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Article

Influence of Thickness on the Magnetic and Magnetotransport Properties of Epitaxial La0.7Sr0.3MnO3 Films Deposited on STO (0 0 1)

National Institute of Materials Physics, Atomistilor 405A, 077125 Magurele, Romania
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Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Alain Pignolet
Nanomaterials 2021, 11(12), 3389; https://doi.org/10.3390/nano11123389
Received: 2 November 2021 / Revised: 29 November 2021 / Accepted: 11 December 2021 / Published: 14 December 2021
(This article belongs to the Special Issue Functionalized Magnetic Nanomaterials)
Epitaxial La0.7Sr0.3MnO3 films with different thicknesses (9–90 nm) were deposited on SrTiO3 (0 0 1) substrates by pulsed laser deposition. The films have been investigated with respect to morpho-structural, magnetic, and magneto-transport properties, which have been proven to be thickness dependent. Magnetic contributions with different switching mechanisms were evidenced, depending on the perovskite film thickness. The Curie temperature increases with the film thickness. In addition, colossal magnetoresistance effects of up to 29% above room temperature were evidenced and discussed in respect to the magnetic behavior and film thickness. View Full-Text
Keywords: thin films; Curie temperature; colossal magnetoresistance; magnetometry thin films; Curie temperature; colossal magnetoresistance; magnetometry
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MDPI and ACS Style

Greculeasa, S.G.; Stanciu, A.-E.; Leca, A.; Kuncser, A.; Hrib, L.; Chirila, C.; Pasuk, I.; Kuncser, V. Influence of Thickness on the Magnetic and Magnetotransport Properties of Epitaxial La0.7Sr0.3MnO3 Films Deposited on STO (0 0 1). Nanomaterials 2021, 11, 3389. https://doi.org/10.3390/nano11123389

AMA Style

Greculeasa SG, Stanciu A-E, Leca A, Kuncser A, Hrib L, Chirila C, Pasuk I, Kuncser V. Influence of Thickness on the Magnetic and Magnetotransport Properties of Epitaxial La0.7Sr0.3MnO3 Films Deposited on STO (0 0 1). Nanomaterials. 2021; 11(12):3389. https://doi.org/10.3390/nano11123389

Chicago/Turabian Style

Greculeasa, Simona Gabriela, Anda-Elena Stanciu, Aurel Leca, Andrei Kuncser, Luminita Hrib, Cristina Chirila, Iuliana Pasuk, and Victor Kuncser. 2021. "Influence of Thickness on the Magnetic and Magnetotransport Properties of Epitaxial La0.7Sr0.3MnO3 Films Deposited on STO (0 0 1)" Nanomaterials 11, no. 12: 3389. https://doi.org/10.3390/nano11123389

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