Tellurite glasses Part 1. Elastic properties

El-Mallawany, R.

doi:10.1016/s0254-0584(97)02041-5

Cited by 129 publications

(71 citation statements)

References 151 publications

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“…A Poisson's ration  = 0.28 has been assumed for molybdenum oxide [49]. The obtained E values are much lower than those of bulk MoO 3 (E bulk = 540 GPa) [50].…”

Section: Mechanical Properties Of Molybdenum Oxide Filmsmentioning

confidence: 99%

Structurally and mechanically tunable molybdenum oxide films and patterned submicrometer structures by electrodeposition

Quintana

Varea

Guerrero

et al. 2015

Electrochimica Acta

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Abstract1.5 m-thick molybdenum oxide films have been electrodeposited potentiostatically from 0.2 M Na 2 MoO 4 electrolyte onto indium tin oxide (ITO)/glass substrates at pH = 1, 6 and 9. The influence of cetyltrimethylammonium bromide (CTAB) surfactant on films' adhesion, morphology, degree of porosity, molybdenum speciation, and crystallographic structure has been systematically investigated. The addition of CTAB (0.01 M) to the bath clearly improves film adherence to the substrate, reduces cracking, and increases crystallinity. This has an impact on the physical properties of the films. In particular, both hardness (H) and Young's modulus (E) increase, as determined from nanoindentation tests.The growth of ordered arrays of molybdenum oxide submicrometer structures, including pillars and stripes, by electrodeposition onto e-beam lithographed Au/Ti/Si substrates is also reported.

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“…A Poisson's ration  = 0.28 has been assumed for molybdenum oxide [49]. The obtained E values are much lower than those of bulk MoO 3 (E bulk = 540 GPa) [50].…”

Section: Mechanical Properties Of Molybdenum Oxide Filmsmentioning

confidence: 99%

Structurally and mechanically tunable molybdenum oxide films and patterned submicrometer structures by electrodeposition

Quintana

Varea

Guerrero

et al. 2015

Electrochimica Acta

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“…Such amorphous materials are candidates for new optical materials because of their superior properties, such as high refractive index, high dielectric constants, a wide band infrared transmittance and large third order non-linear optical susceptibility [1,2] . Moreover they posses relatively low transformation temperatures, high densities and non hygroscopic properties, which limit the application of phosphate and borate glasses [3,4] . Therefore these glasses are suitable as host for active element doping, represent the main justification for their continuous technological interest in areas of optoelectronics such as laser technology, optical fibers, non-linear optical devices and sensor systems [1,5] .…”

Section: Introductionmentioning

confidence: 99%

“…The ZnO-TeO 2 system was used as a basis for multi-component optical glass synthesis and has been reported as a useful medium for ultra-low loss (1dB 1000 m −1 ) optical fibers for wavelengths in the 3.5-4 µm region [5] . The above mentioned indicate undoubtedly the existence of a practical interest in the zinc-tellurium containing systems as a choice of compositions for super heavy optical flint glasses [1,4] . Apart from their applications, there is a lack of data on structural investigations of these glasses in the literature.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Optical Properties of ZnO-TeO2 Glass System

Sidek¹,

Rosmawati²,

Talib³

et al. 2009

American J. of Applied Sciences

160

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Problem statement: Systematic series of ZnO-TeO 2 glasses with mole fraction of 0.10-0.40 ZnO content with an interval of 0.05 were studied to obtain their physical and optical properties. Approach: All the glass samples were synthesized by rapid melting quenching method under controlled conditions, while their refractive indices (n) were measured by the EL X-02C high precision ellipsometer. The room temperature absorption of all glass samples were determined using Camspec M350 double beam UV-visible spectrophotometer. The infrared (IR) spectra of each glass samples were recorded with Thermo Nicolet Fourier Transform-Infrared (FT-IR) spectrophotometer. Their physical properties were measured and the amorphous nature was confirmed by the x-ray diffraction technique. Results: The increase of refractive index of the TeO 2 -ZnO glasses with the addition of ZnO was best explained in terms of either electron density or polarizability of the ions. The absorption edge shift to higher energy (shorter wavelength) with increasing ZnO content was observed in this glass. The optical band gap (E opt ) of zinc tellurite glass decreases with increasing of ZnO content probably due to the increment of Non-Bridging Oxygen (NBO) ion contents which eventually shifted the band edge to lower energies. Conclusion/Recommendation: The physical and optical properties of zinc tellurite glasses were found generally affected by the changes in the glass composition. FTIR spectra of zinc tellurite glass revealed broad, weak and strong absorption bands in the investigated range of wave numbers from 4000-400 cm −1 which associated with their corresponding bond modes of vibration and the glass structure. The addition of ZnO into TeO 2 glass network shifted the major band from 626 cm −1 (for pure TeO 2 glass) to the band at around 669 cm −1 .

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“…Moreover, the strength of materials increases with their elastic moduli; it is therefore possible to assess strength indirectly from their elastic properties. Studies of the elastic moduli of the glassy materials give considerable information about the structure of non-crystalline solids, since they are directly related to the interatomic forces and potentials [3][4][5][6][7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Elastic Properties of Clinopyroxene Based Glasses along Diopside (CaMgSi2O6)-Jadeite (NaAlSi2O6) Join

Jindal¹,

Jatmiko²,

Singh³

et al. 2012

JMMCE

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The elastic properties of glasses along Diopside (CaMgSi 2 O 6 )-Jadeite (NaAlSi 2 O 6 ) join (Di xJd 1-x where x=20, 40, 60, 80, 100 mole %), were obtained by the ultrasonic echography technique, at room temperature. The correlation of elastic moduli with the atomic packing density of these glasses was discussed. The derived experimental values of Young's modulus, bulk modulus, shear modulus and Poisson's ratio for investigated glasses were compared with those theoretically calculated values in terms of the Makishima-Mackenzie model and the modified model presented by Rocherulle.

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Tellurite glasses Part 1. Elastic properties

Cited by 129 publications

References 151 publications

Structurally and mechanically tunable molybdenum oxide films and patterned submicrometer structures by electrodeposition

Structurally and mechanically tunable molybdenum oxide films and patterned submicrometer structures by electrodeposition

Synthesis and Optical Properties of ZnO-TeO2 Glass System

Elastic Properties of Clinopyroxene Based Glasses along Diopside (CaMgSi<sub>2</sub>O<sub>6</sub>)-Jadeite (NaAlSi<sub>2</sub>O<sub>6</sub>) Join

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Tellurite glasses Part 1. Elastic properties

Cited by 129 publications

References 151 publications

Structurally and mechanically tunable molybdenum oxide films and patterned submicrometer structures by electrodeposition

Structurally and mechanically tunable molybdenum oxide films and patterned submicrometer structures by electrodeposition

Synthesis and Optical Properties of ZnO-TeO2 Glass System

Elastic Properties of Clinopyroxene Based Glasses along Diopside (CaMgSi&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;6&lt;/sub&gt;)-Jadeite (NaAlSi&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;6&lt;/sub&gt;) Join

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Elastic Properties of Clinopyroxene Based Glasses along Diopside (CaMgSi<sub>2</sub>O<sub>6</sub>)-Jadeite (NaAlSi<sub>2</sub>O<sub>6</sub>) Join