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Mostrando ítems 481-490 de 633
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Thermodynamic study of commensurate-incommensurate phase transitions in Rb2ZnCl4
(American Physical Society, 1999)
We have performed simultaneous measurements of heat capacity and dielectric constant on a high-quality single crystal of Rb2ZnCl4 near the commensurate-incommensurate transition area. Maximum heat capacity is found to be ...
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Magnetic and Structural Characterization of Mo-Hitperm Alloys with Different Fe/Co Ratio
(Elsevier, 2011)
The influence of the Co content on the microstructure and magnetic behaviour of a series of amorphous and nanocrystalline (FeCo) 79Mo8Cu1B12 alloys is reported. Changes in the magnetic properties provoked by the microstructural ...
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Estudio comparativo de técnicas de preparación de muestras para microscopía electrónica de transmisión de recubrimientos cerámicos proyectados por plasma
(2000)
El desarrollo de materiales avanzados, con microestructuras cada vez más complejas, supone un reto constante de desarrollo y aplicación de técnicas que permitan el análisis de la microestructura de forma eficiente. En el ...
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Role of starting phase of boron on the mechanical alloying of FeNbB composition
(Elsevier, 2013)
Mechanical alloyed Fe75Nb10B15 systems, prepared with crystalline or commercial amorphous boron and a similar composition with the same Fe/Nb ratio but no boron, have been studied as a function of milling time in the aim ...
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Structure and Molecular Conformation of l-(4-Acetyl-5-methyl-2-furyl)- 1,3-dideoxy-3-nitro-fl-D-xylopyranose
(International Union of Crystallography, 1980)
The crystal structure of C I2HIsNO7 has been determined at room temperature. Crystals are tetragonal, space group P432~2, Z = 8, with a -- 12.039 (1), c = 17.979 (4)A. 1304 observed reflexions contributed to the ...
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Tunable magnetocaloric effect in Gd-based glassy ribbons
(AIP Publishing, 2011)
The series of glassy ribbons Gd 60 M 30 In 10 ( M ¼ Mn, Co, Ni, Cu) was synthesized by melt-spinning. The change of transition element M in these Gd-based metallic glasses was proven to induce huge variations ...
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Tunable Structure and Connectivity of Organosilica Hybrid Films by Using Different Epoxy Based Precursors in Atmospheric Plasma Deposition
(Elsevier, 2020)
Organosilica hybrid films and fluorinated organosilica hybrid films have been successfully deposited using atmospheric plasma deposition. Different precursors, which incorporates epoxy groups in their molecules, were used ...
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Phase coexistence in highly deuterated ferroelectric triglycine selenate: Landau description
(IOP Publishing Ltd., 2006-12-01)
The phase transition in a 90% deuterated sample of TGSe has been investigated by calorimetric and dielectric measurements. As a consequence of the presence of an internal crack in the sample, the transition takes place in ...
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Structure of supercritically dried calcium silicate hydrates (C-S-H) and structural changes induced by weathering
(Springer Nature, 2013)
The nanostructure of supercritically dried calcium silicate hydrates was researched. This particular drying procedure was used to avoid nanostructure modifications due to conventional drying processes. Thus, in this study, ...