ELECTRIC-CONDUCTIVITY AND BAND-GAP OF SOLID C-60 UNDER HIGH-PRESSURE

被引：29
|
作者：
SAITO, Y
SHINOHARA, H
KATO, M
NAGASHIMA, H
OHKOHCHI, M
ANDO, Y
机构：
[1] MIE UNIV,DEPT CHEM MAT,TSU,MIE 514,JAPAN
[2] NAGOYA UNIV,DEPT EARTH SCI,NAGOYA 46401,JAPAN
[3] TOYOHASHI UNIV TECHNOL,DEPT MAT SCI,TOYOHASHI 441,JAPAN
[4] MEIJO UNIV,DEPT PHYS,NAGOYA,AICHI 468,JAPAN
来源：
CHEMICAL PHYSICS LETTERS | 1992年 / 189卷 / 03期
关键词：
D O I：
10.1016/0009-2614(92)85131-S
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：
Measurement of the electric resistivity of compressed C60 powder up to 22 GPa at ambient temperature has revealed that the electric conductivity changes four orders of magnitude from 2 x 10(-6) OMEGA-1 cm-1 (below 8 GPa) to 3 x 10(-2) OMEGA-1 cm-1 (around 20 GPa). From the temperature dependence (ambient temperature to 400-degrees-C) of the conductivity, which behaves like a semiconductor, the band gap is derived as follows: 1.6 +/- 0.1 eV at 3 and 6 GPa, and 1.2 +/- 0.1 eV at 10 GPa.
引用
收藏
页码：236 / 240
页数：5
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