Interface-induced magnetic coupling in multiferroic/ferromagnetic bilayer: An ultrafast pump-probe study

C. La-O-Vorakiat; Y. Tian; T. Wu; C. Panagopoulos; J. X. Zhu; Haibin Su; Elbert E.M. Chia

doi:10.1063/1.4870580

Interface-induced magnetic coupling in multiferroic/ferromagnetic bilayer: An ultrafast pump-probe study

C. La-O-Vorakiat, Y. Tian, T. Wu, C. Panagopoulos, J. X. Zhu, Haibin Su, Elbert E.M. Chia

Physical Sciences and Engineering

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

6 Scopus citations

Abstract

By use of optical pump-probe measurement, we study the relaxation dynamics of a multiferroic-ferromagnetic TbMnO₃/La_0.7Sr _0.3MnO₃ bilayer. The relaxation dynamics of both layers are well separated in time allowing us to investigate the magnetic coupling across the bilayer. We observe that the relaxation dynamics of the individual layers in the bilayer sample are the result of the interplay between the intrinsic magnetic order and the induced interfacial effect. Our data suggest the existence of induced ferromagnetic order in the TbMnO₃ layer and antiferromagnetic order in the La_0.7Sr_0.3MnO₃ layer.

Original language	English (US)
Article number	141602
Journal	Applied Physics Letters
Volume	104
Issue number	14
DOIs	https://doi.org/10.1063/1.4870580
State	Published - Apr 7 2014

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.4870580

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title = "Interface-induced magnetic coupling in multiferroic/ferromagnetic bilayer: An ultrafast pump-probe study",

abstract = "By use of optical pump-probe measurement, we study the relaxation dynamics of a multiferroic-ferromagnetic TbMnO3/La0.7Sr 0.3MnO3 bilayer. The relaxation dynamics of both layers are well separated in time allowing us to investigate the magnetic coupling across the bilayer. We observe that the relaxation dynamics of the individual layers in the bilayer sample are the result of the interplay between the intrinsic magnetic order and the induced interfacial effect. Our data suggest the existence of induced ferromagnetic order in the TbMnO3 layer and antiferromagnetic order in the La0.7Sr0.3MnO3 layer.",

author = "C. La-O-Vorakiat and Y. Tian and T. Wu and C. Panagopoulos and Zhu, {J. X.} and Haibin Su and Chia, {Elbert E.M.}",

year = "2014",

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doi = "10.1063/1.4870580",

language = "English (US)",

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TY - JOUR

T1 - Interface-induced magnetic coupling in multiferroic/ferromagnetic bilayer

T2 - An ultrafast pump-probe study

AU - La-O-Vorakiat, C.

AU - Tian, Y.

AU - Wu, T.

AU - Panagopoulos, C.

AU - Zhu, J. X.

AU - Su, Haibin

AU - Chia, Elbert E.M.

PY - 2014/4/7

Y1 - 2014/4/7

N2 - By use of optical pump-probe measurement, we study the relaxation dynamics of a multiferroic-ferromagnetic TbMnO3/La0.7Sr 0.3MnO3 bilayer. The relaxation dynamics of both layers are well separated in time allowing us to investigate the magnetic coupling across the bilayer. We observe that the relaxation dynamics of the individual layers in the bilayer sample are the result of the interplay between the intrinsic magnetic order and the induced interfacial effect. Our data suggest the existence of induced ferromagnetic order in the TbMnO3 layer and antiferromagnetic order in the La0.7Sr0.3MnO3 layer.

AB - By use of optical pump-probe measurement, we study the relaxation dynamics of a multiferroic-ferromagnetic TbMnO3/La0.7Sr 0.3MnO3 bilayer. The relaxation dynamics of both layers are well separated in time allowing us to investigate the magnetic coupling across the bilayer. We observe that the relaxation dynamics of the individual layers in the bilayer sample are the result of the interplay between the intrinsic magnetic order and the induced interfacial effect. Our data suggest the existence of induced ferromagnetic order in the TbMnO3 layer and antiferromagnetic order in the La0.7Sr0.3MnO3 layer.

UR - http://www.scopus.com/inward/record.url?scp=84898978293&partnerID=8YFLogxK

U2 - 10.1063/1.4870580

DO - 10.1063/1.4870580

M3 - Article

AN - SCOPUS:84898978293

SN - 0003-6951

VL - 104

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 14

M1 - 141602

ER -

Interface-induced magnetic coupling in multiferroic/ferromagnetic bilayer: An ultrafast pump-probe study

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