Electrically detected magnetic resonance in undoped polyacetylene and polyaniline

被引：0
|
作者：
Graeff, CFO
Brandt, MS
Faria, RM
Leising, G
机构：
[1] TECH UNIV MUNICH,WALTER SCHOTTKY INST,D-85478 GARCHING,GERMANY
[2] UNIV SAO PAULO,INST FIS SAO CARLOS,BR-13560970 SAO CARLOS,SP,BRAZIL
[3] GRAZ TECH UNIV,INST FESTKORPERPHYS,A-8010 GRAZ,AUSTRIA
来源：
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 1997年 / 162卷 / 02期
关键词：
D O I：
10.1002/1521-396X(199708)162:2<713::AID-PSSA713>3.0.CO;2-U
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The transport properties of polyacetylene and polyaniline films have been investigated by electrically detected magnetic resonance (EDMR) at room temperature. In polyacetylene, a spin-dependent interchain tunneling involving a polaron and a soliton is detected. In polyaniline, a similar process is found but involving a polaron-polaron transition. The EDMR signal in polyaniline is found to be dependent on the dc electric field. For low electric fields (F < 1000 V/cm), one resonance line is observed, for higher fields, two resonance lines are observed, having similar g-factors but different linewidths.
引用
收藏
页码：713 / 721
页数：9
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