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2024 International Conference on New Power System and Power Electronics, NPSPE 2024

作者： Li, Zilong Zhang, Chijun Yang, Lingfeng Lin, Xiaoqing Zhang, Chengfeng Guangdong University of Technology School of Computer Science Guangzhou China Sun Yat Sen University School of Information Management Guangzhou China Guangdong University of Technology School of Physics and Optoelectronic Engineering Guangzhou China Gansu Agricultural University College of Mechanical and Electrical Engineering Guangzhou China Dalian University of Technology School of Electrical Engineering Dalian China

ISBN: (纸本)9798350389869

With the continuous growth of energy demand and the deteriorating environmental problems, distributed photovoltaic power generation is regarded as effective way to solve the problems. But at the on-site consumption of distributed photovoltaic power generation, it is a very difficult to find the optimum solution. In this paper, it's based on Pareto Las multi-objective optimization method. When decision-makers do not have sufficient information about the importance of different target directions, the Pareto method can comprehensively consider different indicators and provide a non-inferior set of solutions for decision-making, and use mathematical generation methods to generate different corresponding parameters in the solutions, and then evaluate the model and algorithm methods. By comparing the different proposals to find the most suitable distributed photovoltaic on-site consumption and absorption. It is shown that an appropriately selected Pareto distributed PV on-site consumption and absorption methodology is the opposite of a program selection scheme based on the weighting of various metrics. This approach maximizes the use of various solar resources and reduces their economic costs. © 2024 IEEE.

关键词： distributed photovoltaic distribution area optimal on-site consumption and absorption pareto optimization

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Asymmetric magnetoimpedance effect and dipolar interactions of FINEMET/SiO_(2)/FePd composite ribbons

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Chinese physics B 2023年第7期32卷 347-352页

作者：郭永斌王岛王忠民马垒赵振杰 Key Laboratory of UWB&THz of Shandong Academy of Sciences Institute of AutomationQilu University of Technology(Shandong Academy of Sciences)Jinan 250014China College of Science Qiongtai Normal UniversityHaikou 571127China School of Materials Science and Engineering Guilin University of Electronic TechnologyGuilin 541004China Engineering Research Center for Nanophotonics and Advanced Instrument School of Physics and Electronic ScienceEast China Normal UniversityShanghai 200241China

The dipolar interactions are investigated through the asymmetric magneto-impedance in FINEMET/SiO_(2)/FePd composite *** interface between the hard(FePd layer)phase and soft(FINEMET ribbon)phase is coherent by SiO_(2)layer in FINEMET/SiO_(2)/FePd composite ribbons,which effectively induces dipolar *** contribution of dipolar interaction to the bias field(Hb)by asymmetrical giant magneto-impedance and magnetic properties is *** results show that Hb response decreases with the increase of the SiO_(2)layer thickness,indicating that the linear region near-zero field can be tuned by the thickness of SiO_(2)*** results allow the GMI ratio(58%)and characteristic frequency(500 kHz)to be *** transverse and longitudinal magnetic domain structures of FINEMET ribbon and FePd film are confirmed,*** composite ribbons with high GMI ratio and low frequency can be applied to linear magnetic sensors.

关键词： asymmetric giant magnetoimpedance FePd film composite ribbons

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Self-powered sensor based on compressible ionic gel electrolyte for simultaneous determination of temperature and pressure

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InfoMat 2024年第7期6卷 62-75页

作者： Junjie Zou Yanan Ma Chenxu Liu Yimei Xie Xingyao Dai Xinhui Li Shuxuan Li Shaohui Peng Yang Yue Shuo Wang Ce-Wen Nan Xin Zhang State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Center of Smart Materials and Devices&International School of Materials Science and EngineeringWuhan University of TechnologyWuhanthe People's Republic of China Hubei Key Laboratory of Energy Storage and Power Battery School of MathematicsPhysics and Optoelectronic EngineeringHubei University of Automotive TechnologyShiyanthe People's Republic of China Information Materials and Intelligent Sensing Laboratory of Anhui Province Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of EducationInstitutes of Physical Science and Information TechnologyAnhui UniversityHefeithe People's Republic of China State Key Lab of New Ceramics and Fine Processing School of Materials Science and EngineeringTsinghua UniversityBeijingthe People's Republic of China

