Ordering phenomena in C60-tetraphenylphosphonium bromide

被引：15

作者：

Launois, P

Moret, R

de Souza, NR

Azamar-Barrios, JA

Pénicaud, A

机构：

[1] Univ Paris Sud, Phys Solides Lab, F-91405 Orsay, France

[2] Univ Bordeaux 1, Ctr Rech Paul Pascal, F-33600 Pessac, France

[3] CINVESTAV, Merida 97310, Yuc, Mexico

来源：

EUROPEAN PHYSICAL JOURNAL B | 2000年 / 15卷 / 03期

关键词：

D O I：

10.1007/PL00011044

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The fulleride salt Cco-tetraphenylphosphonium bromide is investigated as a function of temperature ky single crystal X-ray diffuse scattering and diffraction.. At room temperature, the C-60 orientational disorder is found to be more complex than previously expected, Moreover, a structural phase transition. due to the C60 orientational ordering, is evidenced around 120 K. Its relation with the stabilization of a static Jahn-Teller effect is discussed.

引用

页码：445 / 450

页数：6

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