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

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

Research output: Chapter in Book/Report/Conference proceeding › Chapter

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 language	English
Title of host publication	Japanese Journal of Applied Physics, Part 2: Letters
Pages	615-616
Number of pages	2
Volume	26
Edition	5
Publication status	Published - 1987 May
Externally published	Yes

ASJC Scopus subject areas

Engineering(all)

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Hikita, M., Tsurumi, S., Semba, K., Iwata, T., & Kurihara, S. (1987). OXYGEN-DEFECT PEROVSKITE STRUCTURE WITH SUPERCONDUCTING T//c ABOVE 50 K IN La-Ba-Cu-O COMPOUND SYSTEM. In Japanese Journal of Applied Physics, Part 2: Letters (5 ed., Vol. 26, pp. 615-616)

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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.",

author = "Makoto Hikita and Shigeyuki Tsurumi and Kouichi Semba and Tsunekazu Iwata and Susumu Kurihara",

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language = "English",

volume = "26",

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T1 - OXYGEN-DEFECT PEROVSKITE STRUCTURE WITH SUPERCONDUCTING T//c ABOVE 50 K IN La-Ba-Cu-O COMPOUND SYSTEM.

AU - Hikita, Makoto

AU - Tsurumi, Shigeyuki

AU - Semba, Kouichi

AU - Iwata, Tsunekazu

AU - Kurihara, Susumu

PY - 1987/5

Y1 - 1987/5

N2 - 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.

AB - 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.

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BT - Japanese Journal of Applied Physics, Part 2: Letters

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