Crystal structure of (Hg0.7Tl0.3)2Ba2(Y 0.8Ca0.2)Cu2O8-δ synthesized at high pressure

T. Ohta, Ayako Yamamoto, F. Izumi, A. W. Hewat, K. Tanabe

Research output: Contribution to journalArticle

Abstract

We prepared (Hg0.7Tl0.3)2Ba2(Y 0.8Ca0.2)Cu2O8-δ with a Tc of 65 K at 5 GPa and 1050 °C and analyzed its structure by neutron powder diffraction. Rietveld analysis showed highly disordered atomic arrangements on double (Hg,Tl)O layers, the absence of oxygen vacancies, and an underdoped state of the CuO2 sheet.

Original languageEnglish
Pages (from-to)911-912
Number of pages2
JournalPhysica C: Superconductivity and its Applications
Volume282-287
Issue numberPART 2
Publication statusPublished - 1997 Aug
Externally publishedYes

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Rietveld analysis
Neutron powder diffraction
Oxygen vacancies
Crystal structure
neutrons
crystal structure
oxygen
diffraction

ASJC Scopus subject areas

  • Condensed Matter Physics

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Crystal structure of (Hg0.7Tl0.3)2Ba2(Y 0.8Ca0.2)Cu2O8-δ synthesized at high pressure. / Ohta, T.; Yamamoto, Ayako; Izumi, F.; Hewat, A. W.; Tanabe, K.

In: Physica C: Superconductivity and its Applications, Vol. 282-287, No. PART 2, 08.1997, p. 911-912.

Research output: Contribution to journalArticle

Ohta, T. ; Yamamoto, Ayako ; Izumi, F. ; Hewat, A. W. ; Tanabe, K. / Crystal structure of (Hg0.7Tl0.3)2Ba2(Y 0.8Ca0.2)Cu2O8-δ synthesized at high pressure. In: Physica C: Superconductivity and its Applications. 1997 ; Vol. 282-287, No. PART 2. pp. 911-912.
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