Fabrication of alloys and superlattices based on ZnO towards ultraviolet laser
書誌事項
- 公開日
- 1998-11
- 権利情報
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- https://www.elsevier.com/tdm/userlicense/1.0/
- DOI
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- 10.1016/s0921-5107(98)00218-9
- 公開者
- Elsevier BV
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説明
Abstract We have grown epitaxial Mg x Zn 1− x O alloy films and ZnO/Mg x Zn 1− x O ( x =0.20) superlattices on sapphire(0001) substrates by laser molecular beam epitaxy and characterized their structures by X-ray diffraction. Single phase Mg x Zn 1− x O could be obtained up to x =0.33, whereas MgO impurity phase with (111) orientation segregated at x >0.33. The bandgap of Mg x Zn 1− x O was successfully controlled as verified by the photoluminescence peaks shifting 3.36 eV ( x =0) to 3.87 eV ( x =0.33). It was found that the structure of the superlattices was greatly improved by the use of a ZnO buffer layer on sapphire substrate prior to the deposition of superlattice. Small angle X-ray diffraction peaks corresponding to the period of the superlattices ranging from 8 to 18 nm could be clearly observed.
収録刊行物
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- Materials Science and Engineering: B
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Materials Science and Engineering: B 56 (2-3), 263-266, 1998-11
Elsevier BV
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詳細情報 詳細情報について
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- CRID
- 1360292621364050304
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- ISSN
- 09215107
- https://id.crossref.org/issn/09215107
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