检索结果-内蒙古大学图书馆

Fabrication and modulation of flexible electromagnetic metamaterials

Microsystems & Nanoengineering 2025年第1期11卷 45-64页

作者： Yanshuo Feng Misheng Liang Xiaoguang Zhao Rui You School of Instrument Science and Opto-Electronics Engineering Beijing Information Science and Technology University100192 BeijingChina Laboratory of Intelligent Microsystems Beijing Information Science and Technology University100192 BeijingChina Department of Precision Instrument Tsinghua University100084 BeijingChina Beijing Future Chip Technology Advanced Innovation Center 100192 BeijingChina

Flexible electromagnetic metamaterials are a potential candidate for the ideal material for electromagnetic control due to their unique physical properties and *** electromagnetic metamaterials can be designed to exhibit specific responses to electromagnetic waves within a particular frequency *** shows that flexible electromagnetic metamaterials exhibit significant electromagnetic control characteristics in microwave,terahertz,infrared and other frequency *** has a wide range of applications in the fields of electromagnetic wave absorption and stealth,antennas and microwave devices,communication information and other *** this review,the currently popular fabrication methods of flexible electromagnetic metamaterials are first summarized,highlighting the electromagnetic modulation capability in different frequency ***,the applications of flexible electromagnetic metamaterials in four aspects,namely electromagnetic stealth,temperature modulation,electromagnetic shielding,and wearable sensors,are elaborated and summarized in *** addition,this review also discusses the shortcomings and limitations of flexible electromagnetic metamaterials for electromagnetic ***,the conclusion and perspective of the electromagnetic properties of flexible electromagnetic metamaterials are presented.

关键词： electromagnetic waves electromagnetic control electromagnetic metamaterials modulation fabrication microwave flexible electromagnetic metamaterials

来源：评论

学校读者我要写书评

暂无评论

Regulating amorphous structure and mechanical strength induce enhanced interface chemistry toward long-life rechargeable aqueous Zn ion batteries

引用

Journal of Energy Chemistry 2025年第06期 617-629页

作者： Jingjing Wang Shuyue Hou Can Huang Tiezhong Liu Tongfei Shi Xin Wang Shuang Hou Lingzhi Zhao Guangdong Provincial Engineering Technology Research Center for Low Carbon and Advanced Energy Materials Guangdong Provincial Key Laboratory of Chip and Integration Technology School of Semiconductor Science and Technology South China Normal University School of Chemical Engineering and Light Industry Guangdong University of Technology Institute of Carbon Neutrality Zhejiang Wanli University

The effective optimization of Zn anode/protective layer interface stability,underpinned by an in-depth exploration of durable protection mechanisms,is crucial for developing artificial protective layers in high-performance aqueous Zn-ion batteries（AZIBs）.In this work,we present a self-regulating,continuous and dense amorphous Al2O3-x-2 layer(referred to as A-Al2O3-x-2 layer) with exceptional mechanical strength,achieved through core process *** and theoretical studies reveal that the amorphous structure of Al2O3-x-2,featuring stable oxygen vacancies,significantly enhances Zn2+transfer kinetics and promotes uniform *** unique structure guides controlled Zn deposition along the（002） plane,facilitating stable ***,the excellent mechanical strength of A-Al2O3-x-2@Zn is well maintained under extended cycling conditions,ensuring lasting interface integrity and durable *** a challenging current density of 60 mA cm-2,the A-Al2O3-x-2@Zn symmetric cell demonstrates an impressive cycling lifespan of 9620 ***,a full cell assembled with an A-Al2O3-x-2@Zn anode and an Al3+-doped MnO2cathode exhibits substantially improved cycling performance with 100% capacity retention after 900 cycles at 1 A g-1,underscoring the importance of the synergistic effects between anode and cathode materials in achieving long-life AZIBs,This work provides valuable insights into designing durable protective layers for Zn anodes in aqueous Zn-ion batteries.

关键词：

来源：评论

学校读者我要写书评

暂无评论

Performance of ultraviolet photodetectors based on sputtered CdZnTe films 5

Performance of ultraviolet photodetectors based on sputtered...

