SOLITONS IN POLYACETYLENE

被引:5500
作者
SU, WP
SCHRIEFFER, JR
HEEGER, AJ
机构
关键词
D O I
10.1103/PhysRevLett.42.1698
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We present a theoretical study of soliton formation in long-chain polyenes, including the energy of formation, length, mass, and activation energy for motion. The results provide an explanation of the mobile neutral defect observed in undoped (CH)x. Since the soliton formation energy is less than that needed to create band excitation, solitons play a fundamental role in the charge-transfer doping mechanism. © 1979 The American Physical Society.
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页码:1698 / 1701
页数:4
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