Growth and properties of a-axis oriented thin films of infinite-layer Sr1-xLaxCuO2

Hiroyuki Akatsuka, Keita Sakuma, Tetsuya Miyawaki, Kenji Ueda, Hidefumi Asano

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

A-axis oriented, electron-doped, Sr1-xLaxCuO 2 thin films were grown on LaAlO3 and YAlO3 substrates by magnetron sputtering. X-ray diffraction analysis revealed that in an as-grown state, the a-axis oriented films grew with the long-c phase, which is related to oxygen vacancies in the CuO2 planes, unlike the c-axis oriented films. Another feature of our a-axis oriented films is that the films contain 90° rotated domains from in-plane X-ray diffraction and planer transmission electron microscopy image. We discuss features of a-axis oriented films in terms of oxygen vacancies in the CuO2 planes.

Original languageEnglish
Article number6493421
JournalIEEE Transactions on Applied Superconductivity
Volume23
Issue number3
DOIs
Publication statusPublished - 2013
Externally publishedYes

Keywords

  • Infinite-layer compound
  • superconducting thin films

ASJC Scopus subject areas

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

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