Structural study on the (Hg,Tl)-Ba-(Ca,Y)-Cu-O system by XRD and TEM

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

Research output: Contribution to journalArticle

Abstract

Superconducting (Hg,Tl)-O double layer compound samples were prepared by a high-pressure synthesis technique. Some samples have the composition of (Hg0.7,Tl0.3)2Ba2(Ca x,Y1-x)Cu2O8-2δ and are nearly single phase when x=0.1, 0.2, 0.4 and 0.6. The crystal structure of these samples was determined by X-ray Rietveld refinement. On the other hand, several new intergrowth phases were discovered in Y-free Hg(Tl)-Ba-Ca-Cu-O samples by TEM observation. Based on the TEM observation, symmetry and super-lattice parameters for the new phases were determined and structural models were proposed.

Original languageEnglish
Pages (from-to)889-890
Number of pages2
JournalPhysica C: Superconductivity and its Applications
Volume282-287
Issue numberPART 2
Publication statusPublished - 1997 Aug
Externally publishedYes

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Transmission electron microscopy
transmission electron microscopy
Rietveld refinement
Lattice constants
Crystal structure
X rays
Chemical analysis
lattice parameters
crystal structure
symmetry
synthesis
x rays

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Structural study on the (Hg,Tl)-Ba-(Ca,Y)-Cu-O system by XRD and TEM. / Wu, X. J.; Tokiwa-Yamamoto, A.; Tatsuki, T.; Adachi, S.; Tanabe, K.

In: Physica C: Superconductivity and its Applications, Vol. 282-287, No. PART 2, 08.1997, p. 889-890.

Research output: Contribution to journalArticle

Wu, XJ, Tokiwa-Yamamoto, A, Tatsuki, T, Adachi, S & Tanabe, K 1997, 'Structural study on the (Hg,Tl)-Ba-(Ca,Y)-Cu-O system by XRD and TEM', Physica C: Superconductivity and its Applications, vol. 282-287, no. PART 2, pp. 889-890.
Wu, X. J. ; Tokiwa-Yamamoto, A. ; Tatsuki, T. ; Adachi, S. ; Tanabe, K. / Structural study on the (Hg,Tl)-Ba-(Ca,Y)-Cu-O system by XRD and TEM. In: Physica C: Superconductivity and its Applications. 1997 ; Vol. 282-287, No. PART 2. pp. 889-890.
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