Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Marcio M. Lage"'
Vibrational Spectroscopy of Ca2LnTaO6 (Ln = lanthanides, Y, and In) and Ca2InNbO6 Double Perovskites
Autor:
Roberto L. Moreira, Marcio M. Lage, Anderson Dias, L. Abdul Khalam, Mailadil Thomas Sebastian
Publikováno v:
Chemistry of Materials. 23:14-20
Ca2LnTaO6 (Ln = lanthanides, Y, and In) and Ca2InNbO6 ceramics were prepared by the solid-state route, and their vibrational properties were investigated using Raman scattering and infrared spectroscopy. The correct crystal structure and phonon mode
Autor:
Marcio M. Lage, Roberto L. Moreira, Anderson Dias, Mailadil Thomas Sebastian, Ganesanpotti Subodh
Publikováno v:
Chemistry of Materials. 20:4347-4355
A2MgTeO6 (A = Ba, Sr, Ca) ceramics were prepared by solid-state route and their microstructure and microwave dielectric properties, as well as the vibrational phonon modes were investigated using the resonance method and spectroscopic techniques for
Publikováno v:
Vibrational Spectroscopy. 39:244-248
Polarized infrared-reflectivity spectra have been obtained for Czochralski-grown YF 3 and LuF 3 single crystals, at room temperature. At this temperature these crystals exhibit an orthorhombic symmetry belonging to the Pnma ( D 2 h 16 ) space group,
Publikováno v:
Chemistry of Materials. 17:4523-4529
Optical quality NaLnF4 single crystals have been obtained from nonstoichiometric melts through the Czochralski technique, for Ln = La, Ce, Pr, Sm, Eu, and Gd. These crystals are potential laser host materials because of their high luminescence effici
Publikováno v:
Journal of Physics: Condensed Matter. 16:3207-3218
We have performed polarized Raman scattering measurements on several Czochralski-grown lanthanide trifluoride (LnF3) crystals presenting the β-YF3 structure (space group: Pnma). The phonon mode assignments for the DyF3 and LuF3 spectra are given for
Autor:
Roberto L. Moreira, Mailadil Thomas Sebastian, L. Abdul Khalam, Anderson Dias, Marcio M. Lage
Publikováno v:
ChemInform. 42
The correct structure and phonon modes for the title compounds are determined by XRD, Raman scattering, and IR spectroscopy.
Publikováno v:
Journal of Applied Physics. 99:053510
Polarized Raman scattering and infrared reflectivity measurements have been used to investigate the crystal structure of Czochralski-grown NaLaF4 single crystals. The phonon symmetries, the simultaneous presence of polar modes in the infrared and Ram