Femtosecond spin spectroscopy in magnetically tunable heterostructures

D. A. Tulchinsky; J. J. Baumberg; D. D. Awschalom; N. Samarth; H. Luo; J. K. Furdyna

doi:10.1103/PhysRevB.50.10851

Femtosecond spin spectroscopy in magnetically tunable heterostructures

D. A. Tulchinsky, J. J. Baumberg, D. D. Awschalom, N. Samarth, H. Luo, J. K. Furdyna

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23 Scopus citations

Abstract

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.

Original language	English (US)
Pages (from-to)	10851-10855
Number of pages	5
Journal	Physical Review B
Volume	50
Issue number	15
DOIs	https://doi.org/10.1103/PhysRevB.50.10851
State	Published - 1994

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1103/PhysRevB.50.10851

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abstract = "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.",

author = "Tulchinsky, {D. A.} and Baumberg, {J. J.} and Awschalom, {D. D.} and N. Samarth and H. Luo and Furdyna, {J. K.}",

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AU - Tulchinsky, D. A.

AU - Baumberg, J. J.

AU - Awschalom, D. D.

AU - Samarth, N.

AU - Luo, H.

AU - Furdyna, J. K.

PY - 1994

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AB - 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.

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Femtosecond spin spectroscopy in magnetically tunable heterostructures

Abstract

All Science Journal Classification (ASJC) codes

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