glass system
O glass system doped with Cu 2+ ions
... the glass samples of the present glass system were recorded in the wavenumber range 1600-400 cm -1 and are shown in ...BKZL glass system significant bands are observed at about ~ 470, ...
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Gamma Ray Shielding and Structural Properties of Bi2O3 B2O3 Na2WO4 Glass System
... (in mole fraction) have been studied by calculating mass attenuation coefficients and half value layer parameters at photon energies 662, 1173 and 1332 keV using XCOM computer software developed by National Institute of ...
6
Investigation of porous glasses based on sodium-borosilicate glass system
... Porous glass has evoked new interest in recent years because of its importance in chemical, pharmaceutical, and biological ...porous glass are its wide ranging geometric form, ...Porous glass ...
196
Ultrasonic Studies On Pr6o11-Ag2o-B2o3 Glass System
... 0.0 0.1 0.2 0.3 0.4 0.5 4840 4860 4880 4900 V V L T Pr 6 O 11 in mol % V L (m /s ec ) 2360 2380 2400 2420 2440 2460 2480 2500 2520 V T (m /s ec ) Fig. 3. Variation of ultrasonic velocities vs Pr 6 O 11 for Pr 6 O 11 -Ag ...
6
Spectroscopic and Radiative Properties of Several Nd3+ Ions in Borate Glass System
... differences in the crystal field asymmetry which makes the peak position split. In addition, the intensity of the absorption peak of hypersensitivity split was also caused by changes in the content of the composition ...
9
Modified absorption features of Titania-Erbium incorporated plasmonic tellurite glass system
... lasing glass materials with enhanced absorption and emission cross-section by reducing the Rare Earth (RE) concentration quenching is a challenging ...the glass matrix are thought as a suitable alternative ...
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Thermal and FT IR Properties of Semiconducting SnO2 PbO V2O5 Glass System
... dium as well as lead ions. The lead ions are located between the vanadate chains and layers. These ions affect the isolated V=O bonds by elongating them, thus reducing their frequency. In the present studies IR spectra ...
6
Physical Properties of Lead Arsenate Glass System
... alsotelluriate glass system ...in glass conditions, for examples as Fe +3 transition ionspolyhedron having four plane faces and polyhedron having eight plane faces and as Fe +2 transition ion ...
5
Spectroscopic properties of xmgo- 10nb2o5-(89-x)teo2-1cuo glass system
... Fig. 1 shows the XRD pattern of the present glass system. No sharp peaks have been observed in the X-ray diffraction patterns of the glass samples; however they contain two broad curves, typical of ...
6
Theoretical Predictions on Physical Properties of Ge-Se-Bi Glass System with Compositional Variations
... the glass structure can be composed of cross linked structural units of GeSe 2 and Bi 2 Se 3 with excess of Ge or Se dispersed among Ge-Se-Bi glass ...
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PD control at Neimark–Sacker bifurcations in a Mackey–Glass system
... This article focuses on a proportional-derivative (PD) feedback controller to control a Neimark–Sacker bifurcation for a Mackey–Glass system by the Euler method. It has been shown that the onset of the ...
16
THEORETICAL ASPECTS IN PHYSICAL PROPERTIES OF Se70Ge10Te20-xSbx CHALCOGENIDE GLASS SYSTEM
... Elements of group VI in periodic table (S, Se, and Te ) along with more electropositive element such as Sb form a special class of chalcogenide glasses. The phase change properties of chalcogenides make them attractive ...
7
Fabrication of a high-strength lithium disilicate glass-ceramic in a complex glass system
... (Fig. 6b and c), which might be the unknown phase, as identified by XRD (Fig. 5). It is noted that this unknown phase only existed in the samples with crystallization temperatures of 640–700 ◦ C. The unknown phase might ...
8
DC Electrical Conductivity Studies of GeO2 Doped Lead Vanadate Glass System
... metavanadate glass systems exhibit interesting changes in their physical properties depending on the substitution of different metal oxides in the place of lead oxide [7] ...
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The crystallization behaviour and bioactivity of wollastonite glass-ceramic based on Na2O–K2O–CaO–SiO2–F glass system
... of glass-ceramics are controlled by taking advantage of various solid state ...promising glass samples, after subjecting them to controlled heat treatment condi- tions, they were analyzed by ...base ...
7
Influence of Various Glass Compositions on Physical and Spectroscopic Properties of Cao-Pb3O4-Zno-P2O5 Glass System
... 4(b). The spectra exhibit two resonance signals at g =1.9772 and g = 4.5617. Low field portion of spectrum is assigned to isolated Cr 3+ ions and high field portion mainly due to exchange coupled Cr 3+ ion pairs and is ...
10
Synthesis and Characterization of Boro-Aluminotellurite Glass System
... were obtained with an Equinox 55 Bruker spectrometer. The measurements were done using the KBr pellet technique. The samples were crushed in an agate mortar to obtain particles of micrometer size to avoid structural ...
5
Optical properties of the TeO2-PbO-Li2O-Nd2O3 glass system
... glass would increase the value of and , thus the rigidity of the network, then the increase in or a decrease in is very much expected [24]. Meanwhile, it was reported that the radiative lifetime is inversely ...
9
Study of Nd203-CuO-P205 glass system by elastic properties
... Comparison of these data with those of our lernary neodymium phosphate glasses shows that the 'values of elastic modulus is much higher. but those of binary neodymium[r] ...
10
Kinematical Studies of the Glass Transition in Glassy (Bi2Se3)1-X Tex System
... given glass composition and p is the heated rate, holds good for all the samples of Te-Bi-Se glass ...different glass compositions, indicating that Te-Bi-Se alloy undergoes structural changes for ...
6