Superconductivity in Sr(Ln)NbO system (Ln:La,Nd,Pr,Ce,Gd and Ho)

J. Akimitsu; J. Amano; K. Tomimoto; T. Suzuki; M. Kogai; Y. Fukawa; H. Sawa; Y. Matsui

doi:10.1016/0921-4534(91)92164-7

Superconductivity in Sr(Ln)NbO system (Ln:La,Nd,Pr,Ce,Gd and Ho)

J. Akimitsu, J. Amano, K. Tomimoto, T. Suzuki, M. Kogai, Y. Fukawa, H. Sawa, Y. Matsui

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

5 Citations (Scopus)

Abstract

A new non-Cu oxide superconductor Sr(Ln)NbO system (Ln:La,Nd,Pr,Ce,Gd and Ho) has been found by the resistivity and magnetization measurements. The highest onset transition temperature is about 12K. Preliminary electron and X-ray diffraction experiments indicate that main phase (∼90%) in this system is (Sr_1-xLn_x)Nb₂O_6-gd and another impurity phase (∼10%) is (Sr_1-xLn_x)Nb₂O_7-δ, suggesting that the basic crystal structure is probably an oxygen deficient CaTa₂O₆ type structure.

Original language	English
Pages (from-to)	723-724
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	185-189
Issue number	PART 1
DOIs	https://doi.org/10.1016/0921-4534(91)92164-7
Publication status	Published - Dec 1 1991
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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title = "Superconductivity in Sr(Ln)NbO system (Ln:La,Nd,Pr,Ce,Gd and Ho)",

abstract = "A new non-Cu oxide superconductor Sr(Ln)NbO system (Ln:La,Nd,Pr,Ce,Gd and Ho) has been found by the resistivity and magnetization measurements. The highest onset transition temperature is about 12K. Preliminary electron and X-ray diffraction experiments indicate that main phase (∼90%) in this system is (Sr1-xLnx)Nb2O6-gd and another impurity phase (∼10%) is (Sr1-xLnx)Nb2O7-δ, suggesting that the basic crystal structure is probably an oxygen deficient CaTa2O6 type structure.",

author = "J. Akimitsu and J. Amano and K. Tomimoto and T. Suzuki and M. Kogai and Y. Fukawa and H. Sawa and Y. Matsui",

year = "1991",

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doi = "10.1016/0921-4534(91)92164-7",

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T1 - Superconductivity in Sr(Ln)NbO system (Ln:La,Nd,Pr,Ce,Gd and Ho)

AU - Akimitsu, J.

AU - Amano, J.

AU - Tomimoto, K.

AU - Suzuki, T.

AU - Kogai, M.

AU - Fukawa, Y.

AU - Sawa, H.

AU - Matsui, Y.

PY - 1991/12/1

Y1 - 1991/12/1

N2 - A new non-Cu oxide superconductor Sr(Ln)NbO system (Ln:La,Nd,Pr,Ce,Gd and Ho) has been found by the resistivity and magnetization measurements. The highest onset transition temperature is about 12K. Preliminary electron and X-ray diffraction experiments indicate that main phase (∼90%) in this system is (Sr1-xLnx)Nb2O6-gd and another impurity phase (∼10%) is (Sr1-xLnx)Nb2O7-δ, suggesting that the basic crystal structure is probably an oxygen deficient CaTa2O6 type structure.

AB - A new non-Cu oxide superconductor Sr(Ln)NbO system (Ln:La,Nd,Pr,Ce,Gd and Ho) has been found by the resistivity and magnetization measurements. The highest onset transition temperature is about 12K. Preliminary electron and X-ray diffraction experiments indicate that main phase (∼90%) in this system is (Sr1-xLnx)Nb2O6-gd and another impurity phase (∼10%) is (Sr1-xLnx)Nb2O7-δ, suggesting that the basic crystal structure is probably an oxygen deficient CaTa2O6 type structure.

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