Synthesis of high-purity (CaxLa1.00-x)(Ba1.75-xLa0.25+x) Cu3Oz tetragonal superconductor by an aqueous solution technique using citric acid

Y. Sato; M. Kakihana; V. Petrykin; M. Osada; H. Yasuoka; A. Yamaguchi; Y. Tanaka

doi:10.1016/S0921-4534(01)00226-X

Synthesis of high-purity (Ca_xLa_1.00-x)(Ba_1.75-xLa_0.25+x) Cu₃O_z tetragonal superconductor by an aqueous solution technique using citric acid

Y. Sato, M. Kakihana, V. Petrykin, M. Osada, H. Yasuoka, A. Yamaguchi, Y. Tanaka

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

A simple aqueous solution technique utilizing citric acid as a complexant was applied to prepare (Ca_xLa_1.00-x)(Ba_1.75-xLa_0.25+x) Cu₃O_z. The combined results of X-ray diffraction and Raman scattering analysis confirmed the single-phase character of polycrystalline sample for the whole range of x from 0.0 to 1.0. The T_c onset values, determined precisely from the complex magnetic susceptibility measurements, values increased from 40.6 K for x = 0.0 to 78.7 K for x = 0.4, remained almost constant at 80 K between x = 0.5 and = 0.7, and then decreased to 44.6 K for x = 1.0.

Original language	English
Pages (from-to)	260-264
Number of pages	5
Journal	Physica C: Superconductivity and its Applications
Volume	357-360
Issue number	SUPPL. 2
DOIs	https://doi.org/10.1016/S0921-4534(01)00226-X
Publication status	Published - 2001 Aug
Externally published	Yes

Keywords

(CaLa)(BaLa) CuO
AC complex susceptibility
Amorphous citrate method
Raman scattering

ASJC Scopus subject areas

Condensed Matter Physics

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10.1016/S0921-4534(01)00226-X

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Synthesis of high-purity (Ca_xLa_1.00-x)(Ba_1.75-xLa_0.25+x) Cu₃O_z tetragonal superconductor by an aqueous solution technique using citric acid. / Sato, Y.; Kakihana, M.; Petrykin, V.; Osada, M.; Yasuoka, H.; Yamaguchi, A.; Tanaka, Y.

In: Physica C: Superconductivity and its Applications, Vol. 357-360, No. SUPPL. 2, 08.2001, p. 260-264.

Research output: Contribution to journal › Article › peer-review

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title = "Synthesis of high-purity (CaxLa1.00-x)(Ba1.75-xLa0.25+x) Cu3Oz tetragonal superconductor by an aqueous solution technique using citric acid",

abstract = "A simple aqueous solution technique utilizing citric acid as a complexant was applied to prepare (CaxLa1.00-x)(Ba1.75-xLa0.25+x) Cu3Oz. The combined results of X-ray diffraction and Raman scattering analysis confirmed the single-phase character of polycrystalline sample for the whole range of x from 0.0 to 1.0. The Tc onset values, determined precisely from the complex magnetic susceptibility measurements, values increased from 40.6 K for x = 0.0 to 78.7 K for x = 0.4, remained almost constant at 80 K between x = 0.5 and = 0.7, and then decreased to 44.6 K for x = 1.0.",

keywords = "(CaLa)(BaLa) CuO, AC complex susceptibility, Amorphous citrate method, Raman scattering",

author = "Y. Sato and M. Kakihana and V. Petrykin and M. Osada and H. Yasuoka and A. Yamaguchi and Y. Tanaka",

year = "2001",

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T1 - Synthesis of high-purity (CaxLa1.00-x)(Ba1.75-xLa0.25+x) Cu3Oz tetragonal superconductor by an aqueous solution technique using citric acid

AU - Sato, Y.

AU - Kakihana, M.

AU - Petrykin, V.

AU - Osada, M.

AU - Yasuoka, H.

AU - Yamaguchi, A.

AU - Tanaka, Y.

PY - 2001/8

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N2 - A simple aqueous solution technique utilizing citric acid as a complexant was applied to prepare (CaxLa1.00-x)(Ba1.75-xLa0.25+x) Cu3Oz. The combined results of X-ray diffraction and Raman scattering analysis confirmed the single-phase character of polycrystalline sample for the whole range of x from 0.0 to 1.0. The Tc onset values, determined precisely from the complex magnetic susceptibility measurements, values increased from 40.6 K for x = 0.0 to 78.7 K for x = 0.4, remained almost constant at 80 K between x = 0.5 and = 0.7, and then decreased to 44.6 K for x = 1.0.

AB - A simple aqueous solution technique utilizing citric acid as a complexant was applied to prepare (CaxLa1.00-x)(Ba1.75-xLa0.25+x) Cu3Oz. The combined results of X-ray diffraction and Raman scattering analysis confirmed the single-phase character of polycrystalline sample for the whole range of x from 0.0 to 1.0. The Tc onset values, determined precisely from the complex magnetic susceptibility measurements, values increased from 40.6 K for x = 0.0 to 78.7 K for x = 0.4, remained almost constant at 80 K between x = 0.5 and = 0.7, and then decreased to 44.6 K for x = 1.0.

KW - (CaLa)(BaLa) CuO

KW - AC complex susceptibility

KW - Amorphous citrate method

KW - Raman scattering

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