期刊
PHYSICAL REVIEW LETTERS
卷 99, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.99.046401
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We observe unidirectional charge density wave (CDW) ordering on the quasi-2D material TbTe3 with a scanning tunneling microscope at similar to 6 K. Our analysis indicates that the CDW is fully incommensurate, with wave vector q(CDW)approximate to 0.71x2 pi/c. By imaging at various tip-sample voltages, we highlight effects of the subsurface layer and its effect on the CDW. We also observe an additional (possibly surface) dimerization and approximate to 0.68x2 pi/a ordering perpendicular to the CDW.
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