Characteristic of interface effect in Cu-C60 granular films

被引：13
|
作者：
Li, X
Tang, YJ
Zhao, HW
Zhan, WS
Wang, HQ
Hou, JG
机构：
[1] Chinese Acad Sci, Inst Phys, State Key Lab Magnetism, Beijing 100080, Peoples R China
[2] Chinese Acad Sci, Ctr Condensed Matter Phys, Beijing 100080, Peoples R China
[3] Univ Sci & Technol China, Struct Lab, Hefei 230026, Anhui, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2000年 / 77卷 / 07期
关键词：
D O I：
10.1063/1.1287910
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this letter, Cu-C-60 granular film is prepared with coevaporation method at room temperature. The conductance of the film is measured by in situ method, and its microstructure is characterized by transmission electron microscopy. The charge transfer from Cu to C-60 is investigated with Raman spectroscopy. The results indicate that the sample has the uniformly granular microstructure. The interaction between C-60 and Cu at the Cu-C-60 interfaces, which significantly affects the orientational order-disorder phase transition of C-60 and induces the phase transition of C-60 in the temperature range from 219 to 248 K. The mechanism of the characteristic of such phase transition is discussed. (C) 2000 American Institute of Physics. [S0003-6951(00)04731-8].
引用
收藏
页码：984 / 986
页数：3
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