QUANTUM-LATTICE FLUCTUATIONS AND LUMINESCENCE IN C60

被引:22
作者
FRIEDMAN, B
HARIGAYA, K
机构
[1] UNIV HOUSTON,TEXAS CTR SUPERCONDUCT,HOUSTON,TX 77204
[2] SAM HOUSTON STATE UNIV,DEPT PHYS,HUNTSVILLE,TX 77204
[3] ELECTROTECH LAB,DIV PHYS SCI,FUNDAMENTAL PHYS SECT,TSUKUBA,IBARAKI 305,JAPAN
来源
PHYSICAL REVIEW B | 1993年 / 47卷 / 07期
关键词
D O I
10.1103/PhysRevB.47.3975
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We consider luminescence in photoexcited neutral C60 using the Su-Schrieffer-Heeger model applied to a single C60 molecule. To calculate the luminescence we use a collective-coordinate method where our collective coordinate resembles the displacement of the carbon atoms of the Hg(8) phonon mode and extrapolates between the ground-state ''dimerization'' and the exciton polaron. There is good agreement for the existing luminescence peak spacing and fair agreement for the relative intensity. We predict the existence of further peaks not yet resolved in experiment.
引用
收藏
页码:3975 / 3978
页数:4
相关论文
共 18 条
[1]   1ST-PRINCIPLES QUANTUM-MOLECULAR-DYNAMICS STUDY OF THE VIBRATIONS OF ICOSAHEDRAL C60 [J].
ADAMS, GB ;
PAGE, JB ;
SANKEY, OF ;
SINHA, K ;
MENENDEZ, J ;
HUFFMAN, DR .
PHYSICAL REVIEW B, 1991, 44 (08) :4052-4055
[2]   COLLECTIVE PLASMON EXCITATIONS IN C60 CLUSTERS [J].
BERTSCH, GF ;
BULGAC, A ;
TOMANEK, D ;
WANG, Y .
PHYSICAL REVIEW LETTERS, 1991, 67 (19) :2690-2693
[3]   SYNTHESIS OF PURE C-13(60) AND DETERMINATION OF THE ISOTOPE EFFECT FOR FULLERENE SUPERCONDUCTORS [J].
CHEN, CC ;
LIEBER, CM .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1992, 114 (08) :3141-3142
[4]   POLARONS IN C60 [J].
FRIEDMAN, B .
PHYSICAL REVIEW B, 1992, 45 (03) :1454-1457
[5]   QUANTUM-LATTICE FLUCTUATIONS AND OPTICAL-PROPERTIES OF NONDEGENERATE CONJUGATED POLYMERS [J].
FRIEDMAN, B ;
SU, WP .
PHYSICAL REVIEW B, 1989, 39 (08) :5152-5155
[6]   ESTIMATE OF HUBBARD-U FOR C-60 BY USE OF OPTICAL-ABSORPTION [J].
FRIEDMAN, B ;
KIM, JW .
PHYSICAL REVIEW B, 1992, 46 (13) :8638-8641
[7]   LATTICE DISTORTION AND ENERGY-LEVEL STRUCTURES IN DOPED C-60 AND C-70 MOLECULES STUDIED WITH THE EXTENDED SU-SCHRIEFFER-HEEGER MODEL - POLARON EXCITATIONS AND OPTICAL-ABSORPTION [J].
HARIGAYA, K .
PHYSICAL REVIEW B, 1992, 45 (23) :13676-13684
[8]   LATTICE AND ELECTRONIC-STRUCTURES OF UNDOPED AND DOPED C60 MOLECULES BY THE EXTENDED SU-SCHRIEFFER-HEEGER MODEL [J].
HARIGAYA, K .
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1991, 60 (12) :4001-4004
[9]   SOLITONS IN CONDUCTING POLYMERS [J].
HEEGER, AJ ;
KIVELSON, S ;
SCHRIEFFER, JR ;
SU, WP .
REVIEWS OF MODERN PHYSICS, 1988, 60 (03) :781-850
[10]  
IWASA Y, UNPUB