ELECTRON PHONON INTERACTIONS IN 2-DIMENSIONAL SYSTEMS - A MICROSCOPIC APPROACH

被引:21
作者
MOLINARI, E
BUNGARO, C
GULIA, M
LUGLI, P
RUCKER, H
机构
[1] UNIV ROME,DIPARTIMENTO INGN ELETTR 2,I-00173 ROME,ITALY
[2] HUMBOLDT UNIV,FACHBEREICH PHYS,O-1040 BERLIN,GERMANY
关键词
D O I
10.1088/0268-1242/7/3B/016
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The electron-optical-phonon scattering rates in GaAs/AlAs quantum wells (QW) are calculated on the basis of a fully microscopic description of the phonon spectrum. The results indicate the great importance of confined as well as GaAs-like and AlAs-like interface phonons. The implications of these findings are discussed by using the calculated rates in Monte Carlo simulations of ultrafast carrier relaxation in a 50 angstrom QW.
引用
收藏
页码:B67 / B72
页数:6
相关论文
共 30 条
[11]   HOT-CARRIER ENERGY-LOSS RATES IN GAAS/ALXGA1-XAS QUANTUM WELLS [J].
LEO, K ;
RUHLE, WW ;
PLOOG, K .
PHYSICAL REVIEW B, 1988, 38 (03) :1947-1957
[12]   HOT PHONONS IN QUANTUM WELLS SYSTEMS [J].
LUGLI, P ;
BORDONE, P ;
GUALDI, S ;
POLI, P ;
GOODNICK, SM .
SOLID-STATE ELECTRONICS, 1989, 32 (12) :1881-1885
[13]   INTERACTION OF ELECTRONS WITH INTERFACE PHONONS IN GAAS/ALAS AND GAAS/ALGAAS HETEROSTRUCTURES [J].
LUGLI, P ;
BORDONE, P ;
MOLINARI, E ;
RUCKER, H ;
DEPAULA, AM ;
MACIEL, AC ;
RYAN, JF ;
SHAYEGAN, M .
SEMICONDUCTOR SCIENCE AND TECHNOLOGY, 1992, 7 (3B) :B116-B119
[14]  
LUGLI P, 1991, IN PRESS SUPERLATT M
[15]   PHONONS IN GAAS-ALXGA1-XAS SUPERLATTICES [J].
MENENDEZ, J .
JOURNAL OF LUMINESCENCE, 1989, 44 (4-6) :285-314
[16]  
MOLINARI E, 1990, 20TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS, VOLS 1-3, P1429
[17]   ELECTRON OPTICAL-PHONON INTERACTION IN SINGLE AND DOUBLE HETEROSTRUCTURES [J].
MORI, N ;
ANDO, T .
PHYSICAL REVIEW B, 1989, 40 (09) :6175-6188
[18]   ANISOTROPY OF OPTICAL PHONONS AND INTERFACE MODES IN GAAS-ALAS SUPERLATTICES [J].
REN, SF ;
CHU, HY ;
CHANG, YC .
PHYSICAL REVIEW B, 1988, 37 (15) :8899-8911
[19]   LATTICE-DYNAMICS OF GAAS/ALAS SUPERLATTICES [J].
RICHTER, E ;
STRAUCH, D .
SOLID STATE COMMUNICATIONS, 1987, 64 (06) :867-870
[20]   ELECTRON-SCATTERING BY CONFINED LO POLAR PHONONS IN A QUANTUM WELL [J].
RIDLEY, BK .
PHYSICAL REVIEW B, 1989, 39 (08) :5282-5286