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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...
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...
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...
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
...
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 ...
Optical spectra and luminescence kinetics of the Sm3+ and Yb3+ centres in the lithium tetraborate glasses
borate glasses Sm3+ centre Yb3+ centre optical absorption luminescence decay kinetics local structure
2011/5/9
Optical absorption, luminescence excitation, and emission spectra as well as luminescence
kinetics of the Sm- and Yb-doped glasses with lithium tetraborate (Li2B4O7) composition were
investigated an...
Determination of electrokinetic potential of porous glasses by methods of streaming potential, electroosmosis and electrophoresis
electrokinetic potential electroosmotic flow
2011/5/6
Complex research of structural and electrokinetic characteristics of nano- and the ultraporous
glasses prepared from sodium borosilicate (SBG) glass DV1-Sh in KCl background solutions of
various con...
Three-dimensional Femtosecond Laser Integration in Glasses
Femtosecond laser microfabrication Three-dimensional integration Glass chips
2009/6/1
In the past decade, femtosecond (fs) laser microfabrication has received significant attention because of its powerful three-dimensional (3D) integrating and manufacturing capabilities. A series of mu...
Red up-conversion dynamics in Er3+-doped TeO2–ZnO glasses
tellurite glasses erbium: Er3+ dynamics of up-conversion
2011/5/6
Red fluorescence has been obtained under 980 nm excitation in Er3+-doped TeO2–ZnO glasses.
The dynamics of the red up-conversion is well explained with the proposed model. The energy
transfer proces...
Multinuclear MAS NMR study of structural changes in LaF3 doped borosilicate glasses for optoelectronics
oxyfluoride glass borosilicate glass
2011/5/5
A new type of oxyfluoride glass-ceramics based on the silicate glassy matrix and the nano-phase of LaF3 was developed for generating the up-conversion luminescence processes. In such material, the low...
Vitrification has been recognized as the best method of the neutralization and immobilization of the radioactive and toxic waste. Toxic elements are introduced into the structure of chemically durable...
Crystallochemical aspects of structure controlled processes in oxide glasses
oxide glasses middle range structure ordering
2011/5/5
Nano size crystals formation in SiO2–Al2O3–MgO–TiO2(ZrO2) glasses as a structure controlled process is described. The applicability of the structure – chemical parameters for prediction and modelling ...