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*ZOFT - Zinc Oxyfluorotellurite Introduction

New ZOFT* Glass For Optical Devices. Refractive index of ternary oxyfluorotellurite for TeO 2 = 0.80 and 0.75 glass series. XRD patterns of ternary oxyfluorotellurite for TeO 2 = 0.80 glass series. Experimental Results. Poisson’s ratio of ternary oxyfluorotellurite for TeO 2 = 0.80

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*ZOFT - Zinc Oxyfluorotellurite Introduction

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  1. New ZOFT* Glass For Optical Devices Refractive index of ternary oxyfluorotellurite for TeO2 = 0.80 and 0.75 glass series. XRD patterns of ternary oxyfluorotellurite for TeO2 = 0.80 glass series. Experimental Results Poisson’s ratio of ternary oxyfluorotellurite for TeO2 = 0.80 and 0.75 glass series. Change in volume with temperature as a supercooled liquid is cooled through the glass-transition temperature (Tg). Densities of ternary oxyfluorotellurite for TeO2 = 0.80 and 0.75 glass series. *ZOFT - Zinc Oxyfluorotellurite Introduction Heavy metal oxide glasses have been investigated as potentially promising materials for passive and active optical fibers, non-linear optical devices and sensor systems. Potential Application Tellurite glasses and ceramics are promising materials due to their high refractive index (larger than 2), wide band infrared transmittance (extending up to 6 mirommeter), and large third order non-linear optical susceptibility. Methodology New tellurite based glasses in the form of (TeO2)80(AlF3)80-x(ZnO)x have been successfully synthesized via melt quenching technique. Their densities were measured by using Archimedes principles where acetone was used as floatation medium. Both longitudinal and shear ultrasonic velocities were measured at different compositions of the glass system by using the MBS8000 Ultrasonic Data Acquisition System at 10 MHz frequency and at room temperature. FTIR spectra of TeO2-ZnO-AlF3 for TeO2=0.80 glass series. Elastic modulus of oxyfluorotellurite for TeO2 = 0.80 glass series. Longitudinal, vl and shear, vs velocities of oxyfluorotellurite for TeO2 = 0.80 glass series. SEM photo for ternary TeO2-ZnO-AlF3 glass. The elastic properties of ternary tellurite glasses (TeO2)80(AlF3)80-x(ZnO)x were measured as a function of composition. The ultrasonic velocity data, the density, the calculated elastic moduli and micro-hardness depend on the glass composition. The composition dependence was discussed in terms of ZnO modifiers that were expected to change the physical properties of oxyfluotellurite glasses. • H.A.A. Sidek, S. Rosmawati, K.A. Matori and M.K. Halimah • Department of Physics, Faculty of Science • Universiti Putra Malaysia • 43400 UPM Serdang, Selangor, Malaysia • Tel: 03-89466682/6601 • Email: sidek@Science.upm.edu.my

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