FEMTOSECOND SPIN SPECTROSCOPY IN MAGNETICALLY TUNABLE HETEROSTRUCTURES

被引：20
|
作者：
TULCHINSKY, DA
BAUMBERG, JJ
AWSCHALOM, DD
SAMARTH, N
LUO, H
FURDYNA, JK
机构：
[1] PENN STATE UNIV,DEPT PHYS,UNIVERSITY PK,PA 16802
[2] UNIV NOTRE DAME,DEPT PHYS,NOTRE DAME,IN 46556
来源：
PHYSICAL REVIEW B | 1994年 / 50卷 / 15期
关键词：
D O I：
10.1103/PhysRevB.50.10851
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Spin-flip scattering of oriented carriers between Zeeman-split quantum-confined states is observed directly by femtosecond-resolved photoluminescence spectroscopy in magnetically coupled double quantum wells. Polarization measurements reveal that the spin dynamics are determined by the initial carrier energy and spin orientation with respect to the Zeeman separation of the levels. Studies as a function of applied field and barrier thickness show that spin equilibration is remarkably sensitive to the magnetic environment.
引用
收藏
页码：10851 / 10855
页数：5
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