Strong Magnetic Anisotropy of Epitaxial PrVO3 Thin Films on SrTiO3 Substrates with Different Orientations

Strong Magnetic Anisotropy of Epitaxial PrVO3 Thin Films on SrTiO3 Substrates with Different Orientations

We have probed the structural and magnetic properties of PrVO3 (PVO) thin films grown on the (001)-, (110)-, and (111)-oriented SrTiO3 (STO) substrates. By changing the substrate orientation, the film out-of-plane orientation can be tuned to [110], [100]/[010], and [011]/[311], with different in-pla...

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Veröffentlicht in:ACS applied materials & interfaces 2020-08, Vol.12 (31), p.35606-35613
Hauptverfasser: Kumar, Deepak, David, Adrian, Fouchet, Arnaud, Pautrat, Alain, Boullay, Philippe, Jung, Chang Uk, Prellier, Wilfrid
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Surfaces, Interfaces, and Applications
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container_end_page 35613
container_issue 31
container_start_page 35606
container_title ACS applied materials & interfaces
container_volume 12
creator Kumar, Deepak
David, Adrian
Fouchet, Arnaud
Pautrat, Alain
Boullay, Philippe
Jung, Chang Uk
Prellier, Wilfrid
description We have probed the structural and magnetic properties of PrVO3 (PVO) thin films grown on the (001)-, (110)-, and (111)-oriented SrTiO3 (STO) substrates. By changing the substrate orientation, the film out-of-plane orientation can be tuned to [110], [100]/[010], and [011]/[311], with different in-plane crystallographic variants. Accommodation of these variants on the different substrates implies different strain states, which have direct influence on the magnetic properties of PVO films. The magnetic moment of PVO films radically enhances from 0.4 μB/f.u. for STO(001) to 2.3 μB/f.u. for STO(111). While films on the (001)-oriented STO substrate display out-of-plane anisotropy, an in-plane anisotropy is observed for films grown on the (110)- and (111)-oriented STO substrates. In addition, a strong uniaxial magnetic anisotropy is also extracted for a partially relaxed film on the (110)-oriented STO substrate. Such findings can help oxide community for the better understanding of magnetic anisotropy in vanadate thin films, a subject that still suffer from significant lack of scientific investigations.
doi_str_mv 10.1021/acsami.0c07794
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title Strong Magnetic Anisotropy of Epitaxial PrVO3 Thin Films on SrTiO3 Substrates with Different Orientations
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