HIGH-TEMPERATURE CONDUCTIVITY STUDY ON SINGLE-CRYSTAL C-60

被引：52

作者：

KREMER, RK ^{[1
]}

RABENAU, T ^{[1
]}

MASER, WK ^{[1
]}

KAISER, M ^{[1
]}

SIMON, A ^{[1
]}

HALUSKA, M ^{[1
]}

KUZMANY, H ^{[1
]}

机构：

[1] UNIV VIENNA,INST FESTKORPERPHYS,A-1090 VIENNA,AUSTRIA

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 1993年 / 56卷 / 03期

关键词：

D O I：

10.1007/BF00539476

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report about dc, ac (100 Hz less-than-or-equal-to nu less-than-or-equal-to 100 kHz) and contactless microwave (10 GHz) conductivity studies on C60 crystalline bulk material from room temperature to 850 K. The high temperature regime is governed by an activated behavior with a frequency and sample independent activation energy of about 0.9 eV. The low temperature regime exhibits a frequency dependent and weakly temperature dependent conductivity due to extrinsic properties. Anomalies in the heating curves of virgin samples (dynamical vacuum conditions) in the temperature ranges 560 K and 740 K are ascribed to the desorption of oxygen.

引用

页码：211 / 214

页数：4

共 28 条

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