Electronic structure of quantum spheres and quantum wires

被引:19
作者
Xia, JB [1 ]
机构
[1] CHINESE ACAD SCI, INST SEMICOND, LAB SUPERLATTICES & MICROSTRUCT, BEIJING 100083, PEOPLES R CHINA
关键词
nanocrystals; quantum sphere; quantum wire; superlattice;
D O I
10.1016/0022-2313(96)00049-X
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The electronic structures of quantum spheres and quantum wires are studied in the framework of the effective-mass theory. The spin-orbital coupling (SOC) effect is taken into account. On the basis of the zero SOC limit and strong SOC limit the hole quantum energy levels as functions of SOC parameter lambda are obtained. There is a fan region in which the ground and low-lying excited states approach those in the strong SOC limit as lambda increases. Besides, some theoretical results on the corrugated superlattices (CSL) are given.
引用
收藏
页码:120 / 128
页数:9
相关论文
共 18 条
[1]   SPHERICAL MODEL OF SHALLOW ACCEPTOR STATES IN SEMICONDUCTORS [J].
BALDERESCHI, A ;
LIPARI, NO .
PHYSICAL REVIEW B, 1973, 8 (06) :2697-2709
[2]   ZERO-DIMENSIONAL EXCITONS IN SEMICONDUCTOR CLUSTERS [J].
BRUS, L .
IEEE JOURNAL OF QUANTUM ELECTRONICS, 1986, 22 (09) :1909-1914
[4]   SILICON QUANTUM WIRE ARRAY FABRICATION BY ELECTROCHEMICAL AND CHEMICAL DISSOLUTION OF WAFERS [J].
CANHAM, LT .
APPLIED PHYSICS LETTERS, 1990, 57 (10) :1046-1048
[5]  
Edmonds A. R., 1996, Angular Momentum in Quantum Mechanics
[6]   LUMINESCENCE POLARIZATION OF CDSE MICROCRYSTALS [J].
EFROS, AL .
PHYSICAL REVIEW B, 1992, 46 (12) :7448-7458
[7]   ABSORPTION AND INTENSITY-DEPENDENT PHOTOLUMINESCENCE MEASUREMENTS ON CDSE QUANTUM DOTS - ASSIGNMENT OF THE 1ST ELECTRONIC-TRANSITIONS [J].
EKIMOV, AI ;
HACHE, F ;
SCHANNEKLEIN, MC ;
RICARD, D ;
FLYTZANIS, C ;
KUDRYAVTSEV, IA ;
YAZEVA, TV ;
RODINA, AV ;
EFROS, AL .
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, 1993, 10 (01) :100-107
[8]  
Grigoryan G. B., 1990, Soviet Physics - Solid State, V32, P1031
[9]  
HENGLEIN A, 1988, TOP CURR CHEM, V143, P113
[10]   EFFECTIVE-MASS THEORY FOR GAAS/GA1-XALXAS QUANTUM WIRES AND CORRUGATED SUPERLATTICES GROWN ON (311)-ORIENTED SUBSTRATES [J].
LI, SS ;
XIA, JB .
PHYSICAL REVIEW B, 1994, 50 (12) :8602-8608