Introduction of artificial pinning centers to improve Je properties of REBa2Cu3Oy films under magnetic fields-microstructures of impurity nanorods and their growth mechanism-

Ataru Ichinose, Kaname Matsumoto, Masashi Mukaida, Yutaka Yoshida, Ryusuke Kita, Shigeru Horii

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Microstructures of impurity nanorods as a c-axis correlation pinning centers in REBa2Cu3Oy, films (RE: rare earth elements) have been examined by transmission electron microscopy (TEM). On the basis of the microstructure analyses, the possibility of controlling nanorod structures such as diameter and density was discussed. Furthermore, narnorod growth mechanism was discussed in relation with superconducting film growth. As a result, the formation of nanorods was affected by the stress fields generated by differences of crystal length between the superconductors and impurity materials. The various nanorod structures by changing impurity materials or growth conditions could be explained using the segregation coefficient.

Original languageEnglish
Pages (from-to)409-415
Number of pages7
JournalNippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
Volume74
Issue number7
DOIs
Publication statusPublished - Jul 1 2010

Fingerprint

Nanorods
nanorods
Impurities
Magnetic fields
impurities
microstructure
Microstructure
magnetic fields
Superconducting films
superconducting films
Film growth
Rare earth elements
stress distribution
Superconducting materials
rare earth elements
Transmission electron microscopy
transmission electron microscopy
Crystals
coefficients
crystals

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Materials Chemistry
  • Metals and Alloys
  • Condensed Matter Physics

Cite this

Introduction of artificial pinning centers to improve Je properties of REBa2Cu3Oy films under magnetic fields-microstructures of impurity nanorods and their growth mechanism-. / Ichinose, Ataru; Matsumoto, Kaname; Mukaida, Masashi; Yoshida, Yutaka; Kita, Ryusuke; Horii, Shigeru.

In: Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals, Vol. 74, No. 7, 01.07.2010, p. 409-415.

Research output: Contribution to journalArticle

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