The local crystallization of barium-titanosilicate glass under the action of a femtosecond laser beam is investigated. The effect of the laser beam scanning speed and laser pulse energy on the morphology ...
It has been shown that it is possible to form nanoclusters and gold nanoparticles in potassium aluminum phosphate glass during heat treatment in the temperature range below T g , which have luminescent ...
A method for the nucleation of a crystal seed is proposed, which consists in the action of a stationary laser beam with an increasing pulse energy, which makes it possible to significantly reduce and stabilize ...
A phosphate-based glass with various concentrations of Yb 3+ ions was synthesized and investigated, the composition of which made it possible to obtain optically homogeneous glasses in small-volume crucibles. ...
On the example of glass of composition 40P 2 O 5 ; 55ZnO; 4Ag 2 O; 1Ga 2 O 3 (molar content,%), the possibility of the simultaneous formation of luminescent silver nanoparticles and microsized ...
The process of phase formation in the BaCO 3 + TiO 2 system has been studied using solid-phase reactions and synthesis from a melt obtained by exposure to concentrated solar radiation of various power. ...
The Judd-Ofelt parameters have been calculated for Tb 3+ ions in yttrium-aluminum borate glasses co-activated with Tb 3+ and Ce 3+ (X1) and activated only Tb 3+ (X2). The received parameters are: ...
The possibility of laser crystallization of lithium-niobium silicate glasses by means of nanosecond laser pulses in the visible and UV ranges has been demonstrated. Irradiation of glasses with the composition ...
A new approach to the preparation of functional glass-ceramics based on potassium niobate from an amorphous precursor obtained by rapid cooling of a melt containing small additives of the SiO 2 glass-former ...
... and the coordination transitions of boron and germanium ions in their structure are revealed. A nonlinear dependence of the physicochemical properties of glasses on their composition and structure, interpreted ...
By means of dielectric IR spectroscopy and Raman spectroscopy, the presence in the structure of lanthanum borogermanate (LBG) glass of three-coordinated boron atoms, which are absent in the LaBGeO 5 ...