NMR INVESTIGATION ON THE CS2-GROWN AND BENZENE-GROWN C60 CRYSTALS

被引：30

作者：

MANIWA, Y ^{[1
]}

MIZOGUCHI, K ^{[1
]}

KUME, K ^{[1
]}

KIKUCHI, K ^{[1
]}

IKEMOTO, I ^{[1
]}

SUZUKI, S ^{[1
]}

ACHIBA, Y ^{[1
]}

机构：

[1] TOKYO METROPOLITAN UNIV,DEPT CHEM,HACHI,TOKYO 19203,JAPAN

来源：

SOLID STATE COMMUNICATIONS | 1991年 / 80卷 / 08期

关键词：

D O I：

10.1016/0038-1098(91)90162-O

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We present C-13-NMR investigation on CS2-grown crystal and benzene-grown crystal between 300K and 77K at 6.1T. The spin-lattice relaxation time T1 and the NMR linewidth demonstrate molecular rotation in both of the crystals. It is assigned that a relaxation mechanism of T1 is due to an anisotropic chemical shift modulated by the molecular rotation. The observed NMR shift, 142.9 +/- 0.8 ppm from TMS in both of the crystals, is close to those reported previously in solid C60/C70 mixture and solution. It was also suggested that a high temperature heat treatment may change the microscopic surrounding of C60 in CS2-grown crystals irreversibly.

引用

页码：609 / 612

页数：4

共 16 条

[1]

ABRAGAM A, 1961, PRINCIPLES NUCLEAR M, P315

[2] CHARACTERIZATION OF THE SOLUBLE ALL-CARBON MOLECULES C60 AND C70 [J].

AJIE, H ;

ALVAREZ, MM ;

ANZ, SJ ;

BECK, RD ;

DIEDERICH, F ;

FOSTIROPOULOS, K ;

HUFFMAN, DR ;

KRATSCHMER, W ;

RUBIN, Y ;

SCHRIVER, KE ;

SENSHARMA, D ;

WHETTEN, RL .

JOURNAL OF PHYSICAL CHEMISTRY, 1990, 94 (24) :8630-8633

[3] ORGANIC MOLECULAR SOFT FERROMAGNETISM IN A FULLERENE-C60 [J].

ALLEMAND, PM ;

KHEMANI, KC ;

KOCH, A ;

WUDL, F ;

HOLCZER, K ;

DONOVAN, S ;

GRUNER, G ;

THOMPSON, JD .

SCIENCE, 1991, 253 (5017) :301-303

[4]

ATAKE T, IN PRESS PHYSICA C

[5]

FLEMING R, 1990, NOV P MAT RES SOC BO

[6]

FORTUNE NA, IN PRESS PHYSICA C

[7] SUPERCONDUCTIVITY AT 18-K IN POTASSIUM-DOPED C-60 [J].

HEBARD, AF ;

ROSSEINSKY, MJ ;

HADDON, RC ;

MURPHY, DW ;

GLARUM, SH ;

PALSTRA, TTM ;

RAMIREZ, AP ;

KORTAN, AR .

NATURE, 1991, 350 (6319) :600-601

[8] ORIENTATIONAL ORDERING TRANSITION IN SOLID C60 [J].

HEINEY, PA ;

FISCHER, JE ;

MCGHIE, AR ;

ROMANOW, WJ ;

DENENSTEIN, AM ;

MCCAULEY, JP ;

SMITH, AB ;

COX, DE .

PHYSICAL REVIEW LETTERS, 1991, 66 (22) :2911-2914

[9] C-60 HAS ICOSAHEDRAL SYMMETRY [J].

JOHNSON, RD ;

MEIJER, G ;

BETHUNE, DS .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1990, 112 (24) :8983-8984

[10]

KIKUCHI K, IN PRESS PHYSICA C

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