Surface morphology and growth mechanism of YBa2Cu3O7 films by chemical vapor deposition in a magnetic field

Yanwei Ma, Kazuo Watanabe, Satoshi Awaji, Mitsuhiro Motokawa

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

We have investigated the influence of a magnetic field on YBa2Cu3O7 (YBCO) films grown directly on polycrystalline silver substrates by metalorganic chemical vapor deposition (CVD). Clearly, application of a magnetic field during the CVD process not only changed the surface morphology of YBCO films, but also improved their crystallinity and grain connectivity. Furthermore, it is found that the growth mechanism of YBCO films was changed from the spiral growth mode at zero field to the 2D or 3D island growth mode under an external magnetic field. A discussion on the mechanism of this field-induced growth mode change is also presented.

Original languageEnglish
Pages (from-to)483-489
Number of pages7
JournalJournal of Crystal Growth
Volume233
Issue number3
DOIs
Publication statusPublished - 2001 Dec

Keywords

  • A1. growth models
  • A1. magnetic fields
  • A3. metalorganic chemical vapor deposition
  • B2. superconducting materials

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Inorganic Chemistry
  • Materials Chemistry

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