Influence of Ar background gas pressure on composition and crystal orientation in PLD-Fe(Se1-xTex) thin films

Takatoshi Yoshimoto, Kenta Yuki, Ryo Teranishi, Shinji Munetoh, Kenji Kaneko

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Fe(Se1-xTex) thin films on (1 0 0) SrTiO3 were fabricated by a pulsed laser deposition method, and their crystal orientation, compositional shifts and superconducting properties were characterized by X-ray diffraction, scanning electron microscope combined with energy dispersive X-ray spectroscopy, etc. Compositional shift is one of the major problems during the fabrication of Fe(Se1-xTe x) films due to its containing high volatile elements such as Se and Te. The compositional shifts were found dependent on the Ar background gas pressure (PAr), which was suppressed by the increase of P Ar. In addition, it was revealed that the temperature window for the crystallization of the films was shifted to higher temperature region and wider temperature range with the increase of PAr.

Original languageEnglish
Pages (from-to)1616-1620
Number of pages5
JournalPhysica C: Superconductivity and its Applications
Volume471
Issue number23-24
DOIs
Publication statusPublished - Dec 1 2011

Fingerprint

Pulsed laser deposition
Crystal orientation
gas pressure
Gases
Thin films
shift
thin films
Chemical analysis
crystals
Crystallization
Temperature
pulsed laser deposition
x rays
Electron microscopes
electron microscopes
crystallization
Scanning
Fabrication
X ray diffraction
fabrication

All Science Journal Classification (ASJC) codes

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

Cite this

Influence of Ar background gas pressure on composition and crystal orientation in PLD-Fe(Se1-xTex) thin films. / Yoshimoto, Takatoshi; Yuki, Kenta; Teranishi, Ryo; Munetoh, Shinji; Kaneko, Kenji.

In: Physica C: Superconductivity and its Applications, Vol. 471, No. 23-24, 01.12.2011, p. 1616-1620.

Research output: Contribution to journalArticle

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