Transient grating studies of phase and spin relaxations of excitons in GaAs single quantum wells

Tomoda, K.; Adachi, S.; Muto, S. et al.

Physica E: Low-dimensional Systems and Nanostructures, 2010, 42(10), 2714-2717

Permalink : https://hdl.handle.net/2115/50055

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アクセス権	open access
URI	https://hdl.handle.net/2115/50055
タイトル	Transient grating studies of phase and spin relaxations of excitons in GaAs single quantum wells
著者	Tomoda, K. ; Adachi, S. ; Muto, S. ; Shimomura, S.
著者名 Tomoda, K.
e-Rad_Researcher 10221722 著者名 Adachi, S.
著者名 Muto, S.
著者名 Shimomura, S.
言語	英語
キーワード	exciton spin relaxation
	phase relaxation
	exchange interaction
	GaAs
	quantum well
発行日	2010-09
出版者	Elsevier B.V.
収録物名	Physica E: Low-dimensional Systems and Nanostructures
巻(号)	42(10)
ページ	2714-2717
抄録	Exciton spin and phase relaxations at low temperatures in GaAs/AlGaAs single quantum wells were investigated by using transient grating technique. The technique allows us to obtain the exciton lifetime, spin relaxation, and phase relaxation in the same setup. In combination with a series of single quantum wells grown on the same substrate, the well width dependence of exciton spin relaxation was studied. The obtained spin relaxation results were analyzed with their phase relaxation times in a framework of MAS mechanism, and were in good agreement with the calculated results. Especially, the motional narrowing character of the exciton spin relaxation was well demonstrated.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
PISSN	1386-9477
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1016/j.physe.2009.12.009