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Physical Review B - Condensed Matter and Materials Physics(6)
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Ciencia de materiales(15)
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Comparative study of the pressure dependence of optical-phonon transverse-effective charges and linewidths in wurtzite InN
ArticleAbstract: We investigate the hydrostatic pressure dependence of the zone center optical phonons of c-plane andPalabras claves:Autores:Callsen G., Choi S.J., Da Silva K.P., Goñi A.R., Jorge Serrano, Reparaz J.S., Romero A.H., Speck J.S., Wagner M.R.Fuentes:scopusGround state geometries and hysteresis loops of small granular ferrofluids as function of coating
ArticleAbstract: A simple numerical algorithm to identify lowest energy configurations of a ferrofluid is presented.Palabras claves:Ferrofluids, Magnetic nanoparticles, Minimization techniquesAutores:José Mejía-López, Romero A.H.Fuentes:scopusFinite size effects on the magnetocrystalline anisotropy energy in Fe magnetic nanowires from first principles
ArticleAbstract: The geometric and the electronic structures, the magnetic moments, and the magnetocrystalline anisotPalabras claves:ab initio calculations, Magnetic anisotropy, Magnetic nanowires, Magnetic phase transitionAutores:José Mejía-López, Morán-López J.L., Munoz F., Romero A.H.Fuentes:scopusFirst-principles study of electronic, vibrational, elastic, and magnetic properties of FeF <inf>2</inf> as a function of pressure
ArticleAbstract: We report systematic ab initio calculations of the electronic band structure, phonon dispersion relaPalabras claves:Autores:José Mejía-López, López-Moreno S., Muñoz A., Romero A.H., Roshchin I.V.Fuentes:scopusEffect of pressure on the Raman scattering of wurtzite AlN
Conference ObjectAbstract: High-pressure Raman spectra of wurtzite aluminum nitride were measured up to 25 GPa. The Raman-activPalabras claves:Autores:Errandonea D., Garro N., Jorge Serrano, Kuball M., Manjón F.J., Romero A.H.Fuentes:scopusNoncollinear magnetism, spin frustration, and magnetic nanodomains in small Mnn clusters
ArticleAbstract: We propose a theoretical explanation for the puzzling size dependence of the magnetic properties ofPalabras claves:Autores:Garcia M.E., José Mejía-López, Morán-López J.L., Romero A.H.Fuentes:scopusMeasurement of the vortex core in sub-100 nm Fe dots using polarized neutron scattering
ArticleAbstract: We use polarized neutron scattering to obtain quantitative information about the magnetic state of sPalabras claves:Autores:Altbir D., Batlle X., Fitzsimmons M.R., José Mejía-López, Li C.P., Park S., Pynn R., Romero A.H., Roshchin I.V., Roy S., Schuller I.K., Sinha S.K., Suhl H.Fuentes:scopusLattice dynamics of wurtzite and rocksalt AlN under high pressure: Effect of compression on the crystal anisotropy of wurtzite-type semiconductors
ArticleAbstract: Raman spectra of aluminum nitride (AlN) under pressure have been measured up to 25 GPa, i.e., beyondPalabras claves:Autores:Errandonea D., Garro N., Jorge Serrano, Kuball M., Manjón F.J., Romero A.H.Fuentes:scopusUniaxial magnetic anisotropy energy of fe wires embedded in carbon nanotubes
ArticleAbstract: In this work, we analyze the magnetic anisotropy energy (MAE) of Fe cylinders embedded within zigzagPalabras claves:carbon nanotubes, Encapsulated metal nanowires, Magnetic arrangement, Magneto-anisotropyAutores:José Mejía-López, Munoz F., Pérez-Acle T., Romero A.H.Fuentes:scopusSilent Raman modes in zinc oxide and related nitrides
ArticleAbstract: Anomalous Raman modes have been reported in several recent papers dealing with doped- and undoped-ZnPalabras claves:Autores:Jorge Serrano, Manjón F.J., Marí B., Romero A.H.Fuentes:scopus