CARBON K-SHELL X-RAY ABSORPTION NEAR-EDGE STRUCTURE OF SOLID C-60

被引：24

作者：

SHINOHARA, H ^{[1
]}

SATO, H ^{[1
]}

SAITO, Y ^{[1
]}

TOHJI, K ^{[1
]}

UDAGAWA, Y ^{[1
]}

机构：

[1] INST MOLEC SCI,OKAZAKI,AICHI 444,JAPAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1991年 / 30卷 / 5A期

关键词：

SOLID C60; BUCKMINSTERFULLERENE; CARBON K-XANES; PI-RESONANCE; SIGMA-RESONANCE; CARBON K-EDGE;

D O I：

10.1143/JJAP.30.L848

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Absorption measurements above the carbon K-edge of solid C60 have been reported for the first time, which utilize 100-1,000 eV synchrotron radiation. The C60 cluster contains a significant fraction of sp2 hybridized carbon bonds as revealed by the presence of a prominent pi* resonance in the XANES (X-ray Absorption Near-Edge Structure) spectrum. The pi* band in C60 is characterized by the two humps at 285 and 288 eV, suggesting the presence of a "cage-strained" pi-bond network. Furthermore, the band width and the spectral feature of the sigma* resonance imply that the long-range order is less distinct than in graphite or diamond.

引用

页码：L848 / L850

页数：3

共 16 条

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