LATTICE DYNAMICAL STUDY OF TITANIUM (TI) BY USING CGW-VTBFS MODEL | Zendy

U. C. Srivastava | Zendy; S. Singh | Zendy

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LATTICE DYNAMICAL STUDY OF TITANIUM (TI) BY USING CGW-VTBFS MODEL

Author(s) -

U. C. Srivastava,

S. Singh

Publication year - 2021

Publication title -

international journal of advanced research

Language(s) - English

Resource type - Journals

ISSN - 2320-5407

DOI - 10.21474/ijar01/13108

Subject(s) - phonon , shell model , condensed matter physics , lattice (music) , wave vector , titanium , materials science , dispersion (optics) , physics , statistical physics , optics , atomic physics , metallurgy , acoustics

In measurements of the phonon dynamics of bcc Titanium (Ti), In the present paper we have reported the lattice dynamical calculations which are performed by using the Clark-Gazis-Wallis (CGW) and Van der Waalsthree body force shell model (VTBFS).The theory is used to compute the phonon dispersion curves(PDC), the Specific heat variation &frequency distribution with the used temperature. The frequencies along the symmetry directions have plotted against the wavevector to obtain the phonon dispersion curves(PDC)from the present models, with the help of available experimental values. The obtained results are agreed well with experimental data.

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