DEPENDENCE OF THE MAGNETIC STATE OF POLYANILINE ON MOISTURE

被引:17
作者
KAHOL, PK
MCCORMICK, BJ
机构
[1] WICHITA STATE UNIV,NATL INST AVIAT RES,WICHITA,KS 67208
[2] WICHITA STATE UNIV,DEPT CHEM,WICHITA,KS 67208
关键词
D O I
10.1088/0953-8984/3/40/017
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The presence of water enhances the conduction process of polyaniline in the protonated emeraldine-base form. Through magnetic susceptibility measurements on thermally aged samples it is shown that the Pauli susceptibility, which is related to the extent of conduction, and the Curie susceptibility are sensitively dependent on the presence of moisture. It is suggested that the same spin can contribute to either Curie susceptibility or Pauli susceptibility depending on its environment or temperature, and that the presence of water, even in small amounts, may determine the dynamical behaviour of the spins.
引用
收藏
页码:7963 / 7972
页数:10
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