Structure Refinements of Orthorhombic (La1-xCax)2CuO4 (x=0.05)

Hijiri Kito; Jun Akimitsu

doi:10.1143/JPSJ.63.695

Structure Refinements of Orthorhombic (La1-xCax)2CuO4 (x=0.05)

Hijiri Kito, Jun Akimitsu

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

1 Citation (Scopus)

Abstract

The structure parameters of (La,_jrCaje)2Cu04 (∗=0.05) with the K2NiF4-type structure were refined by Rietveld analysis of time-of-flight neutron powder diffraction data. This superconductor with a Tc of 24 K is orthorhombic at both room temperature and 18 K. From experimental results obtained by us and Fukuoka et al., we conclude that the relatively low Tc value for the superconductor is due to a low concentration of hole carriers introduced by Ca doping.

Original language	English
Pages (from-to)	695-699
Number of pages	5
Journal	journal of the physical society of japan
Volume	63
Issue number	2
DOIs	https://doi.org/10.1143/JPSJ.63.695
Publication status	Published - Jan 1 1994
Externally published	Yes

Keywords

(La1-xCax)2CuO4
crystal structure
neutron powder diffraction

ASJC Scopus subject areas

Physics and Astronomy(all)

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abstract = "The structure parameters of (La,_jrCaje)2Cu04 (∗=0.05) with the K2NiF4-type structure were refined by Rietveld analysis of time-of-flight neutron powder diffraction data. This superconductor with a Tc of 24 K is orthorhombic at both room temperature and 18 K. From experimental results obtained by us and Fukuoka et al., we conclude that the relatively low Tc value for the superconductor is due to a low concentration of hole carriers introduced by Ca doping.",

keywords = "(La1-xCax)2CuO4, crystal structure, neutron powder diffraction",

author = "Hijiri Kito and Jun Akimitsu",

year = "1994",

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AU - Akimitsu, Jun

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Y1 - 1994/1/1

N2 - The structure parameters of (La,_jrCaje)2Cu04 (∗=0.05) with the K2NiF4-type structure were refined by Rietveld analysis of time-of-flight neutron powder diffraction data. This superconductor with a Tc of 24 K is orthorhombic at both room temperature and 18 K. From experimental results obtained by us and Fukuoka et al., we conclude that the relatively low Tc value for the superconductor is due to a low concentration of hole carriers introduced by Ca doping.

AB - The structure parameters of (La,_jrCaje)2Cu04 (∗=0.05) with the K2NiF4-type structure were refined by Rietveld analysis of time-of-flight neutron powder diffraction data. This superconductor with a Tc of 24 K is orthorhombic at both room temperature and 18 K. From experimental results obtained by us and Fukuoka et al., we conclude that the relatively low Tc value for the superconductor is due to a low concentration of hole carriers introduced by Ca doping.

KW - (La1-xCax)2CuO4

KW - crystal structure

KW - neutron powder diffraction

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JO - Journal of the Physical Society of Japan

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SN - 0031-9015

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Structure Refinements of Orthorhombic (La1-xCax)2CuO4 (x=0.05)

Abstract

Keywords

ASJC Scopus subject areas

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