期刊
CHINESE PHYSICS B
卷 32, 期 5, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1674-1056/aca203
关键词
quasi-one-dimensional; magnetic impurity; scanning tunneling microscopy
In this study, we used scanning tunneling microscopy to identify the chain-like structure and anisotropic electronic states on the surface of TaNiTe5. We found that even with chromium impurities deposited on the surface and a magnetic field applied normal to the surface, electron scatterings are largely suppressed. This makes TaNiTe5 a promising material for low-dissipation spintronic applications.
One-dimensional (1D) topological insulators are superior for low-dissipation applications owing to the 1D character of surface states where scatterings other than prohibited backscattering are further restricted. Among the proposed candidates for 1D topological materials, TaNiTe5 has attracted intensive attention for its quasi-one-dimensional (quasi-1D) crystalline structure. In this study, we identify the chain-like construction and anisotropic electronic states on TaNiTe5 surface with scanning tunneling microscopy. The electron scatterings are largely suppressed even with chromium impurities deposited on the surface and magnetic field applied normal to the surface, which endows TaNiTe5 great potential for low-dissipation spintronic applications.
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