Magnetic and magneto-optical properties of Fe-doped SrTi O3 films

Hyun Suk Kim; Lei Bi; G. F. Dionne; C. A. Ross

doi:10.1063/1.2977963

Magnetic and magneto-optical properties of Fe-doped SrTi O3 films

Hyun Suk Kim, Lei Bi, G. F. Dionne, C. A. Ross

Department of Energy and Materials Engineering

Massachusetts Institute of Technology

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

81 Scopus citations

Abstract

Epitaxial films of magnetically doped Sr Ti1-x Fex O3 (x≤0.5) were grown on (001) LaAl O3 substrates by pulsed laser deposition. Structural and magnetic studies indicate that the observed ferromagnetism is intrinsic rather than from an impurity phase. The higher transparency with Fe doping is attributed to charge compensation resulting from hole doping by Fe incorporation into the SrTi O3 lattice. Sr Ti0.6 Fe0.4 O3 has a reasonably high Faraday rotation of 0.078 degμm accompanied by low optical loss (0.07 dBμm), which makes it a promising candidate for integrated waveguide isolator applications.

Original language	English
Article number	092506
Journal	Applied Physics Letters
Volume	93
Issue number	9
DOIs	https://doi.org/10.1063/1.2977963
State	Published - 2008

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abstract = "Epitaxial films of magnetically doped Sr Ti1-x Fex O3 (x≤0.5) were grown on (001) LaAl O3 substrates by pulsed laser deposition. Structural and magnetic studies indicate that the observed ferromagnetism is intrinsic rather than from an impurity phase. The higher transparency with Fe doping is attributed to charge compensation resulting from hole doping by Fe incorporation into the SrTi O3 lattice. Sr Ti0.6 Fe0.4 O3 has a reasonably high Faraday rotation of 0.078 degμm accompanied by low optical loss (0.07 dBμm), which makes it a promising candidate for integrated waveguide isolator applications.",

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AU - Bi, Lei

AU - Dionne, G. F.

AU - Ross, C. A.

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AB - Epitaxial films of magnetically doped Sr Ti1-x Fex O3 (x≤0.5) were grown on (001) LaAl O3 substrates by pulsed laser deposition. Structural and magnetic studies indicate that the observed ferromagnetism is intrinsic rather than from an impurity phase. The higher transparency with Fe doping is attributed to charge compensation resulting from hole doping by Fe incorporation into the SrTi O3 lattice. Sr Ti0.6 Fe0.4 O3 has a reasonably high Faraday rotation of 0.078 degμm accompanied by low optical loss (0.07 dBμm), which makes it a promising candidate for integrated waveguide isolator applications.

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JO - Applied Physics Letters

JF - Applied Physics Letters

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ER -

Magnetic and magneto-optical properties of Fe-doped SrTi O3 films

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