Effect of strain and temperature on anomalously large interdiffusion in InAsP/lnP heterostructures

D. J. Tweet; H. Matsuhata; P. Fons; H. Oyanagi; H. Kamei

doi:10.1063/1.119187

Effect of strain and temperature on anomalously large interdiffusion in InAsP/lnP heterostructures

D. J. Tweet, H. Matsuhata, P. Fons, H. Oyanagi, H. Kamei

研究成果: Article › 査読

4 被引用数 (Scopus)

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We present evidence for anomalously large, strain-dependent interdiffusion in InAs_1-xP_x layers grown on InP(001) substrates by organometallic vapor phase epitaxy at 620 °C. Specifically, there are strong indications for the existence of a "critical strain:" if the strain is ∼1.9% or more, much P-As mixing occurs, but for smaller strain the mixing is greatly decreased. The interdiffusion is also highly sensitive to temperature. A set of samples grown at 580 °C exhibits a factor of ∼2 decrease in P-As mixing compared to a set grown at 620 °C.

本文言語	English
ページ（範囲）	3410-3412
ページ数	3
ジャーナル	Applied Physics Letters
巻	70
号	25
DOI	https://doi.org/10.1063/1.119187
出版ステータス	Published - 1997 6月 23
外部発表	はい

ASJC Scopus subject areas

物理学および天文学（その他）

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10.1063/1.119187

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AU - Tweet, D. J.

AU - Matsuhata, H.

AU - Fons, P.

AU - Oyanagi, H.

AU - Kamei, H.

PY - 1997/6/23

Y1 - 1997/6/23

N2 - We present evidence for anomalously large, strain-dependent interdiffusion in InAs1-xPx layers grown on InP(001) substrates by organometallic vapor phase epitaxy at 620 °C. Specifically, there are strong indications for the existence of a "critical strain:" if the strain is ∼1.9% or more, much P-As mixing occurs, but for smaller strain the mixing is greatly decreased. The interdiffusion is also highly sensitive to temperature. A set of samples grown at 580 °C exhibits a factor of ∼2 decrease in P-As mixing compared to a set grown at 620 °C.

AB - We present evidence for anomalously large, strain-dependent interdiffusion in InAs1-xPx layers grown on InP(001) substrates by organometallic vapor phase epitaxy at 620 °C. Specifically, there are strong indications for the existence of a "critical strain:" if the strain is ∼1.9% or more, much P-As mixing occurs, but for smaller strain the mixing is greatly decreased. The interdiffusion is also highly sensitive to temperature. A set of samples grown at 580 °C exhibits a factor of ∼2 decrease in P-As mixing compared to a set grown at 620 °C.

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Effect of strain and temperature on anomalously large interdiffusion in InAsP/lnP heterostructures

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