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MBE growth and prop...
MBE growth and properties of bulk BeCdSe alloys and digital (BeSe : CdSe)/ZnSe quantum wells
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- Ivanov, S.V. (författare)
- Ioffe Institute of RAS, Politeknicheskaya 26, 194021, St. Petersburg, Russian Federation
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- Toropov, A.A. (författare)
- Ioffe Institute of RAS, Politeknicheskaya 26, 194021, St. Petersburg, Russian Federation
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- Shubina, T.V. (författare)
- Ioffe Institute of RAS, Politeknicheskaya 26, 194021, St. Petersburg, Russian Federation
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- Lebedev, A.V. (författare)
- Ioffe Institute of RAS, Politeknicheskaya 26, 194021, St. Petersburg, Russian Federation
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- Sorokin, S.V. (författare)
- Ioffe Institute of RAS, Politeknicheskaya 26, 194021, St. Petersburg, Russian Federation
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- Sitnikova, A.A. (författare)
- Ioffe Institute of RAS, Politeknicheskaya 26, 194021, St. Petersburg, Russian Federation
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- Kop'Ev, P.S. (författare)
- Ioffe Institute of RAS, Politeknicheskaya 26, 194021, St. Petersburg, Russian Federation
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- Reuscher, G. (författare)
- Physikalisches Inst. Univ. Wurzburg, Am Hubland, D-97074, Würzburg, Germany
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- Keim, M. (författare)
- Physikalisches Inst. Univ. Wurzburg, Am Hubland, D-97074, Würzburg, Germany
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- Bensing, F. (författare)
- Physikalisches Inst. Univ. Wurzburg, Am Hubland, D-97074, Würzburg, Germany
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- Waag, A. (författare)
- Physikalisches Inst. Univ. Wurzburg, Am Hubland, D-97074, Würzburg, Germany
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- Landwehr, G. (författare)
- Physikalisches Inst. Univ. Wurzburg, Am Hubland, D-97074, Würzburg, Germany
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- Pozina, Galia (författare)
- Linköpings universitet,Tekniska högskolan,Halvledarmaterial
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- Bergman, Peder (författare)
- Linköpings universitet,Tekniska högskolan,Halvledarmaterial
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- Monemar, Bo (författare)
- Linköpings universitet,Tekniska högskolan,Halvledarmaterial
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Ioffe Institute of RAS, Politeknicheskaya 26, 194021, St Petersburg, Russian Federation Physikalisches Inst. Univ. Wurzburg, Am Hubland, D-97074, Würzburg, Germany (creator_code:org_t)
- 2000
- 2000
- Engelska.
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Ingår i: Journal of Crystal Growth. - 0022-0248 .- 1873-5002. ; 214, s. 109-114
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We report for the first time on MBE growth, structural and optical properties of single layers, quantum well structures and short-period superlattices based on BexCd1-xSe ternary alloys on GaAs. Both the conventional MBE growth mode and the sub-monolayer digital alloying technique (SDA) have been employed for the fabrication of the structures. Compositional boundaries of an instability region 0.03 < x < 0.38, calculated in a regular solution approximation for the completely coherent system, agree well with available experimental data. A suppression of the phase separation in BeCdSe by elastic stress in the layer, accompanied by a strong reduction of the Cd incorporation coefficient has been found. Ultrathin 2.8 ML BeCdSe SDA QWs with x approx. 0.15 demonstrate about an order of magnitude increase in the PL intensity with respect to the pure CdSe one, probably resulting from an enhanced carrier localization efficiency. Eg as a function of the Be content reveals a strong bowing in optical data, which allows one to consider BeCdSe alloys with compositions nearly lattice-matched to GaAs as potential materials for the active region of blue-green lasers.
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- TEKNIKVETENSKAP
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Ivanov, S.V.
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Toropov, A.A.
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Shubina, T.V.
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Lebedev, A.V.
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Sorokin, S.V.
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Sitnikova, A.A.
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visa fler...
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Kop'Ev, P.S.
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Reuscher, G.
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Keim, M.
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Bensing, F.
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Waag, A.
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Landwehr, G.
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Pozina, Galia
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Bergman, Peder
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Monemar, Bo
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- Artiklar i publikationen
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Journal of Cryst ...
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Linköpings universitet