Elastic properties of Li+ doped lead zinc borate glasses | Zendy

R. Rajaramakrishna | Zendy; R. Lakshmikantha | Zendy; R. V. Anavekar | Zendy

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Elastic properties of Li+ doped lead zinc borate glasses

Author(s) -

R. Rajaramakrishna,

R. Lakshmikantha,

R. V. Anavekar

Publication year - 2014

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.4872737

Subject(s) - debye model , materials science , elastic modulus , boron , zinc , analytical chemistry (journal) , zinc borate , debye , doping , molar volume , quenching (fluorescence) , lithium borate , borate glass , mineralogy , composite material , thermodynamics , chemistry , fluorescence , optics , metallurgy , physics , optoelectronics , organic chemistry , fire retardant , chromatography

Glasses in the system 0.25PbO-(0.25-x) ZnO-0.5B2O3-xLi2O have been prepd. by the melt quenching technique. Elastic properties, DSC studies have been employed to study the role of Li2O in the present glass system. Elastic properties and Debye temp. have been detd. using pulsed echo ultrasonic interferometer operating at 10MHz. Sound velocities Vl, Vt and elastic moduli decrease up to 5 mol% and then gradually increase with increase in Li2O concn. Debye temp. and the glass transition temp. decreases with increase in Li2O. Densities remains almost const. up to 15 mol% Li2O concn. and increases monotonically while the molar volume decreases with the increase of Li2O concn. The results are discussed in view of the borate structural network and dual role of Zn and Pb in these glasses. (c) 2014 American Institute of Physics

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