Design of wide-gap fluoride heterostructures for deep ultraviolet optical devices

Riadh El Ouenzerfi, Shingo Ono, Alex Quema, Masahiro Goto, Masahiro Sakai, Nobuhiko Sarukura, Takeshi Nishimatsu, Noriaki Terakubo, Hiroshi Mizuseki, Yoshiyuki Kawazoe, Hiroki Sato, Dirk Ehrentraut, Akira Yoshikawa, Tsuguo Fukuda

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)


The design of fluoride-based optical devices for deep ultraviolet applications is discussed. Variations in the band-gap energy and band structure with respect to composition are investigated for Li(1-x)K xBa(1-y)MgyF3 perovskites. The band-gap energy, lattice constant, and band structure of perovskitelike fluorides are estimated based on ab initio calculations within the local-density approximation. The lattice-matched double heterostructure with direct band-gap compounds (Li(1-x)KxBa(1-y)MgyF 3 on either LiBaF3 or KMgF3 substrates) is promising for fabrication.

Original languageEnglish
Article number5
Pages (from-to)7655-7659
Number of pages5
JournalJournal of Applied Physics
Issue number12
Publication statusPublished - 2004 Dec 15


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