ELECTRON-ELECTRON AND ELECTRON-PHONON INTERACTIONS IN ALKALI-METAL-DOPED C-60

被引：41

作者：

SUZUKI, S

NAKAO, K

机构：

[1] Institute of Materials Science, University of Tsukuba

来源：

PHYSICAL REVIEW B | 1995年 / 52卷 / 19期

关键词：

D O I：

10.1103/PhysRevB.52.14206

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We investigate roles of electron-electron and electron-phonon interactions in alkali-metal-doped C-60, A(x)C(60) (A=K, Rb, etc.). It is shown that both interactions are important to observed anomalies. We find that A(2)C(60) and A(4)C(60) are nonmagnetic semiconductors and the-band gaps in these materials are cooperatively formed by the electron-electron and electron-phonon interactions. On the other hand, we find that A(1)C(60), A(3)C(60), and A(5)C(60) are on the border of the metal-insulator transition.

引用

页码：14206 / 14218

页数：13

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