Effect of the change in the interface structure of Pd(100)/SrTiO3 for quantum-well induced ferromagnetism

Shunsuke Sakuragi, Tomoyuki Ogawa, Tetsuya Sato

研究成果: Article

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Measurements of temperature dependent magnetization of Pd(100) ultrathin films on SrTiO3(100) substrates which shows quantum-well induced ferromagnetism were performed. We observed the jump in magnetization of Pd(100) due to the structural phase transition of SrTiO3, and then, the disappearance of ferromagnetism after temperature-cycle repetition. X-ray reflectivity measurement revealed that the density of a few layers in the Pd film decreased near the Pd/SrTiO3 interface after temperature cycles. This suggests that the structural change affects the quantum-well induced ferromagnetism, and lowering of the crystallinity of Pd at the interface has a negative effect on quantum-well induced ferromagnetism of Pd(100) ultrathin films.

元の言語English
ページ(範囲)453-457
ページ数5
ジャーナルJournal of Magnetism and Magnetic Materials
423
DOI
出版物ステータスPublished - 2017 2 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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