Superconducting phase diagram of La2-xSrxCuO 4 studied using single crystals with Sr-concentration gradient

Kazuhiko Ikeuchi; Tetsushi Uefuji; Masaki Fujita; Kazuyoshi Yamada

doi:10.1016/S0921-4526(02)02397-9

Superconducting phase diagram of La_2-xSr_xCuO ₄ studied using single crystals with Sr-concentration gradient

Kazuhiko Ikeuchi, Tetsushi Uefuji, Masaki Fujita, Kazuyoshi Yamada

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

4 Citations (Scopus)

Abstract

We grew single crystals of La_2-xSr_xCuO₄ with Sr-concentration gradient along the crystal growth. Doping dependence of the superconducting transition temperature T_c was determined by magnetic susceptibility measurement at different positions of the crystal. The results revealed a dramatic degradation of superconductivity at around x ∼0.12 more clearly compared to the previously determined phase diagram using powder samples or single crystals with uniform Sr-concentration.

Original language	English
Pages (from-to)	1479-1480
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	329-333
Issue number	II
DOIs	https://doi.org/10.1016/S0921-4526(02)02397-9
Publication status	Published - 2003 May
Externally published	Yes

Keywords

Carrier concentration slope
High-TLaSrCuO single crystal

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

Access to Document

10.1016/S0921-4526(02)02397-9

Cite this

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title = "Superconducting phase diagram of La2-xSrxCuO 4 studied using single crystals with Sr-concentration gradient",

abstract = "We grew single crystals of La2-xSrxCuO4 with Sr-concentration gradient along the crystal growth. Doping dependence of the superconducting transition temperature Tc was determined by magnetic susceptibility measurement at different positions of the crystal. The results revealed a dramatic degradation of superconductivity at around x ∼0.12 more clearly compared to the previously determined phase diagram using powder samples or single crystals with uniform Sr-concentration.",

keywords = "Carrier concentration slope, High-TLaSrCuO single crystal",

author = "Kazuhiko Ikeuchi and Tetsushi Uefuji and Masaki Fujita and Kazuyoshi Yamada",

note = "Funding Information: We would like to thank Y. Ikeda and H. Goka for their technical support for the experiments. This research was supported by the Ministry of Education, Culture, Sports, Science and Technology, Grant-in-Aid for Scientific Research on Priority Areas (Novel Quantum Phenomena in Transition Metal Oxides), 12046239, 2000, Scientific Research (A), 10304026, 2002, and by the Japan Science and Technology Corporation, the Core Research for Evolutional Science and Technology Project (CREST) of Japan Science and Technology Corporation (JST).",

year = "2003",

month = may,

doi = "10.1016/S0921-4526(02)02397-9",

language = "English",

volume = "329-333",

pages = "1479--1480",

journal = "Physica B: Condensed Matter",

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T1 - Superconducting phase diagram of La2-xSrxCuO 4 studied using single crystals with Sr-concentration gradient

AU - Ikeuchi, Kazuhiko

AU - Uefuji, Tetsushi

AU - Fujita, Masaki

AU - Yamada, Kazuyoshi

N1 - Funding Information: We would like to thank Y. Ikeda and H. Goka for their technical support for the experiments. This research was supported by the Ministry of Education, Culture, Sports, Science and Technology, Grant-in-Aid for Scientific Research on Priority Areas (Novel Quantum Phenomena in Transition Metal Oxides), 12046239, 2000, Scientific Research (A), 10304026, 2002, and by the Japan Science and Technology Corporation, the Core Research for Evolutional Science and Technology Project (CREST) of Japan Science and Technology Corporation (JST).

PY - 2003/5

Y1 - 2003/5

N2 - We grew single crystals of La2-xSrxCuO4 with Sr-concentration gradient along the crystal growth. Doping dependence of the superconducting transition temperature Tc was determined by magnetic susceptibility measurement at different positions of the crystal. The results revealed a dramatic degradation of superconductivity at around x ∼0.12 more clearly compared to the previously determined phase diagram using powder samples or single crystals with uniform Sr-concentration.

AB - We grew single crystals of La2-xSrxCuO4 with Sr-concentration gradient along the crystal growth. Doping dependence of the superconducting transition temperature Tc was determined by magnetic susceptibility measurement at different positions of the crystal. The results revealed a dramatic degradation of superconductivity at around x ∼0.12 more clearly compared to the previously determined phase diagram using powder samples or single crystals with uniform Sr-concentration.

KW - Carrier concentration slope

KW - High-TLaSrCuO single crystal

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