4.5 Article

Fabrication of three-dimensional epitaxial (Fe,Zn)3O4 nanowall wire structures and their transport properties

Journal

APPLIED PHYSICS EXPRESS
Volume 7, Issue 4, Pages -

Publisher

IOP PUBLISHING LTD
DOI: 10.7567/APEX.7.045201

Keywords

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Funding

  1. Management Expenses Grants for National University Corporations from the Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT)
  2. Nanotechnology Platform Project (Nanotechnology Open Facilities in Osaka University) of MEXT [S-12-OS-0002, F-12-OS-0005]
  3. Industrial Technology Research Grant Program from the New Energy and Industrial Technology Development Organization (NEDO) of Japan
  4. [21676001]
  5. [25800178]
  6. Grants-in-Aid for Scientific Research [25790041, 21676001, 23360295] Funding Source: KAKEN

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We have established a unique technique to fabricate three-dimensional (3D) well-defined transition-metal oxide epitaxial nanostructures. Fabrication of epitaxial spinel ferrite Fe2.2Zn0.8O4 (FZO) nanowall wires with a tunable width down to 20 nm was achieved. Cross-sectional transmission electron microscopy revealed the existence of an epitaxially matched lateral interface between the FZO nanowall wire and the side surface of 3D-MgO substrate. Magnetoresistance measurements showed ferromagnetic properties of the FZO nanowall wire at 300 K. The role of antiphase boundaries on the functionalities of the FZO nanoconfined wire is discussed. (C) 2014 The Japan Society of Applied Physics

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