OXYGEN-DEFECT PEROVSKITE STRUCTURE WITH SUPERCONDUCTING T//c ABOVE 50 K IN La-Ba-Cu-O COMPOUND SYSTEM.

Makoto Hikita*, Shigeyuki Tsurumi, Kouichi Semba, Tsunekazu Iwata, Susumu Kurihara

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapter

24 Citations (Scopus)

Abstract

It is shown experimentally that the La-Ba-Cu-O system has a new high-T//c phase La//2Ba//4Cu//6O//1//4// plus //y with oxygen-defect perovskite structure, other than the well-known La//2// minus //xBa//xCuO//4 with K//2NiF//4 structure. The new phase shows a superconducting transition at much higher temperatures (T//c onset greater than 55 K, T//c endpoint greater than 42 K) as compared with the K//2NiF//4 type phase.

Original languageEnglish
Title of host publicationJapanese Journal of Applied Physics, Part 2: Letters
Pages615-616
Number of pages2
Volume26
Edition5
Publication statusPublished - 1987 May
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)

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