Journal of Pure and Applied Ultrasonics

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Elastic and Ultrasonic Properties of Cadmium Oxide


Affiliations
1 University School of Information & Communication Technology, Guru Gobind Singh Indraprastha University, New Delhi-110 078, India
2 Amity School of Engineering & Technology Delhi, A.U.U.P. Premises, Noida-201 313, India
3 Department of Physics, Prof. Rajendra Singh (Rajju Bhaiya) Institute of Physical Sciences for Study and Research, Veer Bahadur Singh Purvanchal University, Jaunpur-222 003, India
4 Department of Physics, P.P.N. (P.G.) College, Kanpur-208 001, India
 

The attenuation of ultrasonic waves has been estimated in rocksalt type (B1) and CsCl type (B2) structures of CdO at room temperature along , and directions. First of all, the higher order elastic constants have been computed using Born model with Mori and Hiki approach. Then, the second order elastic constants (SOECs) were applied to compute the mechanical constants such as shear modulus, Young's modulus, bulk modulus, tetragonal modulus, Poisson's ratio, Pugh's indicator for finding performance of CdO. Numerous physical quantities, such as ultrasonic velocity, Debye temperature, thermal conductivity, ultrasonic Gruneisen parameter and acoustic coupling constants have been determined for the chosen material. Finally, the attenuation of ultrasonic waves has been compared in B1 and B2 phases of CdO and discussed in correlation with available findings.

Keywords

Cadmium Oxide, Elastic Constants, Thermal Properties, Ultrasonic Properties.
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  • Elastic and Ultrasonic Properties of Cadmium Oxide

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Authors

Jyoti Bala
University School of Information & Communication Technology, Guru Gobind Singh Indraprastha University, New Delhi-110 078, India
Vyoma Bhalla
Amity School of Engineering & Technology Delhi, A.U.U.P. Premises, Noida-201 313, India
Devraj Singh
Department of Physics, Prof. Rajendra Singh (Rajju Bhaiya) Institute of Physical Sciences for Study and Research, Veer Bahadur Singh Purvanchal University, Jaunpur-222 003, India
C. P. Yadav
Department of Physics, P.P.N. (P.G.) College, Kanpur-208 001, India
D. K. Pandey
Department of Physics, P.P.N. (P.G.) College, Kanpur-208 001, India

Abstract


The attenuation of ultrasonic waves has been estimated in rocksalt type (B1) and CsCl type (B2) structures of CdO at room temperature along , and directions. First of all, the higher order elastic constants have been computed using Born model with Mori and Hiki approach. Then, the second order elastic constants (SOECs) were applied to compute the mechanical constants such as shear modulus, Young's modulus, bulk modulus, tetragonal modulus, Poisson's ratio, Pugh's indicator for finding performance of CdO. Numerous physical quantities, such as ultrasonic velocity, Debye temperature, thermal conductivity, ultrasonic Gruneisen parameter and acoustic coupling constants have been determined for the chosen material. Finally, the attenuation of ultrasonic waves has been compared in B1 and B2 phases of CdO and discussed in correlation with available findings.

Keywords


Cadmium Oxide, Elastic Constants, Thermal Properties, Ultrasonic Properties.

References