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Atomic-Scale Visualization of Quantum Interference on a Weyl Semimetal Surface by Scanning Tunneling Microscopy

Author(s): Zheng, Hao; Xu, Su-Yang; Bian, Guang; Guo, Cheng; Chang, Guoqing; et al

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dc.contributor.authorZheng, Hao-
dc.contributor.authorXu, Su-Yang-
dc.contributor.authorBian, Guang-
dc.contributor.authorGuo, Cheng-
dc.contributor.authorChang, Guoqing-
dc.contributor.authorSanchez, Daniel S-
dc.contributor.authorBelopolski, Ilya-
dc.contributor.authorLee, Chi-Cheng-
dc.contributor.authorHuang, Shin-Ming-
dc.contributor.authorZhang, Xiao-
dc.contributor.authorSankar, Raman-
dc.contributor.authorAlidoust, Nasser-
dc.contributor.authorChang, Tay-Rong-
dc.contributor.authorWu, Fan-
dc.contributor.authorNeupert, Titus-
dc.contributor.authorChou, Fangcheng-
dc.contributor.authorJeng, Horng-Tay-
dc.contributor.authorYao, Nan-
dc.contributor.authorBansil, Arun-
dc.contributor.authorJia, Shuang-
dc.contributor.authorLin, Hsin-
dc.contributor.authorHasan, M Zahid-
dc.identifier.citationZheng, Hao, Xu, Su-Yang, Bian, Guang, Guo, Cheng, Chang, Guoqing, Sanchez, Daniel S, Belopolski, Ilya, Lee, Chi-Cheng, Huang, Shin-Ming, Zhang, Xiao, Sankar, Raman, Alidoust, Nasser, Chang, Tay-Rong, Wu, Fan, Neupert, Titus, Chou, Fangcheng, Jeng, Horng-Tay, Yao, Nan, Bansil, Arun, Jia, Shuang, Lin, Hsin, Hasan, M Zahid. (2016). Atomic-Scale Visualization of Quantum Interference on a Weyl Semimetal Surface by Scanning Tunneling Microscopy. ACS Nano, 10 (1), 1378 - 1385. doi:10.1021/acsnano.5b06807en_US
dc.description.abstractWeyl semimetals may open a new era in condensed matter physics, materials science, and nano- technology after graphene and topological insulators. We report the fi rst atomic scale view of the surface states of a Weyl semimetal (NbP) using scanning tunneling microscopy/ spectroscopy. We observe coherent quantum interference patterns that arise from the scattering of quasiparticles near point defects on the surface. The measurements reveal the surface electronic structure both below and above the chemical potential in both real and reciprocal spaces. Moreover, the interference maps uncover the scattering processes of NbP ’ s exotic surface states. Through comparison between experimental data and theoretical calculations, we further discover that the orbital and/or spin texture of the surface bands may suppress certain scattering channels on NbP. These results provide a comprehensive understanding of electronic properties on Weyl semimetal surfaces.en_US
dc.format.extent1378 - 1385en_US
dc.relation.ispartofACS Nanoen_US
dc.rightsAuthor's manuscripten_US
dc.titleAtomic-Scale Visualization of Quantum Interference on a Weyl Semimetal Surface by Scanning Tunneling Microscopyen_US
dc.typeJournal Articleen_US

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