Observation of Localized Above-Barrier Excitons in Type-I Superlattices

F. C. Zhang; N. Dai; H. Luo; Nitin Samarth; M. Dobrowolska; J. K. Furdyna; L. R. Ram-Mohan

doi:10.1103/PhysRevLett.68.3220

Observation of Localized Above-Barrier Excitons in Type-I Superlattices

F. C. Zhang, N. Dai, H. Luo, Nitin Samarth, M. Dobrowolska, J. K. Furdyna, L. R. Ram-Mohan

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Abstract

This Letter reports experimental evidence for the existence of localized excitons at above-barrier energies in type-I superlattices. By using magnetoabsorption measurement on a series of Zn0.86Cd0.14Se/Zn0.75Mn0.25Se superlattices, where the subbands localized in nonmagnetic and magnetic layers undergo drastically different Zeeman splittings, we show conclusively that above-barrier excitons are localized in the barrier rather than in the well regions.

Original language	English (US)
Pages (from-to)	3220-3223
Number of pages	4
Journal	Physical Review Letters
Volume	68
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevLett.68.3220
State	Published - Jan 1 1992

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.68.3220

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abstract = "This Letter reports experimental evidence for the existence of localized excitons at above-barrier energies in type-I superlattices. By using magnetoabsorption measurement on a series of Zn0.86Cd0.14Se/Zn0.75Mn0.25Se superlattices, where the subbands localized in nonmagnetic and magnetic layers undergo drastically different Zeeman splittings, we show conclusively that above-barrier excitons are localized in the barrier rather than in the well regions.",

author = "Zhang, {F. C.} and N. Dai and H. Luo and Nitin Samarth and M. Dobrowolska and Furdyna, {J. K.} and Ram-Mohan, {L. R.}",

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doi = "10.1103/PhysRevLett.68.3220",

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AU - Zhang, F. C.

AU - Dai, N.

AU - Luo, H.

AU - Samarth, Nitin

AU - Dobrowolska, M.

AU - Furdyna, J. K.

AU - Ram-Mohan, L. R.

PY - 1992/1/1

Y1 - 1992/1/1

N2 - This Letter reports experimental evidence for the existence of localized excitons at above-barrier energies in type-I superlattices. By using magnetoabsorption measurement on a series of Zn0.86Cd0.14Se/Zn0.75Mn0.25Se superlattices, where the subbands localized in nonmagnetic and magnetic layers undergo drastically different Zeeman splittings, we show conclusively that above-barrier excitons are localized in the barrier rather than in the well regions.

AB - This Letter reports experimental evidence for the existence of localized excitons at above-barrier energies in type-I superlattices. By using magnetoabsorption measurement on a series of Zn0.86Cd0.14Se/Zn0.75Mn0.25Se superlattices, where the subbands localized in nonmagnetic and magnetic layers undergo drastically different Zeeman splittings, we show conclusively that above-barrier excitons are localized in the barrier rather than in the well regions.

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JO - Physical Review Letters

JF - Physical Review Letters

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Observation of Localized Above-Barrier Excitons in Type-I Superlattices

Abstract

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