Epitaxial growth of Ag2S films on MgO(001)

Hiroshi Nozaki, Mitsuko Onoda, Ken Yukino, Keiji Kurashima, Kousuke Kosuda, Hideyuki Maki, Shunichi Hishita

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

Epitaxial films of monoclinic Ag2S on polished and annealed surfaces and on cleaved surfaces of MgO(001) were prepared by molecular beam epitaxy. The films were characterized by X-ray diffraction method. Ag 2S films generally consisted of crystallites with orientations of (012), (-1,1,2) and (010) parallel to substrate surfaces, but for a thick film (180nm) on cleaved MgO, the (010) orientation was not observed. In-plane orientation of the (-1,1,2) oriented crystallites was essentially the same as that of the (012) oriented crystallites in any case. That for the (010) oriented crystallites was not determined. For a film deposited on the polished MgO substrate, in-plane orientation for (012) oriented crystallites was [100]∥[110]MgO. For a film on the cleaved MgO substrate, the main in-plane orientation was [100]∥[100]MgO. For the thick film on the cleaved MgO substrate, the in-plane orientation was basically [4,-2,1]∥[100]MgO with slight modifications. There exist additional orientations due to twinning based on the monoclinic lattice of Ag2S in each case.

Original languageEnglish
Pages (from-to)1165-1172
Number of pages8
JournalJournal of Solid State Chemistry
Volume177
Issue number4-5
DOIs
Publication statusPublished - 2004 Apr 1
Externally publishedYes

Keywords

  • Epitaxial films
  • Magnesium oxide
  • Molecular beam epitaxy
  • Silver sulfide
  • Twinning
  • X-ray diffraction

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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