REVERSIBLE PHOTOINDUCED PHASE-TRANSITIONS IN SINGLE-CRYSTALS OF POLYDIACETYLENES

被引：198

作者：

KOSHIHARA, S

TOKURA, Y

TAKEDA, K

KODA, T

机构：

[1] UNIV TOKYO,DEPT PHYS,TOKYO 113,JAPAN

[2] JAPAN SYNTHET RUBBER CO LTD,TSUKUBA RES LAB,TSUKUBA 305,JAPAN

[3] UNIV TOKYO,DEPT APPL PHYS,TOKYO 113,JAPAN

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 68卷 / 08期

关键词：

D O I：

10.1103/PhysRevLett.68.1148

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

It was observed that bi-directional phase changes can bc triggered by genuine photoexcitation between two phases with different bond structures in polydiacetylenes. The observed photoinduced phase transition was found to be mediated by photogeneration of charge carriers (and not of excitons). The extremely high efficiency is perhaps due to cooperative interaction between the locally photoconverted domains.

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页码：1148 / 1151

页数：4

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