引用

5th International Conference on Optoelectronic Science and Materials, ICOSM 2023

作者： Li, Hongwei Huang, Haofei Lina, Azhati Xu, Ke Ding, Keke Zhang, Lei Tang, Ke Wang, Linjun Huang, Jian School of Materials Science and Engineering Shanghai University Shanghai200444 China Shanghai Collaborative Innovation Center of Intelligent Sensing Chip Technology Shanghai China Zhejiang Institute of Advanced Materials SHU Jiashan314113 China

ISBN: (纸本)9781510674547

High-quality CdZnTe (CZT) films were fabricated using the radio frequency magnetron sputtering technique. Ultraviolet (UV) photodetectors based on CZT films were fabricated with gallium-doped zinc oxide (GZO) and gold electrodes. The electrodes and film thickness on the performance of CZT film UV photodetectors was studied. The results indicate that GZO electrodes can form good ohmic contact with CZT, thereby enhancing the sensitivity and response of CZT photodetectors. An increase in film thickness improves the film quality, resulting in enhanced performance of CZT film UV photodetectors. © 2024 SPIE.

关键词： II-VI semiconductors

来源：评论

学校读者我要写书评

暂无评论

Effect of sputtering power on the properties of Al-doped Ga2O3 thin films 5

Effect of sputtering power on the properties of Al-doped Ga2...

引用

5th International Conference on Optoelectronic Science and Materials, ICOSM 2023

作者： Zhang, Lei Huang, Haofei Qian, Zhichao Wang, Mengqian Zhang, Wei Li, Hongwei Lina, Azhati Tang, Ke Wang, Linjun Huang, Jian School of Materials Science and Engineering Shanghai University Shanghai200444 China Shanghai Collaborative Innovation Center of Intelligent Sensing Chip Technology Shanghai China Zhejiang Institute of Advanced Materials SHU Jiashan314113 China

ISBN: (纸本)9781510674547

In this work, Al-doped Ga2O3 thin films were prepared on quartz substrates using radio frequency magnetron co-sputtering, and the influence of Al2O3 sputtering power on properties of the films was investigated. It was found that the Al content in the films increased with the increase in sputtering power, reaching 30.63 at.% at a sputtering power of 100 W. All the films prepared exhibited highly transparent in the visible and near-ultraviolet regions (>85%). In comparison to undoped Ga2O3 films, Al-doped Ga2O3 films exhibit a pronounced blue shift in their absorption edges, with the degree of blue shift increasing as the sputtering power is raised. © 2024 SPIE.

关键词： Gallium compounds

来源：评论

学校读者我要写书评

暂无评论

Polarization-controlled dual resonant lattice Kerker effects

引用

Nano Research 2023年第2期16卷 3195-3200页

作者： Lei Xiong Xueqian Zhao Xiang Du Shuai Chen Yuanfu Lu Hongwei Ding Guangyuan Li School of Information Science and Engineering Yunnan UniversityKunming 650500China CAS Key Laboratory of Human-Machine Intelligence-Synergy Systems Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China School of Computer Electronic and InformationGuangxi UniversityNanning 530004China College of Physics and Electronic Technology Anhui Normal UniversityWuhu 241000China Tianjin H-Chip Technology Group Corporation Tianjin 300467China SIAT Branch Shenzhen Institute of Artificial Intelligence and Robotics for SocietyShenzhen 518055China

The generalized Kerker effects have attracted increasing interests in recent years due to their abilities to manipulate the far-field properties of ***,the dual-polarized generalized Kerker effect enabling different tailoring of orthogonally-polarized electromagnetic waves has not yet been ***,we demonstrate polarization-controlled dual resonant lattice Kerker effects in periodic silicon *** varying the incident angle,the electric dipole and magnetic dipole surface lattice resonances can spectrally overlap,causing zero reflectance and unitary transmittance,i.e.,the resonant lattice Kerker *** incident angle for achieving this effect can be tuned differently for s-and p-polarizations over large regions by varying the nanodisk size or the lattice *** proposed dual-polarized resonant lattice Kerker effects open up avenues for polarization-controlled manipulation of the phase and wavefront of light with metasurfaces.

关键词： Kerker effect surface lattice resonances dual-polarized silicon metasurface

来源：评论

学校读者我要写书评

暂无评论

Thermoelectric Properties of n-type Full-Heusler Fe_(2-2x)Co_(2x) TiSn Prepared by an Ultra-fast Synthesis Process

引用

Journal of Wuhan University of technology(Materials Science) 2021年第4期36卷 497-504页

作者： ZHAO Dongyan CHEN Yanning WANG Yubo ZHANG Haifeng FU Zhen WANG Shuaipeng YU Wen DU Jian WANG Wenhe QIU Junhao YAN Yonggao Beijing Engineering Research Center of High-reliability IC with Power Industrial Grade Beijing Smart-Chip Microelectronics Technology Co.Ltd.Beijing 100192China Beijing Chip Identification Technology Co. Ltd.Beijing102200China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China