The simultaneous detection of multiple stimuli,such as pressure and temperature,has long been a persistent challenge for developing electronic skin(eskin)to emulate the functionality of human ***,the demand for integrated power supply units is an additional pressing concern to achieve its lightweightness and ***,we propose a self-powered dual temperature–pressure(SPDM)sensor,which utilizes a compressible ionic gel electrolyte driven by the potential difference between MXene and Al *** SPDM sensor exhibits a rapid and timely response to changes in pressure-induced deformation,while exhibiting a slow and hysteretic response to temperature *** distinct response characteristics enable the differentiation of current signals generated by different stimuli through machine learning,resulting in an impressive accuracy rate of 99.1%.Furthermore,the developed SPDM sensor exhibits a wide pressure detection range of 0–800 kPa and a broad temperature detection range of 5–75C,encompassing the environmental conditions encountered in daily human *** dual-mode coupled strategy by machine learning provides an effective approach for temperature and pressure detection and discrimination,showcasing its potential applications in wearable electronics,intelligent robots,human–machine interactions,and so on.

关键词： e-skin gel electrolyte machine learning self-powered dual-mode sensor

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Work-function effect of Ti_(3)C_(2)/Fe-N-C inducing solid electrolyte interphase evolution for ultra-stable sodium storage

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Nano Research 2024年第8期17卷 7163-7173页

作者： Huicong Xia Lingxing Zan Hongliang Dong Yifan Wei Yue Yu Jinfu Shu Jia-Nan Zhang Chong-Xin Shan Key Laboratory of Advanced Energy Catalytic and Functional Material Preparation of Zhengzhou College of Materials Science and EngineeringZhengzhou UniversityZhengzhou 450001China Key Laboratory of Materials Physics of Ministry of Education School of Physics and MicroelectronicsZhengzhou UniversityZhengzhou 450001China Key Laboratory of Chemical Reaction Engineering of Shaanxi Province College of Chemistry and Chemical EngineeringYan’an UniversityYan’an 716000China Center for High Pressure Science and Technology Advanced Research PudongShanghai 201203China Key Laboratory of Advanced Energy Materials Chemistry(Ministry of Education) Nankai UniversityTianjin 300071China

In the quest to enhance the efficiency of sodium-ion batteries,the dynamics of solid electrolyte interphase(SEI)formation are of paramount *** SEI layer’s integrity is integral to the charge–discharge efficiency and the overall longevity of the ***,a novel two-dimensional Ti_(3)C_(2) fragments enmeshed on iron-nitrogen-carbon(Fe-N-C)nanosheets(Ti_(3)C_(2)/Fe-NC)has been *** electrode features a matrix which has been shown to expedite SEI layer formation through the facilitation of selective anion adsorption,thus augmenting battery *** functional theory calculation reveals that the SEI evolution energy of NaPF6 at the Ti_(3)C_(2)/Fe-N-C interface is 0.81 eV,significantly lower than the Ti_(3)C_(2)(1.23 eV).This process is driven by the electron transportation from Ti_(3)C_(2) to Fe-N-C substrate,facilitated by their work-function difference,leading to the formation of ferromagnetic Fe species,which possesses Fe 3d d_(xz)d_(z)2 orbitals and undergoes hybridization with theπandσorbitals of NaF,creating a key intermediate during *** process diminishes the antibonding energy and attenuates the orbital interaction with NaF,thus reducing the activation energy and improving the SEI formation reaction ***,it leads to the creation of multi-interface SEI characterized by high-throughput ion transport and an efficient reaction network.

关键词： Ti_(3)C_(2)/Fe-N-C heterostructure work-function electron interaction solid electrolyte interphase sodium storage

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Magnon, doublon and quarton excitations in 2D S=1/2 trimerized Heisenberg models

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Frontiers of physics 2024年第6期19卷 139-156页

作者： Yue-Yue Chang Jun-Qing Cheng Hui Shao Dao-Xin Yao Han-Qing Wu Guangdong Provincial Key Laboratory of Magnetoelectric Physics and Devices State Key Laboratory of Optoelectronic Materials and TechnologiesCenter for Neutron Science and Technology.School of PhysicsSun Yat-sen UniversityGuangzhou 510275China School of Physical Sciences Great Bay UniversityDongguan 523000China&Great Bay Institute for Advanced StudyDongguan 523000China Center for Advanced Quantum Studies Department of PhysicsBeijing Normal UniversityBeijing 100875China Key Laboratory of Multiscale Spin Physics Ministry of EducationBeijing 100875China International Quantum Academy Shenzhen 518048China

