PRESSURE-INDUCED PHASE-TRANSITION IN AN ORTHORHOMBIC C60 CRYSTAL

被引:7
|
作者
SHIMOMURA, S
FUJII, Y
NOZAWA, S
KIKUCHI, K
ACHIBA, Y
IKEMOTO, I
机构
[1] UNIV TSUKUBA,INST MAT SCI,TSUKUBA,IBARAKI 305,JAPAN
[2] TOKYO METROPOLITAN UNIV,DEPT CHEM,HACHIOJI,TOKYO 19203,JAPAN
[3] UNIV TOKYO,INST SOLID STATE PHYS,MINATO KU,TOKYO 106,JAPAN
关键词
D O I
10.1016/0038-1098(93)90002-5
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
X-ray diffraction studies of an orthorhombic C60 single crystal grown from CS2 solution have revealed a phase transition to a monoclinic phase between 1.1 and 2.2GPa. Compressibility of three principal axes is measured up to 3GPa and found to be nearly isotropic. Its bulk modulus is obtained as 10.5+/-1.9GPa, and this crystal is more compressible than an fcc one. We discuss the structural characteristic differences under pressure between the orthorhombic crystal and the fcc crystal.
引用
收藏
页码:471 / 473
页数:3
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