Crystal Growth by the TSFZ Method and Superconducting Properties of the Tetragonal 1-2-3 Type Cuprates

T. Noji; H. Akagawa; T. Oikawa; Y. Ono; Y. Koike

Crystal Growth by the TSFZ Method and Superconducting Properties of the Tetragonal 1-2-3 Type Cuprates

T. Noji, H. Akagawa, T. Oikawa, Y. Ono, Y. Koike

ENG - Applied Physics

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

2 Citations (Scopus)

Abstract

Single crystals of Ca_0.5La_1.25Ba_1.25Cu₃O_y and NdBaSrCu₃O_y with the dimensions of the order of 1×1×0.5 mm³ have been grown by the travelling-solvent floating zone method. As-grown single-crystals are tetragonal and non-superconducting. Through the annealing in oxygen, single crystals of Ca_0.5La_1.25Ba_1.25Cu₃O_y have become superconductors with T_c= 55 - 65 K, keeping the tetragonal structure. On the other hand, single crystals of NdBaSrCu₃O_y have changed from tetragonal to orthorhombic through the annealing in oxygen, though they have become superconductors with T_c= 55 K.

Original language	English
Pages (from-to)	705-709
Number of pages	5
Journal	Journal of Low Temperature Physics
Volume	117
Issue number	3-4
Publication status	Published - 1999 Dec 1

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Materials Science(all)
Condensed Matter Physics

Cite this

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title = "Crystal Growth by the TSFZ Method and Superconducting Properties of the Tetragonal 1-2-3 Type Cuprates",

abstract = "Single crystals of Ca0.5La1.25Ba1.25Cu3Oy and NdBaSrCu3Oy with the dimensions of the order of 1×1×0.5 mm3 have been grown by the travelling-solvent floating zone method. As-grown single-crystals are tetragonal and non-superconducting. Through the annealing in oxygen, single crystals of Ca0.5La1.25Ba1.25Cu3Oy have become superconductors with Tc= 55 - 65 K, keeping the tetragonal structure. On the other hand, single crystals of NdBaSrCu3Oy have changed from tetragonal to orthorhombic through the annealing in oxygen, though they have become superconductors with Tc= 55 K.",

author = "T. Noji and H. Akagawa and T. Oikawa and Y. Ono and Y. Koike",

year = "1999",

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TY - JOUR

T1 - Crystal Growth by the TSFZ Method and Superconducting Properties of the Tetragonal 1-2-3 Type Cuprates

AU - Noji, T.

AU - Akagawa, H.

AU - Oikawa, T.

AU - Ono, Y.

AU - Koike, Y.

PY - 1999/12/1

Y1 - 1999/12/1

N2 - Single crystals of Ca0.5La1.25Ba1.25Cu3Oy and NdBaSrCu3Oy with the dimensions of the order of 1×1×0.5 mm3 have been grown by the travelling-solvent floating zone method. As-grown single-crystals are tetragonal and non-superconducting. Through the annealing in oxygen, single crystals of Ca0.5La1.25Ba1.25Cu3Oy have become superconductors with Tc= 55 - 65 K, keeping the tetragonal structure. On the other hand, single crystals of NdBaSrCu3Oy have changed from tetragonal to orthorhombic through the annealing in oxygen, though they have become superconductors with Tc= 55 K.

AB - Single crystals of Ca0.5La1.25Ba1.25Cu3Oy and NdBaSrCu3Oy with the dimensions of the order of 1×1×0.5 mm3 have been grown by the travelling-solvent floating zone method. As-grown single-crystals are tetragonal and non-superconducting. Through the annealing in oxygen, single crystals of Ca0.5La1.25Ba1.25Cu3Oy have become superconductors with Tc= 55 - 65 K, keeping the tetragonal structure. On the other hand, single crystals of NdBaSrCu3Oy have changed from tetragonal to orthorhombic through the annealing in oxygen, though they have become superconductors with Tc= 55 K.

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ER -

Crystal Growth by the TSFZ Method and Superconducting Properties of the Tetragonal 1-2-3 Type Cuprates

Abstract

ASJC Scopus subject areas

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