Instability and charge density wave of metallic quantum chains on a silicon surface

被引：505

作者：

Yeom, HW

Takeda, S

Rotenberg, E

Matsuda, I

Horikoshi, K

Schaefer, J

Lee, CM

Kevan, SD

Ohta, T

Nagao, T

Hasegawa, S

机构：

[1] Univ Tokyo, Res Ctr Spectrochem, Tokyo 1130033, Japan

[2] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan

[3] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA

[4] Univ Tokyo, Dept Chem, Tsukuba, Ibaraki 3050801, Japan

[5] Univ Oregon, Dept Phys, Eugene, OR 97403 USA

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.82.4898

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Self-assembled indium linear chains on the Si(lll) surface are found to exhibit instability of the metallic phase and 1D charge density wave (CDW). The room-temperature metallic phase of these chains undergoes a temperature-induced, reversible transition into a semiconducting phase. The 1D CDW along the chains is observed directly in real space by scanning tunneling microscopy at low temperature. The Fermi contours of the metallic phase measured by angle-resolved photoemission exhibit a perfect nesting predicting precisely the CDW periodicity. [S0031-9007(99)09330-8].

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页码：4898 / 4901

页数：4

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