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18 results for “Oxide Glass”
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Research ArticleOpen accessEvery word in the titleThe Estimation of the Oxide Ion Polarizability for B2O3-Li2O-Mo Glass SystemEl-Sayed Moustafa, Farid ElkhatebProblem statement: Recently Optical electro negativity of many binary oxide glasses has been evaluated on the basis of two different parameters, the linear refractive index and the energy gap, which have demonstrated remarkable correlation. Approach: In the present study, an improvement method to estimate the oxide ion polarizability through the average optical electro negativity for the lithium borate metal (Mo) … …American Journal of Applied Sciences, Vol. 9, Issue 3 · 2 Feb 2012 · 7,065 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffect of Niobium Oxide Incorporation on Optical Properties of Sodium Bismuth Borate GlassesHossam M. Gomaa, Saeid M. Elkatlawy, Ahmed H. El-DosokeyGlasses with the chemical compositions 60% B2O3-20% Na2O-(20-x) % Bi2O3-x% Nb2O5 (where, x = 0, 5, 10 and 15 mol. %), were prepared by fast quenching of their melts. Characteristics of the obtained solids were checked by XRD, FTIR and optical absorption spectroscopy. XRD data confirmed the amorphous nature of the glass samples. FTIR results revealed no changes in the … …International Journal of Structural Glass and Advanced Materials Research, Vol. 3, Issue 1 · 6 Jul 2019 · 7,228 accessesView PDFCite
Research ArticleOpen accessIn the keywordsElectronegativity, Interaction Parameter and Electronicpolarizability for Bisumth Borate Metal GlassesEl-Sayed Moustafa, Farid ElkhatebProblem statement: In the present work, we applied the concept of the optical electronegativity to predict basic properties of some ternary oxide glasses. Recently Optical electronegativity of many binary oxide glasses has been evaluated on the basis of two different parameters, the linear refractive index and the energy gap, which have demonstrated remarkable correlation. Approach: In this study, the refractive … …Physics International, Vol. 2, Issue 1 · 1 Dec 2011 · 7,312 accessesView PDFCite
Research ArticleOpen accessIn the keywordsNew approach between the Optical Basicity and the Dielectric Constant through the Molar Polarizability for Some Binary GlassesEl-Sayed MoustafaProblem statement: In the present study, a new correlation between the optical basiciry which describes the electronic charge clouds around the oxide glass and the dielectric constant has been proposed through the molar polarizability of the binary oxide glasses. Approach: Two experimental forms have been suggested relating the optical basicity and the molar electronic polarizability. Hence, the dielectric constant and … …Physics International, Vol. 2, Issue 1 · 26 Oct 2011 · 7,764 accessesView PDFCite
Research ArticleOpen accessIn the keywordsTotal Conductivity of Calcium Iron Borate Glasses Using an Empirical FormulaHossam M. Gomaa, Saeid M. Elkatlawy, Ahmed H. El-DosokeySamples of calcium borate glasses containing iron ions have been prepared with three different concentrations of both boron and iron oxides. X-ray diffraction spectroscopy was performed and results revealed that samples are in good glassy state, with high homogeneity and short range ordered structure. Electrical conductivity was experimentally measured in the temperature range from 300 to 553 K. Conductivity results … …International Journal of Structural Glass and Advanced Materials Research, Vol. 3, Issue 1 · 21 May 2019 · 7,096 accessesView PDFCite
EditorialOpen accessIn the abstractVolume 3: SGAMR is Always on Track!Chiara Bedon, Mario D’Aniello, Flavio StochinoThe year 2019 represents a new growing step for SGAMR, that starts to publish “continuously” all the accepted papers, once they are subjected to positive, blinded peer-review process. This is a further effort to improve the service for the contributors and for the readers, given that the efficiency of the journal to share knowledge can be maximized. Hänig et al. … …International Journal of Structural Glass and Advanced Materials Research, Vol. 4, Issue 1 · 28 Aug 2020 · 5,711 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Carboxyl-Functionalized Single Walled Carbon Nanotubes on the Interfacial Barrier Height of Malachite Green Dye Based Organic DeviceSudipta Sen, Nabin Baran ManikIn this study, we have estimated the interfacial barrier height (ɸb) of Indium Tin Oxide (ITO) coated glass/Malachite Green (MG) dye/Aluminium (Al) based organic device and subsequently we have also observed the effect of carboxylfunctionalized SWCNT (COOH-SWCNT) on the ɸb. Presence of COOH-SWCNT reduces the interfacial barrier height as SWCNT acts as filler and provides easy path for charge percolation. … …Physics International, Vol. 10, Issue 1 · 31 Jul 2019 · 12,391 accessesView PDFCite
EditorialOpen accessIn the abstractNANOPARTICLE TECHNOLOGY TO DELIVER EFFECTIVE ANTIMICROBIALSSarah E. Maddocks, Michele E. Barbour, Andrew M. CollinsAsharani, P.V., W.Y. Lian, Z. Gong and S. Valiyaveettil, 2008. Toxicity of silver nanoparticles in zebrafish models. Nanotechnology, 19: 255102-255102. DOI: 10.1088/0957-4484/19/25/255102 Azam, A., S.A. Ahmed, M. Oves, M.S. Khan and S.S. Habib et al., 2012. Antimicrobial activity of metal oxide nanoparticles against Gram-positive and Gram-negative bacteria: A comparative study. Int. J. Nanimed., 12: 6003-6009. DOI: 10.2147/IJN.S35347 Barbour, M.E., S.E. … …Current Research in Microbiology, Vol. 5, Issue 2 · 4 Oct 2014 · 7,084 accessesView PDFCite
Research ArticleOpen accessIn the abstractEr3+-Doped Soda-Lime Silicate Glass: Artificial Pink GemstonePichet Limsuwan, Kheamrutai Thamaphat, Jakrapong Kaewkhao, Weeranut KaewwisetEr3+-doped soda-lime silicate glasses of the composition (in mol%) (65-x)SiO2:25Na2O:10CaO:xEr2O3 (where x = 0, 1, 2, 3, 4 and 5) were fabricated by conventional melt quenching technique. The physical and optical properties were measured and investigated. The erbium oxide enters the glass network as a modifier by occupying the interstitial space in the network and generating the NBOs to the … …American Journal of Applied Sciences, Vol. 9, Issue 11 · 29 Aug 2012 · 7,397 accessesView PDFCite
Research ArticleOpen accessIn the abstractInvestigation of Nano Structural Changes by Annealing Temperature and Uniform Oxygen Flow on Ti LayersHaleh Kangarlou, Saeid RafizadehProblem statement: Ti films of the same thickness, deposition angle (near normal) and deposition rate were deposited on glass substrates at room temperature under UHV conditions. Approach: Different annealing temperatures 423 K, 523 K and 623 K with uniform 7 cm3 sec-1, oxygen flow, were used to produce titanium oxide layers. Results: Thin film structures were studied using AFM, XRD … …American Journal of Applied Sciences, Vol. 8, Issue 8 · 18 Jul 2011 · 7,378 accessesView PDFCite