Effect of film thickness and biaxial strain on the curie temperature of EuO

A. Melville; T. Mairoser; A. Schmehl; T. Birol; T. Heeg; B. Holländer; J. Schubert; C. J. Fennie; D. G. Schlom

doi:10.1063/1.4789972

Effect of film thickness and biaxial strain on the curie temperature of EuO

A. Melville, T. Mairoser, A. Schmehl, T. Birol, T. Heeg, B. Holländer, J. Schubert, C. J. Fennie, D. G. Schlom

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

22 Scopus citations

Abstract

The effects of film thickness and epitaxial strain on the magnetic properties of commensurate EuO thin films grown on single crystalline (001) yttria-stabilized zirconia (YSZ) and (110) LuAlO₃ substrates are presented. Magnetic measurements show a reduction in the Curie temperature (T_C) for EuO/YSZ films thinner than ∼10 nm. Additionally, the EuO/LuAlO₃ films exhibit a systematically lower T_C than the corresponding EuO/YSZ films. This further reduction in T_C is attributed to the effect of biaxial tensile strain arising from lattice mismatch: 0.0% for EuO/YSZ and +1.0% for EuO/LuAlO₃.

Original language	English (US)
Article number	062404
Journal	Applied Physics Letters
Volume	102
Issue number	6
DOIs	https://doi.org/10.1063/1.4789972
State	Published - Feb 11 2013
Externally published	Yes

Bibliographical note

Funding Information:
The work at Cornell was supported by the AFOSR (Grant No. FA9550-10-1-0123). The work in Augsburg was supported by the DFG (Grant No. TRR 80). A.M. gratefully acknowledges support from the NSF IGERT Program (NSF Award No. DGE-0654193) and by the IMI Program of the National Science Foundation under Award No. DMR 0843934. T.B. and C.J.F. were supported by the DOE-BES # DE-SC0002334.

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title = "Effect of film thickness and biaxial strain on the curie temperature of EuO",

abstract = "The effects of film thickness and epitaxial strain on the magnetic properties of commensurate EuO thin films grown on single crystalline (001) yttria-stabilized zirconia (YSZ) and (110) LuAlO3 substrates are presented. Magnetic measurements show a reduction in the Curie temperature (TC) for EuO/YSZ films thinner than ∼10 nm. Additionally, the EuO/LuAlO3 films exhibit a systematically lower TC than the corresponding EuO/YSZ films. This further reduction in TC is attributed to the effect of biaxial tensile strain arising from lattice mismatch: 0.0% for EuO/YSZ and +1.0% for EuO/LuAlO3.",

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note = "Funding Information: The work at Cornell was supported by the AFOSR (Grant No. FA9550-10-1-0123). The work in Augsburg was supported by the DFG (Grant No. TRR 80). A.M. gratefully acknowledges support from the NSF IGERT Program (NSF Award No. DGE-0654193) and by the IMI Program of the National Science Foundation under Award No. DMR 0843934. T.B. and C.J.F. were supported by the DOE-BES # DE-SC0002334.",

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AU - Melville, A.

AU - Mairoser, T.

AU - Schmehl, A.

AU - Birol, T.

AU - Heeg, T.

AU - Holländer, B.

AU - Schubert, J.

AU - Fennie, C. J.

AU - Schlom, D. G.

N1 - Funding Information: The work at Cornell was supported by the AFOSR (Grant No. FA9550-10-1-0123). The work in Augsburg was supported by the DFG (Grant No. TRR 80). A.M. gratefully acknowledges support from the NSF IGERT Program (NSF Award No. DGE-0654193) and by the IMI Program of the National Science Foundation under Award No. DMR 0843934. T.B. and C.J.F. were supported by the DOE-BES # DE-SC0002334.

PY - 2013/2/11

Y1 - 2013/2/11

N2 - The effects of film thickness and epitaxial strain on the magnetic properties of commensurate EuO thin films grown on single crystalline (001) yttria-stabilized zirconia (YSZ) and (110) LuAlO3 substrates are presented. Magnetic measurements show a reduction in the Curie temperature (TC) for EuO/YSZ films thinner than ∼10 nm. Additionally, the EuO/LuAlO3 films exhibit a systematically lower TC than the corresponding EuO/YSZ films. This further reduction in TC is attributed to the effect of biaxial tensile strain arising from lattice mismatch: 0.0% for EuO/YSZ and +1.0% for EuO/LuAlO3.

AB - The effects of film thickness and epitaxial strain on the magnetic properties of commensurate EuO thin films grown on single crystalline (001) yttria-stabilized zirconia (YSZ) and (110) LuAlO3 substrates are presented. Magnetic measurements show a reduction in the Curie temperature (TC) for EuO/YSZ films thinner than ∼10 nm. Additionally, the EuO/LuAlO3 films exhibit a systematically lower TC than the corresponding EuO/YSZ films. This further reduction in TC is attributed to the effect of biaxial tensile strain arising from lattice mismatch: 0.0% for EuO/YSZ and +1.0% for EuO/LuAlO3.

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Effect of film thickness and biaxial strain on the curie temperature of EuO

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