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Chemically induced large-gap quantum anomalous Hall insulator states in Ⅲ-Bi honeycombs

npj Computational Materials 2017年第1期3卷 130-136页

作者： Christian P.Crisostomo Zhi-Quan Huang Chia-Hsiu Hsu Feng-Chuan Chuang Hsin Lin Arun Bansil Department of Physics National Sun Yat-Sen UniversityKaohsiung 804Taiwan Multidisciplinary and Data science research Center National Sun Yat-Sen UniversityKaohsiung 804Taiwan Centre for Advanced 2D Materials and Graphene research Centre National University of SingaporeSingapore 117546Singapore Department of Physics National University of SingaporeSingapore 117542Singapore Department of Physics Northeastern UniversityBostonMA 02115USA

The search for novel materials with new functionalities and applications potential is continuing to *** anomalous Hall(QAH)effect was recently realized in magnetic topological insulators(TIs)but only at extremely low ***,based on our first-principles electronic structure calculations,we predict that chemically functionalized Ⅲ-Bi honeycombs can support large-gap QAH insulating ***,we show that functionalized AlBi and TlBi films harbor QAH insulator *** and InBi are identified as semimetals with non-zero Chern ***,TlBi exhibits a robust QAH phase with a band gap as large as 466 meV in a buckled honeycomb structure functionalized on one ***,the electronic spectrum of a functionalized TlBi nanoribbon with zigzag edge is shown to possess only one chiral edge band crossing the Fermi level within the band *** results suggest that Ⅲ-Bi honeycombs would provide a new platform for developing potential spintronics applications based on the QAH effect.

关键词： effect insulator quantum

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Supramolecular polymeric materials based on macrocyclic hosts for cancer therapy

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Biomedical Engineering Communications 2023年第3期2卷 16-20页

作者： Sha Wu Miao-Miao Yan Jiong Zhou Department of Chemistry College of SciencesNortheastern UniversityShenyang 110819China Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications Jinan UniversityGuangzhou 510632China

All over the world,cancer has become the leading cause of human death and a major obstacle to improving life expectancy[1].Although the survival rate of cancer has been improved significantly thanks to the continued efforts of researchers,there is still a long way to go before cancer is completely cured[2,3].Surgery,radiotherapy,and chemotherapy are still the mainstays of cancer therapy[4,5].

关键词： Surgery chemotherapy death

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