SUSCEPTIBILITY DISCONTINUITY IN SINGLE-CRYSTAL C60

被引:28
作者
LUO, WL
WANG, H
RUOFF, RS
CIOSLOWSKI, J
PHELPS, S
机构
[1] SRI INT, MOLEC PHYS LAB, MENLO PK, CA 94025 USA
[2] FLORIDA STATE UNIV, DEPT CHEM, TALLAHASSEE, FL 32306 USA
[3] FLORIDA STATE UNIV, SUPERCOMP COMPUTAT RES INST, TALLAHASSEE, FL 32306 USA
[4] STANFORD UNIV, DEPT PHYS, STANFORD, CA 94305 USA
关键词
D O I
10.1103/PhysRevLett.73.186
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Magnetization of a large single C60 crystal was measured as functions of applied field and temperature. At T = 260 K, a discontinuity in susceptibility was observed. The relative change in total moment is 1.2%, independent of applied field to within experimental accuracy. This discontinuity is attributed to the change in the intramolecular geometry at the orientational order-disorder transition. This is the first experimental demonstration that the cooperative phase transition affects the magnetic susceptibility of a single molecule.
引用
收藏
页码:186 / 188
页数:3
相关论文
共 21 条
[1]   TEMPERATURE-DEPENDENCE OF THE INFRARED-SPECTRA OF C-60 - ORIENTATIONAL TRANSITION AND FREEZING [J].
BABU, VS ;
SEEHRA, MS .
CHEMICAL PHYSICS LETTERS, 1992, 196 (06) :569-572
[2]   MNDO STUDY OF LARGE CARBON CLUSTERS [J].
BAKOWIES, D ;
THIEL, W .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1991, 113 (10) :3704-3714
[3]  
CHANG SS, 1960, THERM PROP GLOBULAR, P1547
[4]   VIBRATIONAL SPECTROSCOPY OF C-60 AND C-70 TEMPERATURE-DEPENDENT STUDIES [J].
CHASE, B ;
HERRON, N ;
HOLLER, E .
JOURNAL OF PHYSICAL CHEMISTRY, 1992, 96 (11) :4262-4266
[5]   STRUCTURAL TRANSITION ON COOLING OF PLASTIC ADAMANTANE - A MOLECULAR-DYNAMICS STUDY [J].
CICCOTTI, G ;
FERRARIO, M ;
MEMEO, E ;
MEYER, M .
PHYSICAL REVIEW LETTERS, 1987, 59 (22) :2574-2577
[6]   ENDOHEDRAL MAGNETIC SHIELDING IN THE C-60 CLUSTER [J].
CIOSLOWSKI, J .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1994, 116 (08) :3619-3620
[7]  
Cioslowski J., 1992, SPECTROSCOPIC COMPUT, P269
[8]   CRYSTAL-STRUCTURE AND BONDING OF ORDERED C60 [J].
DAVID, WIF ;
IBBERSON, RM ;
MATTHEWMAN, JC ;
PRASSIDES, K ;
DENNIS, TJS ;
HARE, JP ;
KROTO, HW ;
TAYLOR, R ;
WALTON, DRM .
NATURE, 1991, 353 (6340) :147-149
[9]   ICOSAHEDRAL C-60 - AN AROMATIC MOLECULE WITH A VANISHINGLY SMALL RING CURRENT MAGNETIC-SUSCEPTIBILITY [J].
ELSER, V ;
HADDON, RC .
NATURE, 1987, 325 (6107) :792-794
[10]   EXPERIMENTAL AND THEORETICAL DETERMINATION OF THE MAGNETIC-SUSCEPTIBILITY OF C60 AND C70 [J].
HADDON, RC ;
SCHNEEMEYER, LF ;
WASZCZAK, JV ;
GLARUM, SH ;
TYCKO, R ;
DABBAGH, G ;
KORTAN, AR ;
MULLER, AJ ;
MUJSCE, AM ;
ROSSEINSKY, MJ ;
ZAHURAK, SM ;
MAKHIJA, AV ;
THIEL, FA ;
RAGHAVACHARI, K ;
COCKAYNE, E ;
ELSER, V .
NATURE, 1991, 350 (6313) :46-47