Hideaki Murase

Publications (2)0 Total impact

• Article: Epitaxial growth of ferrimagnetic semiconductor 0.4Fe3O4·0.6Fe2TiO4 solid solution thin films on MgO(100) substrates

  Hideaki Murase, Koji Fujita, Shunsuke Murai, Katsuhisa Tanaka
  [show abstract] [hide abstract]
  ABSTRACT: We have prepared the solid solution thin films with 0.4Fe3O40.6Fe2TiO4 composition (molar ratio) on MgO(100) substrates by a pulsed laser deposition technique and examined their magnetic and electrical properties. The thin films are epitaxially grown on the MgO substrate cube-on-cube relationship and have a flat and smooth surface. The epitaxial thin films show ferrimagnetism with Curie temperature beyond room temperature and exhibit n-type semiconducting behavior.
  Journal of Physics Conference Series 02/2010; 200(6):062013.
• Source

  Available from: Katsuhisa Tanaka

  Article: Epitaxial Growth of Room-Temperature Ferrimagnetic Semiconductor Thin Films Based on Fe3O4-Fe2TiO4 Solid Solution

  Hideaki Murase, Koji Fujita, Shunsuke Murai, Katsuhisa Tanaka
  [show abstract] [hide abstract]
  ABSTRACT: Spinel-type 0.4Fe3O4·0.6Fe2TiO4 (molar ratio) solid solution thin films have been deposited on c-sapphire substrates by a pulsed laser deposition technique. A single phase of (111)-oriented solid solution can be obtained by adjusting the oxygen partial pressure and substrate temperature. The epitaxial solid solution thin film exhibits ferrimagnetism with Curie temperature above room temperature and is a semiconductor with n-type conduction carriers. Anomalous Hall effect is observed at room temperature for the solid solution thin films, implying the presence of spin-polarized charge carriers.