Microwave absorption of ε-Fe2O3 precipitated from sputter deposited Fe–Si–O amorphous thin film by thermal annealing

Akinori Sawada, Yuji Masubuchi, Teruki Motohashi, Masahide Sasaki, Shinichi Kikkawa

doi:10.1016/j.matlet.2013.10.015

Description

Abstract Granular magnetic thin films were prepared by thermal annealing of rf-sputter-deposited Fe–Si–O amorphous films. The particle size of the precipitated Fe 2 O 3 was controlled to obtain a pure e-phase by adjusting the target chemical composition to an atomic ratio SiO 2 /Fe 2 O 3 =2 and annealing for 1 to 3 h at 900 °C. For a film annealed for 100 min, an almost symmetrical ferromagnetic resonance signal was observed, with no evidence of residual ferric ions in the amorphous silica matrix.

Journal

Materials Letters

Materials Letters 115 198-200, 2014-01-01

Elsevier BV

Details 詳細情報について

CRID: 1873116917588935424

DOI: 10.1016/j.matlet.2013.10.015

ISSN: 0167577X

Data Source

OpenAIRE

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