energy School of Environment and ScienceGriffith UniversityGold CoastQLD4214Australia 中山大学化学学院广州510275 华南理工大学环境与能源学院广州510006 山东大学化学与化工学院济南250100 香港中文大学化学系中国香港999077 常州大学材料科学与工程学院江苏常州213164 天津大学化工学院天津300350 天津大学材料科学与工程学院天津300350 department of materials University of OxfordOxfordOX13PH 青岛大学新能源科学与工程系山东青岛266071 河南工业大学化学化工学院郑州450001 华中科技大学材料科学与工程学院武汉430074 苏州大学能源学院江苏苏州215006 华南理工大学轻工科学与工程学院广州510641 中国科学院深圳先进技术研究院广东深圳518055 湖南大学物理与微电子科学学院长沙410082 香港城市大学物理系中国香港999077 department of Mechanical and materials Engineering University of Western OntarioLondonOntario N6A 5B9Canada 西安交通大学化学学院西安710049 中南大学粉末冶金国家重点实验室长沙410083

能源的存储和利用是当今科学和技术发展中的重大课题之一,尤其是作为高效的电能/化学能转化装置的二次电池相关技术一直是科学家研究的热点领域。在此背景下,本文较为系统地介绍目前二次电池的重要研究进展,将从二次电池的发展历史引入... 详细信息

能源的存储和利用是当今科学和技术发展中的重大课题之一,尤其是作为高效的电能/化学能转化装置的二次电池相关技术一直是科学家研究的热点领域。在此背景下,本文较为系统地介绍目前二次电池的重要研究进展,将从二次电池的发展历史引入,再到其相关的基础理论知识的介绍。随后较为详细地讨论当前不同体系的二次电池及相关应的关键材料的研究进展,涉及到锂离子电池、钠离子电池、钾离子电池、镁离子电池、锌离子电池、钙离子电池、铝离子电池、氟离子电池、氯离子电池、双离子电池、锂-硫(硒)电池、钠-硫(硒)电池、钾-硫(硒)电池、多价金属-硫基电池、锂-氧电池、钠-氧电池、钾-氧电池、多价金属-氧气电池、锂-溴(碘)电池、水系金属离子电池、光辅助电池、柔性电池、有机电池、金属-二氧化碳电池等。此外,也介绍了电池研究中常见的电极反应过程表征技术,包括冷冻电镜、透射电镜、同步辐射、原位谱学表征、磁性表征等。本文将有助于研究人员对二次电池进行全面系统的了解与把握,并为之后二次电池的研究提供很好的指导作用。

关键词：二次电池电池体系电池材料电化学知识表征技术

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