Transmission electron microscopy study of new intergrowth phases in Hg-Tl-Ba-Ca-Cu-O compounds

X. J. Wu, A. Tokiwa-Yamamoto, T. Tatsuki, S. Adachi, K. Tanabe

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Several new intergrowth phases are discovered in Hg-Tl-Ba-Ca-Cu-O compounds by transmission electron microscopic (TEM) observations. These phases can be classified into two groups. In the first group, the phases are formed by a regular intergrowth between different members of the so-called (Hg,Tl)-22(n - 1)n homologous series. On the other hand, the phases of the second group are formed by the intergrowth between members of (Hg,Tl)-22(n - 1)n and those of (Hg,Tl)-12(n - 1)n. Based on the TEM observations, the sub-lattices, stacking orders, lattice parameters and crystal symmetry for the new phases are determined. The structural model for each phase is proposed.

Original languageEnglish
Pages (from-to)179-192
Number of pages14
JournalPhysica C: Superconductivity and its applications
Volume275
Issue number3-4
DOIs
Publication statusPublished - 1997 Feb 20
Externally publishedYes

Keywords

  • Hg-Tl-Ba-Ca-Cu-O compounds
  • Intergrowth phase
  • Intergrowth phenomenon
  • TEM

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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