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Carpinteiro, F.
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Publications (4/4 displayed)
- 2021Versatile Seebeck and electrical resistivity measurement setup for thin filmscitations
- 2010High-Field Magnetoresistance of La0.67Sr0.33MnO3 Thin Films Deposited on LiNbO3 Substratescitations
- 2009The effect of pinhole formation/growth on the tunnel magnetoresistance of MgO-based magnetic tunnel junctionscitations
- 2008Structural, magnetic and transport properties of ion beam deposited Co thin filmscitations
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article
High-Field Magnetoresistance of La0.67Sr0.33MnO3 Thin Films Deposited on LiNbO3 Substrates
Abstract
Colossal magnetoresistive manganites have been widely studied due to their potential use in sensor and device applications. In this work, La0.67Sr0.33MnO3 thin films were deposited by pulsed laser ablation on LiNbO3 substrates and magnetoresistance measurements were performed using pulsed magnetic fields up to 25 T. The corresponding magnetoconductance of the films was fitted in order to obtain the grain boundary (GB) contribution to the transport properties. The observed temperature dependence of the fitting parameters was indicative of antiferromagnetism across GB spins and reflected the progressive reduction of magnetic ordering with increasing temperature.