CRYSTAL-STRUCTURE AND DISORDER IN SOLID C-70

被引：47
|
作者：
VALSAKUMAR, MC
SUBRAMANIAN, N
YOUSUF, M
SAHU, PC
HARIHARAN, Y
BHARATHI, A
SASTRY, VS
JANAKI, J
RAO, GVN
RADHAKRISHNAN, TS
SUNDAR, CS
机构：
[1] Materials Science Division, Indira Gandhi Centre for Atomic Research
来源：
PHYSICAL REVIEW B | 1993年 / 48卷 / 12期
关键词：
D O I：
10.1103/PhysRevB.48.9080
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Detailed analysis of the room-temperature x-ray powder-diffraction data of pure, as-prepared, solid C70 is reported. C70 adopts a hcp structure (space group P6(3)/mmc) with a=10.53(1) angstrom and c=17.24(1) angstrom. Quantitative agreement between the observed and calculated diffraction patterns require (a) orientational disorder among the molecules, (b) the presence of approximately 5% of stacking faults, and (c) a fraction of the sample to be either microcrystalline or amorphous.
引用
收藏
页码：9080 / 9085
页数：6
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