Electronic phase diagram of La1.875Ba0.125-χSrXCuO4

M. Fujita; H. Goka; K. Yamada

doi:10.1142/s0217979200003629

Electronic phase diagram of La_1.875Ba_0.125-χSr_XCuO₄

M. Fujita, H. Goka, K. Yamada

Materials Property Division

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

5 Citations (Scopus)

Abstract

We performed systematic measurements of magnetic susceptibility on single crystals of La_1.875Ba_0.125-χSr_χCuO₄. The dependence of the superconducting transition temperature on Sr-concentration demonstrates a step-like pattern upon doping at χ∼0.08 as the crystal structure changes from low-temperature tetragonal (LTT) to low-temperature orthorhombic (LTO) phase at low temperature. Upon cooling, an anomalous upturn in the susceptibility was observed at the structural phase transition between the LTT-LTO phases under the magnetic field parallel to c-axis.

Original language	English
Pages (from-to)	3466-3471
Number of pages	6
Journal	International Journal of Modern Physics B
Volume	14
Issue number	29-31
DOIs	https://doi.org/10.1142/s0217979200003629
Publication status	Published - 2000 Dec 20

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Condensed Matter Physics

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abstract = "We performed systematic measurements of magnetic susceptibility on single crystals of La1.875Ba0.125-χSrχCuO4. The dependence of the superconducting transition temperature on Sr-concentration demonstrates a step-like pattern upon doping at χ∼0.08 as the crystal structure changes from low-temperature tetragonal (LTT) to low-temperature orthorhombic (LTO) phase at low temperature. Upon cooling, an anomalous upturn in the susceptibility was observed at the structural phase transition between the LTT-LTO phases under the magnetic field parallel to c-axis.",

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AU - Fujita, M.

AU - Goka, H.

AU - Yamada, K.

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Y1 - 2000/12/20

N2 - We performed systematic measurements of magnetic susceptibility on single crystals of La1.875Ba0.125-χSrχCuO4. The dependence of the superconducting transition temperature on Sr-concentration demonstrates a step-like pattern upon doping at χ∼0.08 as the crystal structure changes from low-temperature tetragonal (LTT) to low-temperature orthorhombic (LTO) phase at low temperature. Upon cooling, an anomalous upturn in the susceptibility was observed at the structural phase transition between the LTT-LTO phases under the magnetic field parallel to c-axis.

AB - We performed systematic measurements of magnetic susceptibility on single crystals of La1.875Ba0.125-χSrχCuO4. The dependence of the superconducting transition temperature on Sr-concentration demonstrates a step-like pattern upon doping at χ∼0.08 as the crystal structure changes from low-temperature tetragonal (LTT) to low-temperature orthorhombic (LTO) phase at low temperature. Upon cooling, an anomalous upturn in the susceptibility was observed at the structural phase transition between the LTT-LTO phases under the magnetic field parallel to c-axis.

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