High-throughput screening of ultraviolet-visible magnetooptical properties of spinel ferrite (Zn,Co)Fe2O4 solid solution epitaxial film by a composition-spread approach

Yosuke Iwasaki; Tomoteru Fukumura; Hisamichi Kimura; Akira Ohkubo; Tetsuya Hasegawa; Yasushi Hirose; Takayuki Makino; Kazunori Ueno; Masashi Kawasaki

doi:10.1143/APEX.3.103001

High-throughput screening of ultraviolet-visible magnetooptical properties of spinel ferrite (Zn,Co)Fe₂O₄ solid solution epitaxial film by a composition-spread approach

Yosuke Iwasaki, Tomoteru Fukumura, Hisamichi Kimura, Akira Ohkubo, Tetsuya Hasegawa, Yasushi Hirose, Takayuki Makino, Kazunori Ueno, Masashi Kawasaki

Advanced Institute for Materials Research (AIMR)

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

6 Citations (Scopus)

Abstract

Spinel ferrite Zn_1-xCoxFe₂O₄ (0 ≤ x ≤ 1) (111) composition-spread thin film was epitaxially grown on an MgAl ₂O₄(111) substrate by combinatorial pulsed laser deposition. Sequential deposition of the two end-compounds with monolayer-period led to the formation of solid solution with addressable composition. Point-by-point ultraviolet-visible magnetic circular dichroism and Faraday rotation angle spectra showed a significant variation with x, and the latter spectra combined with absorption spectra led to the rapid evaluation of magnetooptical performance factor as functions of x and photon energy. A significant enhancement of ultraviolet magnetooptical effect was observed by substituting a small amount of Zn (≤30 at. %) for Co in CoFe ₂O₄.

Original language	English
Article number	103001
Journal	Applied Physics Express
Volume	3
Issue number	10
DOIs	https://doi.org/10.1143/APEX.3.103001
Publication status	Published - 2010 Oct

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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Iwasaki, Y., Fukumura, T., Kimura, H., Ohkubo, A., Hasegawa, T., Hirose, Y., Makino, T., Ueno, K., & Kawasaki, M. (2010). High-throughput screening of ultraviolet-visible magnetooptical properties of spinel ferrite (Zn,Co)Fe₂O₄ solid solution epitaxial film by a composition-spread approach. Applied Physics Express, 3(10), [103001]. https://doi.org/10.1143/APEX.3.103001

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title = "High-throughput screening of ultraviolet-visible magnetooptical properties of spinel ferrite (Zn,Co)Fe2O4 solid solution epitaxial film by a composition-spread approach",

abstract = "Spinel ferrite Zn1-xCoxFe2O4 (0 ≤ x ≤ 1) (111) composition-spread thin film was epitaxially grown on an MgAl 2O4(111) substrate by combinatorial pulsed laser deposition. Sequential deposition of the two end-compounds with monolayer-period led to the formation of solid solution with addressable composition. Point-by-point ultraviolet-visible magnetic circular dichroism and Faraday rotation angle spectra showed a significant variation with x, and the latter spectra combined with absorption spectra led to the rapid evaluation of magnetooptical performance factor as functions of x and photon energy. A significant enhancement of ultraviolet magnetooptical effect was observed by substituting a small amount of Zn (≤30 at. %) for Co in CoFe 2O4.",

author = "Yosuke Iwasaki and Tomoteru Fukumura and Hisamichi Kimura and Akira Ohkubo and Tetsuya Hasegawa and Yasushi Hirose and Takayuki Makino and Kazunori Ueno and Masashi Kawasaki",

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doi = "10.1143/APEX.3.103001",

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AU - Iwasaki, Yosuke

AU - Fukumura, Tomoteru

AU - Kimura, Hisamichi

AU - Ohkubo, Akira

AU - Hasegawa, Tetsuya

AU - Hirose, Yasushi

AU - Makino, Takayuki

AU - Ueno, Kazunori

AU - Kawasaki, Masashi

PY - 2010/10

Y1 - 2010/10

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AB - Spinel ferrite Zn1-xCoxFe2O4 (0 ≤ x ≤ 1) (111) composition-spread thin film was epitaxially grown on an MgAl 2O4(111) substrate by combinatorial pulsed laser deposition. Sequential deposition of the two end-compounds with monolayer-period led to the formation of solid solution with addressable composition. Point-by-point ultraviolet-visible magnetic circular dichroism and Faraday rotation angle spectra showed a significant variation with x, and the latter spectra combined with absorption spectra led to the rapid evaluation of magnetooptical performance factor as functions of x and photon energy. A significant enhancement of ultraviolet magnetooptical effect was observed by substituting a small amount of Zn (≤30 at. %) for Co in CoFe 2O4.

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High-throughput screening of ultraviolet-visible magnetooptical properties of spinel ferrite (Zn,Co)Fe₂O₄ solid solution epitaxial film by a composition-spread approach

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