Full-Heusler alloy Fe_(2)TiSn was predicted to be a potential thermoelectric material with high mechanical properties and ***_(2)TiSn was usually prepared by arc-melting followed by annealing for 2 weeks,which takes a long time and consumes a large amount of *** this paper,Fe_(2)TiSn was prepared by an ultra-fast method,self-propagating high-temperature synthesis (SHS) combined with spark plasma *** bulk materials with uniform element distribution,well controlled composition and relative densities of over 97.5% were *** undoped Fe_(2)TiSn samples show p-type transport *** was heavily doped at the Fe site to prepare n-type Fe_(2-2x)Co_(2x) TiSn *** thermoelectric properties measurements carried out on the Co-doped samples show a highest ZT=0.02 at 300 K,which is about tripe the performance of the pristine Fe_(2)*** study provides a new approach for the rapid and low-cost preparation of full-Heusler thermoelectric materials.

关键词： thermoelectric full-Heusler Fe2TiSn SHS thermoelectric properties

来源：评论

学校读者我要写书评

暂无评论

High-performance violet phosphorus photodetectors with van der Waals-assisted contacts

引用

Science China(Physics,Mechanics & Astronomy) 2023年第9期66卷 86-93页

作者： Hao Wang Shuling Liu Peng Wang Haonan Ge Yue Chen Hailu Wang Tengfei Xu Jiaxiang Guo Yuanchen Zou Wenrui Wei Ruiqi Jiang Fang Wang Piotr Martyniuk Jinshui Miao Weida Hu State Key Laboratory of Infrared Physics Shanghai Institute of Technical PhysicsChinese Academy of SciencesShanghai 200083China School of Physics and Photoelectric Engineering Hangzhou Institute for Advanced StudyUniversity of Chinese Academy of SciencesHangzhou 310024China Institute of Applied Physics Military University of TechnologyWarsaw 00-908Poland Frontier Institute of Chip and System Fudan UniversityShanghai 200438China School of Microelectronics Shanghai UniversityShanghai 201800China University of Chinese Academy of Sciences Beijing 100049China

Black phosphorus(BP) as a narrow-bandgap two-dimensional semiconductor material has been extensively studied. And the allotrope violet phosphorus(VP) exhibits wide bandgap properties extending the application in the visible light band. However,due to the Schottky barrier of metal/semiconductor contacts(M/S), further device application of VP is limited. Here, VP-based photodetectors with van der Waals-assisted contact were demonstrated, achieving quasi-Ohmic M/S contacts. The output characteristics in dark conditions show ultralow current at the pA level. And the device exhibits a high current on-off ratio of 10~5and a fast response speed of 8.4 ms. Furthermore, we constructed the first allotropic photodetector based on BP and VP heterojunction. The device maintains ultralow dark current(~ pA) while exhibiting faster carrier transport, with 945 μs response time and polarization detection capability. These results offer an effective way to study the optoelectronic properties of VP and promote the study of allotropic heterojunction devices.

关键词： violet phosphorus two-dimensional materials photodetectors Ohmic contact allotropic heterojunction

来源：评论

学校读者我要写书评

暂无评论

Warpage Analysis of Thermo-compression Bonding on Coreless Substrates (IMPACT 2024) 19

Warpage Analysis of Thermo-compression Bonding on Coreless S...

引用

19th International Microsystems, Packaging, Assembly and Circuits technology Conference, IMPACT 2024

作者： Lee, Yu-Cheng Wu, Cheng-Zhi Chen, Gao-Xin Tsai, Ruenn-Bo Institute of Advanced Semiconductor Packaging and Testing College of Semiconductor and Advanced Technology Research National Sun Yat-sen University No.70 Lienhai Rd. Gushan Dist. Kaohsiung City804 Taiwan Ase Group Kaohsiung A Iii Flip Chip Assembly Process Engineering Div. No.26 Chin 3rd Rd. Nantze Export Processing Zone Kaohsiung811 Taiwan

ISBN: (纸本)9798331532246

Thermo-compression bonding (TCB) technology has been used in flip chip (FC) package for high volume manufacturing especially in advanced heterogeneous integration packaging. FC package provides the advantages of lower profile, higher inputs/outputs, and higher electrical performance demanded in the high frequency/speed and great bandwidth of high-performance computing (HPC) and artificial intelligence (AI) applications. To meet these requirements, a coreless substrate is also employed in the FC package by the TCB process to achieve high electrical performance and multiple function of module, such as CoWoS (chip-on-Wafer-on-Substrate). Similar advanced package or module like as CoWoS or FOCoS (Fan-Out chip on Substrate) has been presented and utilized with coreless substrate in recent years. Thermal warpage issues due to mismatch of thermal expansion coefficient (CTE) in various package materials are seriously encountered. In this paper, thermal warpage analyses of a large die bonded on coreless substrate under TCB process are presented. These analyses are simulated and measured by shadow moiré. Method of improving the vacuum mechanism of the bond stage to suppress the warpage of coreless substrate is also proposed. © 2024 IEEE.

