A new non-cu-oxide superconductor: (sr1-xlnx)nb2o6-y (ln: La, nd, pr and ce)

Jun Akimitsu; Jiro Amano; Hiroshi Sawa; Osamu Nagase; Kazuhiro Gyoda; Manami Kogai

doi:10.1143/JJAP.30.L1155

A new non-cu-oxide superconductor: (sr_1-xln_x)nb₂o_6-y (ln: La, nd, pr and ce)

Jun Akimitsu, Jiro Amano, Hiroshi Sawa, Osamu Nagase, Kazuhiro Gyoda, Manami Kogai

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

29 Citations (Scopus)

Abstract

A new non-Cu superconductor (Sr_1-xLn_x)Nb₂O_6-y (Ln: La, Nd, Pr, Ce, Gd and Ho) has been found through resistivity and magnetization measurements. The highest onset transition temperature is about 12 K. Preliminary electron and X-ray diffraction experiments indicate that the crystal structure of the system is orthorhombic with a unit cell of a= 11.00 A, & = 7.68 A and c = 5.59 A, suggesting that the basic crystal structure is an oxygen-deficient CaTa₂O₆-type structure.

Original language	English
Pages (from-to)	L1155-L1156
Journal	Japanese Journal of Applied Physics
Volume	30
Issue number	7
DOIs	https://doi.org/10.1143/JJAP.30.L1155
Publication status	Published - Jul 1991
Externally published	Yes

Keywords

CaTaO-type structure
Nb-oxide superconductor

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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abstract = "A new non-Cu superconductor (Sr1-xLnx)Nb2O6-y (Ln: La, Nd, Pr, Ce, Gd and Ho) has been found through resistivity and magnetization measurements. The highest onset transition temperature is about 12 K. Preliminary electron and X-ray diffraction experiments indicate that the crystal structure of the system is orthorhombic with a unit cell of a= 11.00 A, & = 7.68 A and c = 5.59 A, suggesting that the basic crystal structure is an oxygen-deficient CaTa2O6-type structure.",

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AU - Sawa, Hiroshi

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AU - Kogai, Manami

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