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Effect of Colloidal Interactions on Formation of Glasses, Gels, Stable Clusters and Structured Films
Colloidal Interactions Formation of Glasses Gels Stable Clusters Structured Films
2014/11/10
Colloidal suspensions are ubiquitous because of their vast industrial and household usage. We demonstrate that interactions between colloidal particles play a crucial role in manipulating the phase be...
On the two-steps relaxation of mean-field glasses: p-spin model
two-steps relaxation mean-field glasses p-spin model
2012/2/24
Critical slowing down dynamics of supercooled glass-forming liquids is usually understood at the mean-field level in the framework of Mode Coupling Theory, providing a two-time relaxation scenario and...
Energy transfer from Cr3+ to Nd3+ and NIR luminescence of Nd3+ in lead borate glasses
lead borate glasses Cr3+ and Nd3+ ions
2011/5/5
Energy transfer processes from Cr3+ to Nd3+ and NIR luminescence of Nd3+ ions at 1.06 μm in Cr–Nd co-doped lead borate glasses have been investigated. The spectroscopic investigation indicates that Cr...
Characterisation of the inner structure and surface of nanoporous sodium-borate-silicate glasses
anoporous glass, X-ray phase analysis of microcrystals, gas adsorption, surface adsorption sites, characteristic IR spectra of the glass surface
2011/4/27
Results of investigations are reported which have been carried out with use of some physical and chemical techniques on the nanoporous sodium-borate-silicate glasses with pore sizes within 5–100 nm. P...
Preparation, structure and properties of Fe-based bulk metallic glasses
Preparation structure properties Fe-based bulk metallic glasses
2010/8/12
Since amorphous materials were prepared in the Au-Si system alloy in 1960 many scientific investigations have been done. These facts have been informed that amorphous alloys have new atomic configurat...
Borate glasses with PbO and PbCl2 containing Dy3+ ions
glasses dysprosium ions optical properties
2011/5/6
Oxychloroborate glasses containing Dy3+ ions in the B2O3–PbCl2–PbO–Al2O3–WO3 system
were studied using X-ray diffraction, Raman, FT-IR, absorption, excitation and luminescence
spectroscopy. The resu...
Influence of PbX2 (X = F, Cl, Br) content and thermal treatment on structure and optical properties of lead borate glasses doped with rare earth ions
lead borate glasses rare earth ions thermal treatment luminescence, up-conversion
2011/5/6
Oxyhalide lead borate glasses doped with rare earth ions have been studied before and after thermal
treatment. The rare earths as optically active ions were limited to the Er3+ ions. Near-infrared
l...
Influence of thermal activation on changes of mechanical properties and tensile fracture morphology surface of Ni-base metallic glasses
Amorphous materials Relaxation Crystallization of metallic glasses Mechanical properties Fracture morphology
2010/8/17
The metallic glasses, obtained in a result of fast cooling from the liquid state, show thermodynamic unbalance. Thermal activation of metallic glasses leads to the structural changes, which in the fin...
Porous glasses as a substrate for sensor elements
porous glass sensor element laser scanning confocal microscopy scanning near field optical
2011/5/6
The properties of porous glasses are determined by optical spectroscopy and high-resolution
microscopy at different stages of immunoglobulin immobilization and after immune reaction.
The influence o...
Influence of nickel on structure and hardness of Fe-Co bulk metallic glasses
nickel structure hardness glasses
2010/8/11
Metallic glasses (also known as metallic amorphous alloys) are newcomers to the group of amorphous materials. First, metallic glass (Au75Si25) was made by Duwez in 1960 and developed with the use of t...
The influence of nanocrystallization process on thermal and optical parameter in oxyfluoride glasses
oxyfluoride glasses rare earth elements thermal and optical properties
2011/5/9
The influence of nanocrystallization process in oxyfluoride glasses Na2O–Al2O3–SiO2–
–LaF3– NaF doped with rare earth (RE) ions on their thermal and optical properties is
studied. The thermal charac...
Optical properties of small silver particles embedded in soda-lime silica glasses
soda-lime silica glass ion exchange silver nanoparticles optical absorption transmission
2011/5/6
The optical characteristics of silver nanoparticles embedded in a surface layer of commercial soda
lime silica glass have been analysed. Additional results were obtained by the transmission electron
...
A production attempt of selected metallic glasses with Fe and Ni matrix
Amorphous materials Bulk Metallic Glasses Thermal properties Fe-based alloys Ni-based alloys
2010/8/16
Bulk metallic glasses (BMG) are the highly interesting materials, because of their superior physical and chemical properties compared to their crystalline phases. Massive glass formation in multi-comp...
Synthesis and optical spectroscopy of the Eu- and Pr-doped glasses with SrO–2B2O3 composition
borate glasses and crystals Eu3+ centre Pr3+ centre optical absorption luminescence, decay
2011/5/9
A series of Eu- and Pr-doped glasses with SrO–2B2O3 (or SrB4O7) composition were obtained
and their spectroscopic properties were investigated. The SrB4O7 polycrystalline compounds were
synthesised ...
Crystallization of Fe72B20Si4Nb4 metallic glasses ribbons
Amorphous materials Structural relaxation Crystallization
2009/12/14
Purpose: The paper presents a crystallization process of Fe-based amorphous materials. The aim of work is presentation of the influence of annealing temperature on structural changes and magnetic prop...