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Orbital XY models in moiré superlattices: 《Chinese Physics B》2025年第2期19-29,共11页Yanqi Li Yi-Jie Wang Zhi-Da Song; Project supported by the National Natural Science Foundation of China (Grant No. 12274005);the National Key Research and Development Program of China (Grant No. 2021YFA1401903);Innovation Program for Quantum Science and Technology (Grant No. 2021ZD0302403)。; Moiré superlattices provide a new platform to engineer various many-body problems. In this work, we consider arrays of quantum dots(QD) realized on semiconductor moiré superlattices with a deep moiré potential. We ...; 关键词：moirésuperlattices quantum dots XY model

Materials and device engineering to achieve high-performance quantum dots light emitting diodes for display applications被引量：1: 《Chinese Physics B》2023年第12期1-13,共13页韩长峰钱若曦向超宇钱磊; Project supported by Leading innovation and entrepreneurship team of Zhejiang Province of China (Grant No.2021R01003);Science and Technology Innovation 2025 Major Project of Ningbo (Grant No.2022Z085);Ningbo 3315 Programme (Grant No.2020A-01-B);YONGJIANG Talent Introduction Programme (Grant No.2021A-038-B);Zhujiang Talent Programme (Grant No.2016LJ06C621)。; Quantum dots(QDs)have attracted wide attention from academia and industry because of their advantages such as high emitting efficiency,narrow half-peak width,and continuously adjustable emitting wavelength.QDs light e...; 关键词：quantum dots light emitting diodes device engineering

Real-time dynamics in strongly correlated quantum-dot systems: 《Chinese Physics B》2023年第12期517-523,共7页程永喜李振华魏建华罗洪刚; Project supported by the National Natural Science Foundation of China (Grant Nos.11804245,11747098,11774418,12247101,and 12047501);the Scientific and Technologial Innovation Programs of Higher Education Institutions of Shanxi Province,China (Grant No.2021L534);the Fund from the Ministry of Science and Technology of China (Grant No.2022YFA1402704)。; We investigate the real-time dynamical properties of Rabi-type oscillation through strongly correlated quantum-dot systems by means of accurate hierarchical equations of motion.It is an extension of the hierarchical L...; 关键词：quantum dots mesoscopic transport DECOHERENCE

High-temperature continuous-wave operation of 1310 nm InAs/GaAs quantum dot lasers: 《Chinese Physics B》2023年第9期510-513,共4页苏向斌邵福会郝慧明刘汗青李叔伦戴德炎尚向军王天放张宇杨成奥徐应强倪海桥丁颖牛智川; the Science and Technology Program of Guangzhou(Grant No.202103030001);the KeyArea Research and Development Program of Guangdong Province(Grant No.2018B030329001);the National Natural Science Foundation of China(Grant Nos.62035017,61505196,and 62204238);the Scientific Instrument Developing Project of the Chinese Academy of Sciences(Grant No.YJKYYQ20170032);the Major Program of the National Natural Science Foundation of China(Grant Nos.61790580 and 61790581);the Chinese Academy of Sciences and Changchun City Science and Technology Innovation Cooperation Project(Grant No.21SH06);Jincheng Key Research and Development Project(Grant No.20210209);the Key R&D Program of Shanxi Province(Grant No.202102030201004);the R&D Program of Guangdong Province(Grant Nos.2018B030329001 and2020B0303020001);Shenzhen Technology Research Project(Grant No.JSGG20201102145200001);the National Key Technologies R&D Program of China(Grant No.2018YFA0306100)。; Here we report 1.3μm electrical injection lasers based on InAs/GaAs quantum dots(QDs)grown on a GaAs substrate,which can steadily work at 110-℃without visible degradation.The QD structure is designed by applying the...; 关键词：InAs/GaAs quantum dots high-operating-temperature laser molecular beam epitaxy(MBE)

Chiral current regulation and detection of Berry phase in triangular triple quantum dots: 《Chinese Physics B》2023年第8期91-97,共7页齐月刘一铭王援东魏建华朱振刚; Project supported by the National Natural Science Foundation of China(Grant Nos.11774418,11374363,11674317,11974348,11834014,and 21373191);the Strategic Priority Research Program of CAS(Grant Nos.XDB28000000 and XDB33000000);the Training Program of Major Research Plan of NSFC(Grant No.92165105)。; Based on the hierarchical equations of motion(HEOM)calculation,we theoretically investigate the corresponding control of a triangular triple-quantum-dots(TTQD)ring which is connected to two reservoirs.We initially dem...; 关键词：chiral current Berry phase quantum dots quantum computation

