The effect of post-annealing on the structure and magnetotransport properties of Pr0.5Sr0.5MnO3 thin film | Zendy

Liping Chen | Zendy; Jiali Zeng | Zendy; Miao Li | Zendy; Zhenhua Tang | Zendy; Ju Gao | Zendy

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The effect of post-annealing on the structure and magnetotransport properties of Pr0.5Sr0.5MnO3 thin film

Author(s) -

Liping Chen,

Jiali Zeng,

Miao Li,

Zhenhua Tang,

Ju Gao

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4978634

Subject(s) - materials science , magnetoresistance , ferromagnetism , annealing (glass) , condensed matter physics , pulsed laser deposition , antiferromagnetism , thin film , epitaxy , transition temperature , superconductivity , composite material , magnetic field , nanotechnology , physics , layer (electronics) , quantum mechanics

Pr0.5Sr0.5MnO3 (PSMO) thin film is epitaxially grown on (001)-oriented LaAlO3 single-crystal substrate using pulsed laser deposition (PLD). It is found that the as-grown PSMO film shows compressive strain in plane and tensile strain out of the plane. Upon annealing at 900°C in the air, the strain is significantly relaxed. The paramagnetic to ferromagnetic phase transition temperature TC shifts from 200 K to 220 K, and the antiferromagnetic insulating phase is suppressed in the phase separated state at low temperature. In addition, the magnetoresistance (MR) is found to increase around the ferromagnetic transition temperature, whereas it decreases from 99% to 60% at low temperature of 20 K.published_or_final_versio

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