Effects of Th-doping on the anomalous low-temperature properties of La2-xBaxCuO4

Yoshiteru Maeno; Naofumi Kakehi; Masatsune Kato; Yasuki Tanaka; Toshizo Fujita

doi:10.1016/0921-4534(91)91678-W

Effects of Th-doping on the anomalous low-temperature properties of La_2-xBa_xCuO₄

Yoshiteru Maeno, Naofumi Kakehi, Masatsune Kato, Yasuki Tanaka, Toshizo Fujita

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

11 Citations (Scopus)

Abstract

Study of low-temperature lattice instabilities and superconductivity in Th-doped La_2-xBa_xCuO₄, La_2-y-xTh_yBa_xCuO₄, revealed that a low-temperature tetragonal (TLT) phase and sharp suppression of T_c are most prominent at x - y ≊ 0.125, instead of x ≊ 0.125. Thefore, the anomalous low-temperature behavior is essentially controlled by the carrier concentration, rather than local ionic forces.

Original language	English
Pages (from-to)	909-910
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	185-189
Issue number	PART 2
DOIs	https://doi.org/10.1016/0921-4534(91)91678-W
Publication status	Published - 1991 Dec 1
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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AU - Maeno, Yoshiteru

AU - Kakehi, Naofumi

AU - Kato, Masatsune

AU - Tanaka, Yasuki

AU - Fujita, Toshizo

PY - 1991/12/1

Y1 - 1991/12/1

N2 - Study of low-temperature lattice instabilities and superconductivity in Th-doped La2-xBaxCuO4, La2-y-xThyBaxCuO4, revealed that a low-temperature tetragonal (TLT) phase and sharp suppression of Tc are most prominent at x - y ≊ 0.125, instead of x ≊ 0.125. Thefore, the anomalous low-temperature behavior is essentially controlled by the carrier concentration, rather than local ionic forces.

AB - Study of low-temperature lattice instabilities and superconductivity in Th-doped La2-xBaxCuO4, La2-y-xThyBaxCuO4, revealed that a low-temperature tetragonal (TLT) phase and sharp suppression of Tc are most prominent at x - y ≊ 0.125, instead of x ≊ 0.125. Thefore, the anomalous low-temperature behavior is essentially controlled by the carrier concentration, rather than local ionic forces.

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Effects of Th-doping on the anomalous low-temperature properties of La_2-xBa_xCuO₄

Abstract

ASJC Scopus subject areas

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