Phase transition, molecular motions, and inequivalent carbon atoms in K3C60 (111) single-phase ordered films

被引：18
|
作者：
Goldoni, A
Sangaletti, L
Parmagiani, F
Friedmann, SL
Shen, ZX
Peloi, M
Comelli, G
Paolucci, G
机构：
[1] Sincrotrone Trieste SCpA, I-34012 Trieste, Italy
[2] Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA
[3] Stanford Univ, Ctr Mat Res, Stanford, CA 94305 USA
[4] Univ Cattolica Brescia, Dipartimento Matemat & Fis, Ist Nazl Fis Mat, I-25121 Brescia, Italy
[5] Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA
[6] Stanford Univ, Ctr Mat Res, Stanford, CA 94305 USA
[7] Ist Nazl Fis Mat, Lab Tecnol Avanzate Super & Catalisi, I-34012 Trieste, Italy
[8] Univ Trieste, Dipartimento Fis, I-34100 Trieste, Italy
来源：
PHYSICAL REVIEW B | 1999年 / 59卷 / 24期
关键词：
D O I：
10.1103/PhysRevB.59.16071
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
High-resolution synchrotron radiation photoemission and absorption spectroscopies from the C 1 s core level were used to investigate a K3C60 (111) single-phase ordered film as a function of temperature. It is shown that the gradual slowing down of the molecular motions modifies the line shape of the C 1 s core level. Below 200 K the core-level data clearly reveal the presence of several chemically shifted components. A model based on the inhomogeneity of the conduction electron distribution at the molecular level is proposed asa possible explanation for the observed temperature behavior. [S0163-1829(99)07423-8].
引用
收藏
页码：16071 / 16075
页数：5
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