Induced Ti magnetization at La0.7Sr0.3MnO3 and BaTiO3 interfaces | Zendy

Yaohua Liu | Zendy; J. Tornos | Zendy; S. G. E. te Velthuis | Zendy; J. W. Freeland | Zendy; Hua Zhou | Zendy; P. Steadman | Zendy; P. Benčok | Zendy; C. León | Zendy; J. Santamarı́a | Zendy

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Induced Ti magnetization at La0.7Sr0.3MnO3 and BaTiO3 interfaces

Author(s) -

Yaohua Liu,

J. Tornos,

S. G. E. te Velthuis,

J. W. Freeland,

Hua Zhou,

P. Steadman,

P. Benčok,

C. León,

J. Santamarı́a

Publication year - 2016

Publication title -

apl materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.571

H-Index - 60

ISSN - 2166-532X

DOI - 10.1063/1.4946756

Subject(s) - materials science , multiferroics , ferroelectricity , dichroic glass , magnetization , ferromagnetism , condensed matter physics , absorption (acoustics) , optoelectronics , composite material , dielectric , magnetic field , physics , quantum mechanics

In artificial multiferroics hybrids consisting of ferromagnetic La0.7Sr0.3MnO3 (LSMO) and ferroelectric BaTiO3 epitaxial layers, net Ti moments are found from polarized resonant soft x-ray reflectivity and absorption. The Ti dichroic reflectivity follows the Mn signal during the magnetization reversal, indicating exchange coupling between the Ti and Mn ions. However, the Ti dichroic reflectivity shows stronger temperature dependence than the Mn dichroic signal. Besides a reduced ferromagnetic exchange coupling in the interfacial LSMO layer, this may also be attributed to a weak Ti-Mn exchange coupling that is insufficient to overcome the thermal energy at elevated temperatures

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