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Effects of growth c...
Effects of growth conditions on optical quality and surface morphology of InGaAsBi
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- Li, Jia Kai (författare)
- Chinese Academy of Sciences
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- Ai, L. K. (författare)
- Chinese Academy of Sciences
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- Qi, Ming (författare)
- Chinese Academy of Sciences
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- Xu, An Hui (författare)
- Chinese Academy of Sciences
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- Wang, Shu Min, 1963 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2018-04-20
- 2018
- Engelska.
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Ingår i: Chinese Physics B. - : IOP Publishing. - 1674-1056. ; 27:4
- Relaterad länk:
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The effects of Bi flux and pressure of AsH3 on Bi incorporation, surface morphology and optical properties of In-GaAsBi grown by gas source molecular beam epitaxy are studied. It is found that using relatively low pressure of AsH 3 and high Bi flux can strengthen the effect on the incorporation of Bi and increase its content linearly with Bi flux until it nearly reaches a saturation value. The result from Rutherford backscattering spectroscopy (RBS) confirms that the Bi incorporation can increase up to 1.13%. By adjusting Bi and As flux, we could improve the surface morphology of InGaAsBi sample. Room temperature photoluminescence shows strong and broad light emission at energy levels much smaller than the InGaAs bandgap.
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- gas source molecular beam epitaxy
- bismide
- compound semiconductor
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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