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Structural Aspects LiNbO₃ Nanoparticles and Their Ferromagnetic Properties
Carlos A Diaz-Moreno1, Rurik Farias-Mancilla2, Jose T Elizalde-Galindo3
1Materials Research and Technology Institute, University of Texas at El Paso, 500 W, University Ave, El Paso, TX 79968, USA. carlos.alejandro.diaz.moreno@gmail.com.
Abstract:
We present a solid-state synthesis of ferromagnetic lithium niobate nanoparticles (LiNbO₃) and their corresponding structural aspects. In order to investigate the effect of heat treatments, two batches of samples with a heat-treated (HT) and non-heat-treated (nHT) reduction at 650 °C in 5% of hydrogen/argon were considered to investigate the multiferroic properties and their corresponding structural aspects; using magnetometry and scanning transmission electron microscopy (STEM). Results indicate the existence of ferromagnetic domains with a magnetic moment per unit cell of 5.24 × 10-3 μB; caused mainly due to voids and defects on the nanoparticle surface, as confirmed by STEM measurements.
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