Listar Artículos (Física de la Materia Condensada) por fecha de publicación
Mostrando ítems 41-60 de 643
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X-ray Structure of a (o-ga/acto-Pentaacetoxypentyl)pyrazoline
(International Union of Crystallography, 1989)1-(3,5-Dimethyl-3-nitro-1-pyrazolin-4-yl) penta-0-acetyl-o-galacto-pentitol, e20H29N 3012, Mr= 503·5, orthorhombic, ...
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Estructura de dislocaciones en ZRO2 totalmente estabilizado deformado a alta temperatura
(1989)Se ha estudiado por microscopía electrónica de transmisión la microestructura de deformación a altas temperaturas ...
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Configuración de fisuras en Y-FSZ
(1990)La microdureza Vickers de monocristales de 4.5 mol % de Y-PSZ ha sido estudiada hasta temperaturas de 1000QC. Se utilizaron ...
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Incommensurate instability and lattice dynamics of potassium selenate within a semiempirical rigid-ion model
(American Institute of Physics Publising LLC, 1990)The lattice dynamics of potassium selenate is analyzed using a rigid-ion model with the selenate groups reduced to rigid ...
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Uso de la espectroscopía Raman en la determinación de fases en Y-PSZ monocristalino
(1991)Se ha estudiado la estabilidad de la fase tetragonal en monocristales de Zr02 parcialmente estabilizados con 3,4; 4,7 y ...
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Structure of 5,5-dimethyl-2-(4-nitrophenylaminomethylene)-1,3- cyclohexanedione
(International Union of Crystallography, 1991)CIsHI6N204, triclinic, P1, a = 12.719 (3), b= 7.485 (2), c= 7.728 (2) A, a =93"18 (2), fl = 100-40 (2), 3' = 99-24 (2) ...
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Materiales cerámicos tenaces a base de ZrO2: microestructura y propiedades mecánicas
(1991)El desarrollo de los materiales cerámicos estructurales está permitiendo disminuir la fragilidad inherente á los materiales ...
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Low-frequency excitations in a molecular glass: Single-particle dynamics
(American Institute of Physics Publising LLC, 1992)The low-frequency dynamics of a molecular glass former has been investigated by means of inelastic neutron scattering from ...
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Collective excitations in liquid methanol: A comparison of molecular, lattice-dynamics, and neutron-scattering results
(American Institute of Physics, 1992)The collective dynamics of liquid methanol‐d4 is studied by means of molecular‐dynamics simulation. The model potential ...
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Ionic conductivity of ZrO2-12 mol% Y2O3 single crystals
(APS Physics, 1993)Fast ionic conductors are important to study because of their use in the construction of technologically useful devices ...
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Low-frequency excitations in glassy selenium: A comparison of neutron-scattering and molecular-dynamics results
(American Institute of Physics Publising LLC, 1993)The microscopic low-frequency dynamics of glassy selenium is investigated by means of the concurrent use of neutron inelastic ...
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Alteración de las propiedades mecánicas por formación de precipitado en ZrO2 parcialmente estabilizado con Y2O3
(1993)Se ha estudiado el comportamiento mecánico a altas temperaturas del Zr02 monocristalino parcialmente estabilizado con 4. ...
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Thermal transport in glassy selenium: The role of low-frequency librations
(American Institute of Physics Publising LLC, 1994)The experimental curves giving the temperature dependence of the thermal conductivity of glassy selenium are considered ...
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Creep and diffusion in high Tc superconductors
(EDP Sciences, 1994)Data from steady-state creep and tracer diffusion tests are presented for the high- $T_{\rm c}$, superconductors YBa 2Cu ...
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Multiplicity and oscillations in a model for catalyzed oxidation of carbon monoxide
(American Institute of Physics Publising LLC, 1994)We extend a model proposed for explaining multiplicity and oscillations of concentrations and temperature in catalyzed ...
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Optical phonons, crystal-field transitions, and europium luminescence-excitation processes in Eu2BaCoO5: Experiment and theory
(American Institute of Physics Publising LLC, 1994)The Europium compound Eu2BaCoO5 has been studied by means of Raman and x-ray-absorption spectroscopies. The eigenfunctions ...
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Correlated atomic motions in glassy selenium
(American Institute of Physics Publising LLC, 1994)The elastic and total (energy-integrated) structure factors for glassy selenium have been measured by means of neutron ...
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Espectroscopia de impedancía de monocristales 4.7 mol% Y-PSZ
(Sociedad Española de Cerámica y Vidrio, 1995)El ajuste mediante el método Rietveld del espectro de difracción de rayos-X de un monocristal Zr02-4.7mol%Y203, muestra ...
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Activation entropy and Gibbs free energy for conduction in yttria–stabilized-zirconia single crystals
(American Physical Society, 1995)The temperature dependence of the activation Gibbs free energy [ΔG(T)] and entropy [ΔS(T)] associated with electric ...