GaAs heteroepitaxial growth on an InP (001) substrate

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作者
Tanaka, Ichiro [1 ]
Ohkouchi, Shunsuke [1 ]
机构
[1] Optoelectronics Technology Research, Lab, Tsukuba, Japan
关键词
Crystals--Epitaxial Growth - Microscopic Examination--Scanning Electron Microscopy - Molecular Beam Epitaxy - Semiconducting Indium Phosphide;
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摘要
We have observed GaAs growth processes on an InP (001) surface thermally cleaned in an arsenic flux using a multichamber ultrahigh-vacuum scanning tunneling microscope (UHV-STM) equipped with a molecular beam epitaxy (MBE) facility. When either 1 monolayer (ML) or 1.5 ML GaAs was deposited on an InP (001) surface, two-dimensional growth was observed. On the other hand, island formation was observed for 2.5 ML GaAs deposition.
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页码:1662 / 1664
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