关键词： Substrates

来源：评论

学校读者我要写书评

暂无评论

Continuous-wave operation of InAs/InP quantum dot tunable external-cavity laser grown by metal-organic chemical vapor deposition

引用

Chinese Physics B 2021年第1期30卷 568-571页

作者： Yan Wang Shuai Luo Haiming Ji Di Qu Yidong Huang Innovation Center of Advanced Optoelectronic Chip Institute for Electronics and Information Technology in TianjinTsinghua UniversityTianjin 300467China Tianjin H-Chip Technology Group Corporation Tianjin 300467China Department of Electronic Engineering Tsinghua UniversityBeijing 100084China Key Laboratory of Semiconductor Materials Science Institute of SemiconductorsChinese Academy of SciencesBeijing 100083China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049China

We demonstrate high-performance broadband tunable external-cavity lasers(ECLs) with the metal-organic chemical vapor deposition(MOCVD) grown In As/In P quantum dots(QDs) structures. Without cavity facet coatings, the 3-d B spectral bandwidth of the Fabry–Perot(FP) laser is approximately 10.8 nm, while the tuning bandwidth of ECLs is 45 *** with the anti-reflection(AR)/high-reflection(HR) facet coating, a 92 nm bandwidth tuning range has been obtained with the wavelength covering from 1414 nm to 1506 nm. In most of the tuning range, the threshold current density is lower than 1.5 k A/cm2. The maximum output power of 6.5 m W was achieved under a 500 m A injection *** achievements mentioned above were obtained under continuous-wave(CW) mode at room temperature(RT).

关键词： InAs/InP quantum dot external-cavity laser continuous-wave operation metal-organic chemical vapor deposition

来源：评论

学校读者我要写书评

暂无评论

Ion compaction effect in hollow FePt nanochains with ultrathin shell under low energy ion irradiation

引用

Nano Research 2022年第10期15卷 9309-9318页

作者： Jialong Liu Jianguo Wu Long Cheng Suyun Niu Zhiqiang Wang Mengyuan Zhu Jingyan Zhang Shouguo Wang Wei Wang School of Mathematics and Physics Beijing University of Chemical TechnologyBeijing 100029China Key Laboratory of Shale Gas and Engineering Institute of Geology and GeophysicsChinese Academy of SciencesBeijing 100029China Innovation Academy for Earth Science Chinese Academy of SciencesBeijing 100029China School of Physics Beihang UniversityBeijing 100029China Beijing Hangxing Machinery Manufacturing Co. Ltd.Beijing 100013China Beijing Smart-chip Microelectronics Technology Co. Ltd.Beijing 100192China Beijing Advanced Innovation Center for Materials Genome Engineering School of Materials Science and EngineeringUniversity of Science and Technology BeijingBeijing 100083China

The morphology manipulation of nanomaterials by ion irradiation builds a way to precisely control physicochemical *** the continuous irradiation of low energy Ga+,Ne+,and He+ions,an ion compaction effect has been found in hollow FePt nanochains with ultrathin shell that the volumes of the nanochains are gradually compacted by *** deep learning algorithm has been successfully applied to automatically and precisely measure average sizes of spheres in hollow FePt *** compaction under ion irradiation is very fast in the very early period and then proceeds to a slow *** compaction rates in both regions are linearly fitted and all the values are in the order of 10^(–17) to 10^(–14) cm^(2)/*** species and ion current have effect on the compaction *** example,the compaction rate of Ga+ions is larger than those of Ne+and He+ions under an identical current,while irradiation with larger current can compact nanochains *** ion compaction effect originates from the local shear deformation caused by the interaction between incident ions and the electrons of Fe and Pt atoms in the ultrathin *** continuous irradiation,the crystalline clusters of FePt nanchains firstly grow larger and then become *** ion compaction effect can be applied to tune the size and crystal structure of hollow structures with a precise rate by choosing appropriate ion species and current.

关键词： ion compaction effect hollow structure ion irradiation FePt

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：