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

Azusa N. Hattori; Yasushi Fujiwara; Kohei Fujiwara; Yasukazu Murakami; Daisuke Shindo; Hidekazu Tanaka

doi:10.7567/APEX.7.045201

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

Azusa N. Hattori, Yasushi Fujiwara, Kohei Fujiwara, Yasukazu Murakami, Daisuke Shindo, Hidekazu Tanaka

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

We have established a unique technique to fabricate three-dimensional (3D) well-defined transition-metal oxide epitaxial nanostructures. Fabrication of epitaxial spinel ferrite Fe_2.2Zn_0.8O₄ (FZO) nanowall wires with a tunable width down to 20nm 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.

Original language	English
Article number	045201
Journal	Applied Physics Express
Volume	7
Issue number	4
DOIs	https://doi.org/10.7567/APEX.7.045201
Publication status	Published - Apr 2014
Externally published	Yes

All Science Journal Classification (ASJC) codes

Engineering(all)
Physics and Astronomy(all)

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abstract = "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 20nm 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.",

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AU - Hattori, Azusa N.

AU - Fujiwara, Yasushi

AU - Fujiwara, Kohei

AU - Murakami, Yasukazu

AU - Shindo, Daisuke

AU - Tanaka, Hidekazu

PY - 2014/4

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N2 - 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 20nm 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.

AB - 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 20nm 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.

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

Abstract

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