We investigate the magnetic excitations of the two-dimensional(2D)S=1/2 trimerized Heisenberg models with intratrimer interaction J_(1) and inter-trimer interaction J_(2) on four different lattices using a combination of stochastic series expansion quantum Monte Carlo(SSE QMC)and stochastic analytic continuation methods(SAC),complemented by cluster perturbation theory(CPT).These models exhibit quasi-particle-like excita-tions when g=J_(2)/J_(1) is weak,characterized by low-energy magnons,inter-mediate-energy doublons,and high-energy *** low-energy magnons are associated with the magnetic ground *** can be described by the linear spin wave theory(LSWT)of the effective block spin model and the original spin *** and quartons emerge from the corresponding internal excitations of the trimers with distinct energy levels,which can be effectively analyzed using perturbative calcu-lation when the ratio of exchange interactions g is *** this weak g regime,we observe a clear separation between the magnon and higher-energy *** g increases,doublon and quarton gradually merge into the magnon modes or some ***,in the Collinear Ⅱ and trimerized Hexagon lattice,a broad continuum emerges above the single-magnon spectrum,originating from the quasi-1D physics due to the dilute connections between *** addition,we also compare our numerical results to the experimental RIxS spectrum and analyze the *** numerical analysis of these 2D trimers yields valuable theoretical predic-tions and explanations for the inelastic neutron scattering(INS)spectra of 2D magnetic materials featuring trimerized lattices.

关键词： quantum Monte Carlo trimerized Heisenberg model

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Graphene/silicon heterojunction enabling reconfigurable phase-relevant optical activation function

Graphene/silicon heterojunction enabling reconfigurable phas...

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CLEO: science and Innovations in CLEO 2024, CLEO: S and I 2024 - Part of Conference on Lasers and Electro-Optics

作者： Zhong, Chuyu Liao, Kun Wei, Maoliang Ma, Hui Hu, Xiaoyong Lin, Hongtao College of Integrated Circuits and Optoelectronic Chips Shenzhen Technology University Shenzhen518118 China College of Information Science and Electronic Engineering Zhejiang University Hangzhou310027 China School of Physics Peking University Beijing100871 China

Dual-functional graphene/silicon heterojunctions in microring resonators enabled highly reconfigurable optical activation function devices with phase activation. Special nonlinear functions are fed into a complex-valued ONN to challenge image recognition tasks, showing improved results. © Optica Publishing Group 2024

关键词： Image enhancement

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Emerging of two-dimensional materials in novel memristor

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Frontiers of physics 2022年第2期17卷 107-120页

作者： Zhican Zhou Fengyou Yang Shu Wang Lei Wang Xiaofeng Wang Cong Wang Yong Xie Qian Liu MOE Key Laboratory of Weak-Light Nonlinear Photonics Department of PhysicsNankai UniversityTianjin 300071China CAS Center for Excellence in Nanoscience National Center for Nanoscience and TechnologyUniversity of Chinese Academy of SciencesBeijing 100190China College of Mathematics and Physics Shandong Advanced Optoelectronic Materials and Technologies Engineering LaboratoryQingdao University of Science and TechnologyQingdao 266061China College of Mathematics and Physics Beijing University of Chemical TechnologyBeijing 100029China School of Physics Beihang UniversityBeijing 100191China

The rapid development of big-data analytics(BDA),internet of things(IoT)and artificial intelligent technology(AI)demand outstanding electronic devices and systems with faster processing speed,lower power consumption,and smarter computer ***,as a promising Non-Volatile Memory(NVM)device,can effectively mimic biological synapse,and has been widely studied in recent *** appearance and development of two-dimensional materials(2D material)accelerate and boost the progress of memristor systems owing to a bunch of the particularity of 2D material compared to conventional transition metal oxides(TMOs),therefore,2D material-based memristors are called as new-generation intelligent *** this review,the memristive(resistive switching)phenomena and the development of new-generation memristors are demonstrated involving graphene(GR),transition-metal dichalcogenides(TMDs)and hexagonal boron nitride(h-BN)based ***,the related progress of memristive mechanisms is remarked.

