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Structural and mechanical properties of La0.6Sr0.4M0.1Fe0.9O3-δ (M: Co, Ni and Cu) perovskites

Universidad Autónoma de Nuevo León

 
Relación http://eprints.uanl.mx/11595/
http://doi.org/10.1016/j.ceramint.2016.10.185
doi:10.1016/j.ceramint.2016.10.185
 
Título Structural and mechanical properties of La0.6Sr0.4M0.1Fe0.9O3-δ (M: Co, Ni and Cu) perovskites
 
Autor Akbari Fakhrabadi, A.
Meruane, V.
Jamshidijam, M.
Gracia Pinilla, Miguel Ángel
García, R.
Orellana, M.
 
Tema QC Física
QD Química
TJ Ingeniería Mecánica
 
Descripción La0.6Sr0.4M0.1Fe0.9O3-δ (M: Co, Ni and Cu) perovskite
nanostructures were synthesized using low frequency ultrasound assisted synthesis technique and effect of substitution of Fe by Co, Ni and Cu on
crystal structure and mechanical properties in La0.6Sr0.4FeO3-δ perovskite were studied. The HRTEM and Rietveld refinement analyses revealed the uniform equi-axial shape of the obtained nanostructures with
the existence of La0.6Sr0.4M0.1Fe0.9O3−δ with mixed rhombohedral and orthorhombic structures. Substitution of Cu decreases the melting point of La0.6Sr0.4FeO3-δ. The results of mechanical characterizations show
that La0.6Sr0.4Co0.1Fe0.9O3−δ and La0.6Sr0.4Ni0.1Fe0.9O3−δ have
ferroelastic behavior and comparable elastic moduli, however, subtitution
of Ni shows higher hardness and lower fracture toughness than Co in Bsite
doping
 
Publicador Ceramurgica
 
Fecha 2016-10-03
 
Tipo Artículo
PeerReviewed
 
Formato text
 
Idioma en
 
Derechos cc_by_nc_nd
 
Enlace http://eprints.uanl.mx/11595/1/CERI-D-16-07308.pdf
Akbari Fakhrabadi, A. y Meruane, V. y Jamshidijam, M. y Gracia Pinilla, Miguel Ángel y García, R. y Orellana, M. (2016) Structural and mechanical properties of La0.6Sr0.4M0.1Fe0.9O3-δ (M: Co, Ni and Cu) perovskites. Ceramics international. ISSN 0272-8842 (Por publicarse)