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BANDS: 作品数：422被引量：287H指数：7; 导出分析报告; 相关领域：理学更多>>; 相关作者：曾立英周廉葛鹏杨冠军毛小南更多>>; 相关机构：西安建筑科技大学西北有色金属研究院南京师范大学绵阳南山中学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金中国航空科学基金更多>>

Optical signature of flat bands in topological hourglass semimetal Nb_(3)SiTe_(6): 《Chinese Physics B》2025年第2期388-392,共5页Shize Cao Cuiwei Zhang Yueshan Xu Jianzhou Zhao Youguo Shi Yun-Ze Long Jianlin Luo Zhi-Guo Chen; Project supported by the Guangdong Basic and Applied Basic Research Foundation (Grant No. 2021B1515130007);the National Natural Science Foundation of China (Grant Nos. U21A20432 and 52273077);the National Key Research and Development Program of China (Grant No. 2022YFA1403800);the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No. XDB33000000)。; Flat electronic bands in condensed matter provide a rich avenue for exploring novel quantum phenomena. Here, we report an optical spectroscopy study of a topological hourglass semimetal Nb_(3)SiTe_(6) with the electri...; 关键词：flat band topological semimetal optical spectroscopy

Alternating spin splitting of electronic and magnon bands in two-dimensional altermagnetic materials: 《Chinese Physics B》2024年第9期194-198,共5页Qian Wang Da-Wei Wu Guang-Hua Guo Meng-Qiu Long Yun-Peng Wang; the National Natural Science Foundation of China(Grant No.12004439);Hunan Province Postgraduate Research and Innovation Project(Grant No.CX20230229);the computational resources from the High Performance Computing Center of Central South University.; Unconventional antiferromagnetism dubbed as altermagnetism was first discovered in rutile structured magnets,which is featured by spin splitting even without the spin–orbital coupling effect.This interesting phenomen...; 关键词：two-dimensional altermagnetic materials altermagnetism spin splitting first-principles calculations

Observation of parabolic electron bands on superconductor LaRu_(2)As_(2): 《Chinese Physics B》2024年第7期60-64,共5页周兴泰李更潘禄禄陈子超李萌时延昊杨海涛高鸿钧; Project supported by the National Natural Science Foundation of China(Grant Nos.62488201 and 52072401);the National Key R&D Program of China(Grant No.2019YFA0308500);the Chinese Academy of Sciences(Grant No.YSBR-003);the Innovation Program of Quantum Science and Technology(Grant No.2021ZD0302700)。; Ru-based superconductor LaRu_(2)As_(2) has been discovered exhibiting the highest critical temperature of ~ 7.8 K among iron-free transition metal pnictides with the ThCr_(2)Si_(2)-type crystal structure. However, mic...; 关键词：SUPERCONDUCTIVITY line defect quasi-particle scattering electron band

Machine learning of theΓ-point gap and flat bands of twisted bilayer graphene at arbitrary angles: 《Chinese Physics B》2023年第5期32-36,共5页马宵怡罗宇峰李梦可焦文艳袁红梅刘惠军方颖; the National Natural Science Foundation of China(Grant No.62074114)。; The novel electronic properties of bilayer graphene can be fine-tuned via twisting,which may induce flat bands around the Fermi level with nontrivial topology.In general,the band structure of such twisted bilayer grap...; 关键词：twisted bilayer graphene band gap flat bands machine learning

Erratum to“Floquet bands and photon-induced topological edge states of graphene nanoribbons”: 《Chinese Physics B》2021年第11期685-685,共1页Weijie Wang Xiaolong Lü Hang Xie; Figures 2(a)and 2(b)in our original paper[1] should be corrected by the following ones.In Figs.2(a)and 2(b),in the region of hω0>5.96γ0(phase A),the Chern number should be corrected to 1,as indicated in the paper an...; 关键词：Floquet bands GRAPHENE topological phase transition edge states

Bilayer twisting as a mean to isolate connected flat bands in a kagome lattice through Wigner crystallization: 《Chinese Physics B》2021年第7期5-10,共6页Jing Wu Yue-E Xie Ming-Xing Chen Jia-Ren Yuan Xiao-Hong Yan Sheng-Bai Zhang Yuan-Ping Chen; the National Natural Science Foundation of China(Grant No.11874314);supported by U.S.DOE under Grant No.DE-SC0002623。; The physics of flat band is novel and rich but difficult to access.In this regard,recently twisting of bilayer van der Waals(vd W)-bounded two-dimensional(2 D)materials has attracted much attention,because the reducti...; 关键词：twisted bilayer kagome graphene flat bands Wigner crystallization

Magnon bands in twisted bilayer honeycomb quantum magnets: 《Chinese Physics B》2021年第7期11-17,共7页Xingchuan Zhu Huaiming Guo Shiping Feng; the National Natural Science Foundation of China(Grant Nos.11774019,11974051,and 11734002);the Fundamental Research Funds for the Central Universities and the HPC Resources at Beihang University;the National Key Research and Development Program of China(Grant No.2016YFA0300304)。; We study the magnon bands of twisted bilayer honeycomb quantum magnets using linear spin wave theory.Although the interlayer coupling can be ferromagnetic or antiferromagnetic,we keep the intralayer one ferromagnetic ...; 关键词：magnon bands twisted bilayer quantum magnets linear spin wave theory

Tunable bandgaps and flat bands in twisted bilayer biphenylene carbon: 《Chinese Physics B》2021年第7期451-455,共5页Ya-Bin Ma Tao Ouyang Yuan-Ping Chen Yue-E Xie; the National Natural Science Foundation of China(Grant No.11874314);the Natural Science Foundation of Hunan Province,China(Grant No.2018JJ2377)。; Owing to the interaction between the layers,the twisted bilayer two-dimensional(2 D)materials exhibit numerous unique optical and electronic properties different from the monolayer counterpart,and have attracted treme...; 关键词：twisted bilayer biphenylene carbon adjustable band gap flat bands

Floquet bands and photon-induced topological edge states of graphene nanoribbons被引量：1: 《Chinese Physics B》2021年第6期449-456,共8页Weijie Wang Xiaolong Lü Hang Xie; supported by the starting foundation of Chongqing University (Grant No. 0233001104429);the National Natural Science Foundation of China (Grant No. 11847301);the Fundamental Research Funds for the Central Universities,China (Grant No. 2020CQJQY-Z003)。; Floquet theorem is widely used in the light-driven systems. But many 2 D-materials models under the radiation are investigated with the high-frequency approximation, which may not be suitable for the practical experim...; 关键词：Floquet bands GRAPHENE topological phase transition edge states

Improvement of memory characteristics by employing a charge trapping layer with combining bent and flat energy bands: 《Chinese Physics B》2020年第4期471-476,共6页Zhen-Jie Tang Rong Li Xi-Wei Zhang; Project supported by the National Natural Science Foundation of China(Grant No.51402004);the Science and Technology Research Key Project of Education Department of Henan Province of China(Grant No.19A140001)。; Designed ZrxSi1-xO2 films with combining bent and flat energy bands are employed as a charge trapping layer for memory capacitors.Compared to a single bent energy band,the bandgap structure with combining bent and fla...; 关键词：NONVOLATILE MEMORY BENT and FLAT energy BANDS charge TRAPPING MEMORY capacitor

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