Fabrication and optical properties of ZnSeTe superlattices with sinusoidal compositional modulation

S. Lee; G. Yang; X. Liu; U. Bindley; M. Dobrowolska; J. K. Furdyna; P. M. Reimer; John R. Buschert

doi:10.1016/S0022-0248(00)00046-4

Fabrication and optical properties of ZnSeTe superlattices with sinusoidal compositional modulation

S. Lee, G. Yang, X. Liu, U. Bindley, M. Dobrowolska, J. K. Furdyna, P. M. Reimer, John R. Buschert

Research output: Contribution to journal › Conference article › peer-review

1 Citation (Scopus)

Abstract

Sinusoidally modulated ZnSeTe superlattices were fabricated by means of a novel MBE growth technique, in which the periodic modulation is achieved by substrate rotation in the presence of non-uniform flux distributions of Se and Te, rather than by shutter openings and closings. The sinusoidal modulation of composition in the system naturally leads to a sinusoidal energy band profile, which in turn is expected to result in new and unique optical and electronic properties. We have performed extensive photoluminescence (PL) measurements on a series of sinusoidal ZnSeTe superlattices having various degrees of compositional modulation (i.e., various band offsets) and various periods. The observed transition energies in these superlattices can be successfully analyzed in terms of an adaptation of the nearly free electron model.

Original language	English
Pages (from-to)	25-29
Number of pages	5
Journal	Journal of Crystal Growth
Volume	214
DOIs	https://doi.org/10.1016/S0022-0248(00)00046-4
Publication status	Published - 2000 Jun 2
Externally published	Yes
Event	The 9th International Conference on II-VI Compounds - Kyoto, Jpn Duration: 1999 Nov 1 → 1999 Nov 5

ASJC Scopus subject areas

Condensed Matter Physics
Inorganic Chemistry
Materials Chemistry

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10.1016/S0022-0248(00)00046-4

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title = "Fabrication and optical properties of ZnSeTe superlattices with sinusoidal compositional modulation",

abstract = "Sinusoidally modulated ZnSeTe superlattices were fabricated by means of a novel MBE growth technique, in which the periodic modulation is achieved by substrate rotation in the presence of non-uniform flux distributions of Se and Te, rather than by shutter openings and closings. The sinusoidal modulation of composition in the system naturally leads to a sinusoidal energy band profile, which in turn is expected to result in new and unique optical and electronic properties. We have performed extensive photoluminescence (PL) measurements on a series of sinusoidal ZnSeTe superlattices having various degrees of compositional modulation (i.e., various band offsets) and various periods. The observed transition energies in these superlattices can be successfully analyzed in terms of an adaptation of the nearly free electron model.",

author = "S. Lee and G. Yang and X. Liu and U. Bindley and M. Dobrowolska and Furdyna, {J. K.} and Reimer, {P. M.} and Buschert, {John R.}",

year = "2000",

month = jun,

day = "2",

doi = "10.1016/S0022-0248(00)00046-4",

language = "English",

volume = "214",

pages = "25--29",

journal = "Journal of Crystal Growth",

issn = "0022-0248",

publisher = "Elsevier",

note = "The 9th International Conference on II-VI Compounds ; Conference date: 01-11-1999 Through 05-11-1999",

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TY - JOUR

T1 - Fabrication and optical properties of ZnSeTe superlattices with sinusoidal compositional modulation

AU - Lee, S.

AU - Yang, G.

AU - Liu, X.

AU - Bindley, U.

AU - Dobrowolska, M.

AU - Furdyna, J. K.

AU - Reimer, P. M.

AU - Buschert, John R.

PY - 2000/6/2

Y1 - 2000/6/2

N2 - Sinusoidally modulated ZnSeTe superlattices were fabricated by means of a novel MBE growth technique, in which the periodic modulation is achieved by substrate rotation in the presence of non-uniform flux distributions of Se and Te, rather than by shutter openings and closings. The sinusoidal modulation of composition in the system naturally leads to a sinusoidal energy band profile, which in turn is expected to result in new and unique optical and electronic properties. We have performed extensive photoluminescence (PL) measurements on a series of sinusoidal ZnSeTe superlattices having various degrees of compositional modulation (i.e., various band offsets) and various periods. The observed transition energies in these superlattices can be successfully analyzed in terms of an adaptation of the nearly free electron model.

AB - Sinusoidally modulated ZnSeTe superlattices were fabricated by means of a novel MBE growth technique, in which the periodic modulation is achieved by substrate rotation in the presence of non-uniform flux distributions of Se and Te, rather than by shutter openings and closings. The sinusoidal modulation of composition in the system naturally leads to a sinusoidal energy band profile, which in turn is expected to result in new and unique optical and electronic properties. We have performed extensive photoluminescence (PL) measurements on a series of sinusoidal ZnSeTe superlattices having various degrees of compositional modulation (i.e., various band offsets) and various periods. The observed transition energies in these superlattices can be successfully analyzed in terms of an adaptation of the nearly free electron model.

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SP - 25

EP - 29

JO - Journal of Crystal Growth

JF - Journal of Crystal Growth

SN - 0022-0248

T2 - The 9th International Conference on II-VI Compounds

Y2 - 1 November 1999 through 5 November 1999

ER -