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

页码：16071 / 16075

页数：5

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