关键词： memristor resistive switching 2D material switching mechanism conductive channel

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DIFNet:SAR RFI suppression network based on domain invariant features

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红外与毫米波学报 2024年第6期43卷 775-783页

作者： LYU Wen-Hao FANG Fu-Ping TIAN Yuan-Rong School of Electronic Science National University of Defense TechnologyChangsha 410073China University of Chinese Academy of Sciences Beijing 100049China School of physics and optoelectronic Engineering Hangzhou Institute for Advanced StudyUniversity of Chinese Academy of SciencesHangzhou 310024China

Synthetic aperture radar(SAR)is a high-resolution two-dimensional imaging ***,during the imaging process,SAR is susceptible to intentional and unintentional interference,with radio frequency inter⁃ference(RFI)being the most common type,leading to a severe degradation in image *** address the above problem,numerous algorithms have been *** inpainting networks have achieved excellent results,their generalization is *** they still work effectively in cross-sensor experiments needs fur⁃ther *** the time-frequency analysis to interference signals,this work finds that interference holds domain invariant features between different ***,this work reconstructs the loss function and extracts the domain invariant features to improve its ***,this work proposes a SAR RFI suppression method based on domain invariant features,and embeds the RFI suppression into SAR imaging pro⁃*** to traditional notch filtering methods,the proposed approach not only removes interference but also effectively preserves strong scattering *** to PISNet,our method can extract domain invariant features and hold better generalization ability,and even in the cross-sensor experiments,our method can still achieve excellent *** cross-sensor experiments,training data and testing data come from different radar platforms with different parameters,so cross-sensor experiments can provide evidence for the generalization.

关键词： synthetic aperture radar radio frequency interference suppression domain invariant features SAR imaging

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Review of 2D Bi_(2)X_(3)(X=S,Se,Te):from preparation to photodetector

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Rare Metals 2024年第6期43卷 2349-2370页

作者： Zhi Zeng Dong-Bo Wang Xuan Fang Jia-Mu Cao Bing-Ke Zhang Jing-Wen Pan Dong-Hao Liu Si-Hang Liu Shu-Jie Jiao Tian-Yuan Chen Gang Liu Lian-Cheng Zhao Jin-Zhong Wang Department of Optoelectronic Information Science School of Materials Science and EngineeringHarbin Institute of TechnologyHarbin 150001China Changchun University Science and Technology School of PhysicsThe State Key Laboratory of High Power Semiconductor LasersChangchun 130022China School of Astronautics Harbin Institute of TechnologyHarbin 150001China Center for High Pressure Science and Technology Advanced Research Shanghai 201203China

Detector has become an indispensable part of human *** increasing demand for photodetectors with high performance has promoted the research of novel *** the same time,with the development of rising material system,two-dimensional(2D)materials attract a lot of attention,while the suitable option for fabricating photodetector is still *** prospering of bismuth chalcogenides injected new vitality for material field,thereinto,the unique topological insulator characteristics make the research on bismuth selenide(Bi_(2)X_(3))and bismuth telluride(Bi_(2)X_(3)) intriguing.2D Bi_(2)X_(3) also exhibits unique features among various 2D materials,of which,the adjustable narrow energy band gap and polarization-sensitive photocurrent contribute to the promising application of high performance and broadband *** this review,from a bottom-up perspective,we summarize fundamental properties,synthesis method,photodetector performance of 2D Bi_(2)X_(3) based on the previous study,which provide an overall perspective of 2D Bi_(2)X_(3).Wherein,the section of the photodetector is specifically discu ssed with regard to pure Bi_(2)X_(3) photodetector and heterojunction photodetector.A brief summary and outlook were also explored in the end.

关键词： Bi_(2)X_(3) Preparation 2D Photodetector

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Graphene/silicon heterojunction enabling reconfigurable phase-relevant optical activation function

Graphene/silicon heterojunction enabling reconfigurable phas...

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2024 Conference on Lasers and Electro-Optics, CLEO 2024

ISBN: (纸本)9781957171395

关键词： Heterojunctions

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