In-plane orientation control of c-axis oriented YBa2Cu3O7-δ films on MgO substrates by BaSnO3 buffer layers

Masashi Mukaida, Yoshinobu Takano, Kazuaki Chiba, Takuo Moriya, Masanobu Kusunoki, Shigetoshi Ohshima

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

A new BaSnO3 buffer layer is proposed for controlling the in-plane orientation of YBa2Cu3O7-δ films grown on MgO substrates. BaSnO3 buffer layers and YBa2Cu3O7-δ films are grown by pulsed laser deposition. 45° grain boundaries in YBa2Cu3O7-δ films grown on MgO (001) substrates, which are fatal defects for microwave device applications, are eliminated using the BaSnO3 buffer layer. YBa2Cu3O7-δ films grown at an optimum growth temperature of 710°C on BaSnO3 buffer layers on MgO (001) substrates show lower surface resistance (RS) than those on MgO (001) substrates without BaSnO3 buffer layers.

Original languageEnglish
JournalJapanese Journal of Applied Physics, Part 2: Letters
Volume38
Issue number8 B
Publication statusPublished - Aug 1 1999
Externally publishedYes

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Buffer layers
buffers
Substrates
Surface resistance
Microwave devices
Growth temperature
Pulsed laser deposition
pulsed laser deposition
Grain boundaries
grain boundaries
microwaves
Defects
defects
temperature

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

Cite this

In-plane orientation control of c-axis oriented YBa2Cu3O7-δ films on MgO substrates by BaSnO3 buffer layers. / Mukaida, Masashi; Takano, Yoshinobu; Chiba, Kazuaki; Moriya, Takuo; Kusunoki, Masanobu; Ohshima, Shigetoshi.

In: Japanese Journal of Applied Physics, Part 2: Letters, Vol. 38, No. 8 B, 01.08.1999.

Research output: Contribution to journalArticle

Mukaida, Masashi ; Takano, Yoshinobu ; Chiba, Kazuaki ; Moriya, Takuo ; Kusunoki, Masanobu ; Ohshima, Shigetoshi. / In-plane orientation control of c-axis oriented YBa2Cu3O7-δ films on MgO substrates by BaSnO3 buffer layers. In: Japanese Journal of Applied Physics, Part 2: Letters. 1999 ; Vol. 38, No. 8 B.
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