Electron beam pumping improves the conversion efficiency of low-frequency photons radiated by perovskite quantum dots: 《Chinese Physics B》2023年第4期754-761,共8页杜鹏母一宁任航 Idelfonso Tafur Monroy 李彦正樊海波王帅 Makram Ibrahim 梁栋; funded by the National Natural Science Foundation of China(Grant Nos.61905026,61703057,11874091,and 61905023);the National Key Research and Development Program of China(Grant No.2018YFB1800303);Construction Project of Key Laboratory of Astronomical Optics Technology of Chinese Academy of Sciences(Grant No.CAS-KLAOTKF201803);Chongqing Natural Science Foundation of China(Grant No.CSTC2021JCYJMSXMX0500);Foundation Project of Jilin Province,China(Grant Nos.20210402067GH,JJKH20210830KJ,JJKH20210800KJ,20200301065RQ,20190201188JC,and2019C043-6)。; This research argues that using an electron beam with high kinetic energy to pump perovskite quantum dots can significantly boost the efficiency of the low-frequency photon radiation conversion.Firstly,we measure the ...; 关键词：electron beam perovskite quantum dots THZ

Adaptive genetic algorithm-based design of gamma-graphyne nanoribbon incorporating diamond-shaped segment with high thermoelectric conversion efficiency: 《Chinese Physics B》2023年第4期109-117,共9页陆静远崔春凤欧阳滔李金何朝宇唐超钟建新; Project supported by the National Natural Science Foundation of China(Grant Nos.11974300,11974299,12074150);the Natural Science Foundation of Hunan Province,China(Grant No.2021JJ30645);Scientific Research Fund of Hunan Provincial Education Department(Grant Nos.20K127,20A503,and 20B582);Program for Changjiang Scholars and Innovative Research Team in University(Grant No.IRT13093);the Hunan Provincial Innovation Foundation for Postgraduate(Grant No.CX20220544);Youth Science and Technology Talent Project of Hunan Province,China(Grant No.2022RC1197)。; The gamma-graphyne nanoribbons(γ-GYNRs) incorporating diamond-shaped segment(DSSs) with excellent thermoelectric properties are systematically investigated by combining nonequilibrium Green’s functions with adaptive...; 关键词：adaptive genetic algorithm thermoelectric material diamond-like quantum dots gamma-graphyne nanoribbon

Ion migration in metal halide perovskite QLEDs and its inhibition: 《Chinese Physics B》2023年第1期11-21,共11页董宇辉严丹妮杨帅魏乃炜邹友生曾海波; supported by the Natural Natural Science Foundation of China (Grant Nos.61904081 and 51672132);the Natural Science Foundation of Jiangsu Province,China (Grant No.BK20190449);the Postdoctoral Research Funding Program of Jiangsu Province,China (Grant No.2020Z144)。; Benefiting from the excellent properties such as high photoluminescence quantum yield(PLQY), wide gamut range,and narrow emission linewidth, as well as low-temperature processability, metal halide perovskite quantum d...; 关键词：perovskite quantum dots light-emitting diodes ion migration STABILITY

Nonlinear optical rectification of GaAs/Ga_(1-x)Al_(x)As quantum dots with Hulthén plus Hellmann confining potential: 《Chinese Physics B》2023年第1期454-457,共4页段一名李学超; Project supported by the National Natural Science Foundation of China (Grant Nos.51702003,61775087,11674312,52174161,and 12174161)。; We investigate the nonlinear optical rectification(NOR) of spherical quantum dots(QDs) under Hulthén plus Hellmann confining potential with the external tuning elements. Energy and wavefunction are determined by usin...; 关键词：nonlinear optical rectification quantum dots Hulthén plus Hellmann potential Nikiforov–Uvarov method

High-fidelity quantum sensing of magnon excitations with a single electron spin in quantum dots: 《Chinese Physics B》2022年第12期50-55,共6页Le-Tian Zhu Tao Tu Ao-Lin Guo Chuan-Feng Li; Project supported by the National Natural Science Foundation of China(Grant No.11974336);the National Key Research and Development Program of China(Grant No.2017YFA0304100); Single-electron spins in quantum dots are the leading platform for qubits,while magnons in solids are one of the emerging candidates for quantum technologies.How to manipulate a composite system composed of both syste...; 关键词：quantum sensing magnons excitations spin qubits in quantum dots

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