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Temperature dependence of the magnetization of La0.67Sr0.33MnO3 thin films on LaAlO3

Burema, A. A., van Rijn, J. J. L. & Banerjee, T., Mar-2019, In : Journal of Vacuum Science & Technology A. 37, 2, 4 p., 021103.

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  • Temperature dependence of the magnetization of La0:67Sr0:33MnO3thinfilmson LaAlO3

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The authors report on the interplay between magnetically ordered phases with temperature and magnetic field across compressively strained interfaces of thin La0.67Sr0.33MnO3 films on LaAlO3 substrates. From the temperature dependence of the magnetization and resistivity studies, they find two distinct temperature regimes, where this interplay is clearly exhibited. They ascribe this to the strain induced Jahn-Teller-like distortion that favors the stabilization of the d(3z2) (r2) orbitals and enhances superexchange between adjoining Mn atoms. The temperature and field sweep of the magnetization and electronic transport lead to a hybridization between the closely spaced energy levels of d(3z2 r2) and d(x2) (y2) orbitals leading to the coexistence of ferromagnetic and antiferromagnetic phases. Such an observation, not reported earlier, offers new routes for the design and study of magnetic textures in variously strained interfaces between perovskite oxides. Published by the AVS.

Original languageEnglish
Article number021103
Number of pages4
JournalJournal of Vacuum Science & Technology A
Volume37
Issue number2
Publication statusPublished - Mar-2019

    Keywords

  • SPIN POLARIZATION, PHASE, ANISOTROPY, MAGNETORESISTANCE, TRANSITION, INTERFACE, PHYSICS

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