Superconductivity in (Ca, Na)2CaCu2O4Cl2 The new simplest double-layer cuprate with apical chlorine

Y. Zenitani, K. Inari, S. Sahoda, M. Uehara, Jun Akimitsu, N. Kubota, M. Ayabe

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

A new superconductor, (Ca,Na)2CaCu2O4Cl2 (Tc = 49 K), with apical chlorines synthesized under high pressure has been found by resistivity and magnetization measurements. An X-ray powder diffraction study shows that the phase has a tetragonal structure with a = 3.85 A ̊ c = 21.45 A ̊, and it has the so called La2CaCu2O6 (2126) type structure with the apical site of pyramidal CuO5 being occupied by the chlorine atoms.

Original languageEnglish
Pages (from-to)167-170
Number of pages4
JournalPhysica C: Superconductivity and its Applications
Volume248
Issue number1-2
DOIs
Publication statusPublished - Jun 10 1995
Externally publishedYes

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Chlorine
Superconductivity
cuprates
chlorine
superconductivity
X ray powder diffraction
Superconducting materials
Magnetization
Atoms
magnetization
electrical resistivity
diffraction
atoms
x rays

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Superconductivity in (Ca, Na)2CaCu2O4Cl2 The new simplest double-layer cuprate with apical chlorine. / Zenitani, Y.; Inari, K.; Sahoda, S.; Uehara, M.; Akimitsu, Jun; Kubota, N.; Ayabe, M.

In: Physica C: Superconductivity and its Applications, Vol. 248, No. 1-2, 10.06.1995, p. 167-170.

Research output: Contribution to journalArticle

Zenitani, Y. ; Inari, K. ; Sahoda, S. ; Uehara, M. ; Akimitsu, Jun ; Kubota, N. ; Ayabe, M. / Superconductivity in (Ca, Na)2CaCu2O4Cl2 The new simplest double-layer cuprate with apical chlorine. In: Physica C: Superconductivity and its Applications. 1995 ; Vol. 248, No. 1-2. pp. 167-170.
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