Exchange biases of Co, Py, Co40Fe40B20, Co75Fe25, and Co50Fe50 on epitaxial BiFeO3 films prepared by chemical solution deposition

Hiroshi Naganuma; Mikihiko Ogane; Yasuo Ando

doi:10.1063/1.3563061

Exchange biases of Co, Py, Co₄₀Fe₄₀B₂₀, Co₇₅Fe₂₅, and Co₅₀Fe₅₀ on epitaxial BiFeO₃ films prepared by chemical solution deposition

Hiroshi Naganuma, Mikihiko Ogane, Yasuo Ando

ENG - Applied Physics

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

23 Citations (Scopus)

Abstract

Multiferroic BiFeO₃ epitaxial films were fabricated on SrTiO₃ (100) substrates by a chemical solution deposition method. Magnetic layers of Co, Py, Co₄₀Fe₄₀B₂₀, Co ₇₅Fe₂₅, and Co₅₀Fe₅₀ were then deposited by sputtering under a magnetic field. Despite employing a chemical process, a clear exchange bias was observed for all the magnetic materials. The temperature dependence of H_ex was evaluated for a Co ₅₀Fe₅₀/BiFeO₃ bilayer having a relatively large H_ex and high squareness. The H_ex of Co ₅₀Fe₅₀/BiFeO₃ bilayer increased between 10 to 250 K.

Original language	English
Article number	07D736
Journal	Journal of Applied Physics
Volume	109
Issue number	7
DOIs	https://doi.org/10.1063/1.3563061
Publication status	Published - 2011 Apr 1

ASJC Scopus subject areas

Physics and Astronomy(all)

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title = "Exchange biases of Co, Py, Co40Fe40B20, Co75Fe25, and Co50Fe50 on epitaxial BiFeO3 films prepared by chemical solution deposition",

abstract = "Multiferroic BiFeO3 epitaxial films were fabricated on SrTiO3 (100) substrates by a chemical solution deposition method. Magnetic layers of Co, Py, Co40Fe40B20, Co 75Fe25, and Co50Fe50 were then deposited by sputtering under a magnetic field. Despite employing a chemical process, a clear exchange bias was observed for all the magnetic materials. The temperature dependence of Hex was evaluated for a Co 50Fe50/BiFeO3 bilayer having a relatively large Hex and high squareness. The Hex of Co 50Fe50/BiFeO3 bilayer increased between 10 to 250 K.",

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T1 - Exchange biases of Co, Py, Co40Fe40B20, Co75Fe25, and Co50Fe50 on epitaxial BiFeO3 films prepared by chemical solution deposition

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AU - Ando, Yasuo

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AB - Multiferroic BiFeO3 epitaxial films were fabricated on SrTiO3 (100) substrates by a chemical solution deposition method. Magnetic layers of Co, Py, Co40Fe40B20, Co 75Fe25, and Co50Fe50 were then deposited by sputtering under a magnetic field. Despite employing a chemical process, a clear exchange bias was observed for all the magnetic materials. The temperature dependence of Hex was evaluated for a Co 50Fe50/BiFeO3 bilayer having a relatively large Hex and high squareness. The Hex of Co 50Fe50/BiFeO3 bilayer increased between 10 to 250 K.

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