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Jpn. J. Appl. Phys. 29 (1990) pp. L57-L59  |Next Article|  |Table of Contents|
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Letter

Rietveld Refinement of the Structure of TlSr₂CaCu₂O₇ by X-Ray Powder Diffraction Data

Toshiya Doi, Katsuhisa Usami and Tomoichi Kamo

Hitachi Research Laboratory, Hitachi Ltd.

(Received September 20, 1989; accepted for publication December 6, 1989)

Single phase TlSr₂CaCu₂O₇ was synthesized, and the crystal structure was refined from X-ray powder diffraction data using Rietveld analysis. The structure has single Tl-O sheets and tetragonal symmetry (a=3.7859 Å, c=12.104 Å) with space group P4/mmm, and is similar to TlBa₂CaCu₂O₇ and Tl_0.5Pb_0.5Sr₂CaCu₂O₇ (1212 type). Possible substitution of about 14% of Ca-sites with Tl ions was suggested.

URL: http://jjap.jsap.jp/link?JJAP/29/L57/
DOI: 10.1143/JJAP.29.L57

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