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

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

Physics

Research output: Contribution to journal › Article › peer-review

55 Scopus citations

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 - 1992

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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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.",

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year = "1992",

doi = "10.1103/PhysRevLett.68.3220",

language = "English (US)",

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pages = "3220--3223",

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T1 - Observation of Localized Above-Barrier Excitons in Type-I Superlattices

AU - Zhang, F. C.

AU - Dai, N.

AU - Luo, H.

AU - Samarth, N.

AU - Dobrowolska, M.

AU - Furdyna, J. K.

AU - Ram-Mohan, L. R.

PY - 1992

Y1 - 1992

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.

UR - https://www.scopus.com/pages/publications/3342923394

UR - https://www.scopus.com/pages/publications/3342923394#tab=citedBy

U2 - 10.1103/PhysRevLett.68.3220

DO - 10.1103/PhysRevLett.68.3220

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EP - 3223

JO - Physical review letters

JF - Physical review letters

IS - 21

ER -

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

Abstract

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