Band-Structure Design of Fluoride Complex Materials for Deep-Ultraviolet Light-Emitting Diodes
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概要
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The design principle for fluoride-containing optical devices for applications in the deep ultraviolet range is discussed. Variations in band gap energy, band structure and lattice constant of LiBaxCaySr(1-x-y)F3 and Li(1-x)KxBa(1-y)MgyF3 have been studied. The band structure and transition type of these fluorides are predicted by ab initio band calculations based on the local density approximation. The lattice-matched double-hetero structure of direct-band-gap compounds LiBaxCaySr(1-x-y)F3 on LiSrF3 and Li(1-x)KxBa(1-y)MgyF3 on either LiBaF3 or KMgF3 is sufficiently feasible to fabricate.
- 2005-10-15
著者
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水関 博志
東北大学金属材料研究所
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QUEMA Alex
Institute for Molecular Science
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MURAKAMI Hidetoshi
Institute for Molecular Science
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ONO Shingo
Institute for Molecular Science
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SARUKURA Nobuhiko
Institute for Molecular Science
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Yoshikawa Akira
Institute For Materials Research
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Kawazoe Yoshiyuki
Institute For Material Research Tohoku University
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Terakubo Noriaki
Institute For Materials Research (imr) Tohoku University
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Fukuda Tsuguo
Institute For Material Research Tohoku University
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Nishimatsu Takeshi
Institute For Materials Research (imr) Tohoku University
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Mizuseki Hiroshi
Institute for Materials Research (IMR), Tohoku University, Sendai 980-8577, Japan
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Mizuseki Hiroshi
Institute for Materials Research, Tohoku University, Aoba-ku, Sendai 980-8577, Japan
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El Ouenzerfi
Institute for Molecular Science, Myodaiji, Okazaki, Aichi 444-8585, Japan
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Hiroshi Mizuseki
Institute of Materials Research (IMR), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980 8577, Japan
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Murakami Hidetoshi
Institute for Molecular Science, Myodaiji, Okazaki, Aichi 444-8585, Japan
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Ouenzerfi Riadh
Institute for Molecular Science, Myodaiji, Okazaki, Aichi 444-8585, Japan
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Ono Shingo
Institute for Molecular Science, Myodaiji, Okazaki, Aichi 444-8585, Japan
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Sarukura Nobuhiko
Institute for Molecular Science, Myodaiji, Okazaki, Aichi 444-8585, Japan
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Quema Alex
Institute for Molecular Science, Myodaiji, Okazaki, Aichi 444-8585, Japan
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水関 博志
Institute for Materials Research, Tohoku University
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