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Open AccessArticle

Structural Aspects LiNbO3 Nanoparticles and Their Ferromagnetic Properties

Departamento de Física y Matemáticas, Instituto de Ingeniería y Tecnología, Universidad Autónoma de Cd. Juárez, Avenida del Charro #450 N. Cd. Juárez, Chihuahua, C.P. 32310, Mexico
Materials Research and Technology Institute, University of Texas at El Paso, 500 W, University Ave, El Paso, TX 79968, USA
Kleberg Advanced Microscopy Center, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249, USA
Centro de Investigación en Materiales Avanzados S.C., Laboratorio Nacional de Nanotecnología, Miguel de Cervantes 120, Complejo Industrial Chihuahua, Chihuahua, Apdo. Postal 31109, Mexico
Author to whom correspondence should be addressed.
Materials 2014, 7(11), 7217-7225;
Received: 1 May 2014 / Revised: 12 June 2014 / Accepted: 26 June 2014 / Published: 28 October 2014
(This article belongs to the Special Issue Ultra Thin Ferroic Materials)
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. View Full-Text
Keywords: scanning transmission electron microscopy (STEM); nanoparticles; lithium niobate; ferroelectric; ferromagnetic scanning transmission electron microscopy (STEM); nanoparticles; lithium niobate; ferroelectric; ferromagnetic
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Diaz-Moreno, C.A.; Farias-Mancilla, R.; Elizalde-Galindo, J.T.; González-Hernández, J.; Hurtado-Macias, A.; Bahena, D.; José-Yacamán, M.; Ramos, M. Structural Aspects LiNbO3 Nanoparticles and Their Ferromagnetic Properties. Materials 2014, 7, 7217-7225.

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