Spin-Conserving Tunneling of Excitons in Diluted Magnetic Semiconductor Double Quantum Wells

Park, Jiho (author): Institute of Multidisciplinary Research for Advanced Materials Tohoku University, Sendai 980-8577, Japan

Murayama, Akihiro (author): Institute of Multidisciplinary Research for Advanced Materials Tohoku University, Sendai 980-8577, Japan

Souma, Izuru (author): Institute of Multidisciplinary Research for Advanced Materials Tohoku University, Sendai 980-8577, Japan

Oka, Yasuo (author): Institute of Multidisciplinary Research for Advanced Materials Tohoku University, Sendai 980-8577, Japan

Dagnelund, Daniel, 1980- (author): Linköpings universitet,Tekniska högskolan,Funktionella elektroniska material

Buyanova, Irina, 1960- (author): Linköpings universitet,Tekniska högskolan,Funktionella elektroniska material

Chen, Weimin, 1959- (author): Linköpings universitet,Tekniska högskolan,Funktionella elektroniska material

(creator_code:org_t)

2008
2008
English.
In: Japanese Journal of Applied Physics. - 0021-4922 .- 1347-4065. ; 47, s. 3533-3536

Related links:: https://urn.kb.se/re...; show more...; https://doi.org/10.1...; show less...

Abstract Subject headings

Spin polarization in carrier tunneling was studied in double quantum wells by the polarized photoluminescence-excitation spectroscopy. The double quantum wells consist of a diluted magnetic quantum well of Zn0.77Cd0.15Mn0.08Se and a nonmagnetic quantum well of Zn0.82Cd0.18Se. Efficient spin-conserving tunneling of an exciton as an entity was observed from the nonmagnetic quantum well to the magnetic well. The spin-reversing tunneling was suppressed by two orders of magnitude in high magnetic field. The spin-conserving tunneling time was determined as 20 ps by time resolved photoluminescence measurement.

By the author/editor: Park, Jiho; Murayama, Akihir ...; Souma, Izuru; Oka, Yasuo; Dagnelund, Danie ...; Buyanova, Irina, ...; show more...; Chen, Weimin, 19 ...; show less...

About the subject

NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Condensed Matter ...

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