ESR study of high-pressure phases of C-60 fullerene

被引：6
|
作者：
Kozlov, ME
Zakhidov, AA
Yakushi, K
Tokumoto, M
机构：
[1] ELECTROTECH LAB, TSUKUBA, IBARAKI 305, JAPAN
[2] UZBEK ACAD SCI, DEPT THERMOPHYS, TASHKENT 700135, UZBEKISTAN
[3] INST MOL SCI, OKAZAKI, AICHI 444, JAPAN
来源：
PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 1996年 / 197卷 / 01期
关键词：
D O I：
10.1002/pssb.2221970125
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Face-centered cubic and rhombohedral phases of pressure-temperature treated Csa were investigated bg ESR spectroscopy in the 5 to 550 K temperature range. It was found that the ESR spectra of the former differ only slightly from those of the starting C-60 powder. The intensity of the ESR signal from this phase reduces upon heating the specimens above 480 K. In contrast, the rhombohedral phase shows an intense narrow ESR line which obeys the Curie law and does not change much upon heating. The origin of paramagnetic centers in the high-pressure phases of C-60 and their relationship to the structure of the substances are discussed.
引用
收藏
页码：187 / 194
页数：8
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