PROBING THE ANION EFFECTS ON THE CHARGE-DENSITY WAVES IN 1T-TAS2 BY SCANNING TUNNELING MICROSCOPY

被引：7

作者：

MANIVANNAN, A

NAGAHARA, LA

TSUKADA, M

HASHIMOTO, K

FUJISHIMA, A

BERGER, H

LEVY, F

机构：

[1] ECOLE POLYTECH FED LAUSANNE,INST APPL PHYS,PHB ECUBLENS,CH-1007 LAUSANNE,SWITZERLAND

[2] UNIV TOKYO,FAC SCI,DEPT PHYS,BUNKYO KU,TOKYO 113,JAPAN

来源：

SURFACE SCIENCE | 1992年 / 274卷 / 02期

关键词：

D O I：

10.1016/0039-6028(92)90521-7

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The influence of anionic substitution on the charge density wave (CDW) state in 1T-TaS2 has been investigated by scanning tunneling microscopy. It was found that the 10% selenium substitution, forming 1T-TaS1.8Se0.2, significantly perturbs the electronic property of the material such that the surface atomic lattice was imaged along with the perturbed CDWs. In addition, several annihilated bright spots of CDWs as well as the local distortion of the CDW pattern surrounding the annihilated region were found. The observation of surface atomic structure along with the perturbed CDWs clearly demonstrates the changes in the Fermi surface due to the different anion mixing.

引用

页码：L554 / L558

页数：5

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