Indian Journal of Pure and Applied Physics

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Pressure Dependent Elastic, Mechanical and Ultrasonic Properties of ZnO Nanotube


Affiliations
1 Department of Physics, Prof. Rajendra Singh (Rajju Bhaiya) Institute of Physical Sciences for Study and Research, V. B. S. Purvanchal University, Jaunpur 222 003, India
2 Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201 002, India
 

ZnO Nanotube with an hcp structure, has been investigated for the transmission of acoustic wave in the 0 to 10 GPA operating pressure. For this, the Lennard-Jones interaction potential methodology has been utilizing to estimate the advanced order elastic coefficients (SOECs and TOECs). This model is used to calculate the 2nd and 3rd order elastic parameters for ZnO Nanotube. Applying SOECs, the additional elastic moduli for ZnO nanotubes, for example the bulk modulus (B), Young's modulus (Y), as well as shear modulus (G), have been computed. Later, applying SOECs as well as zincoxide density under the same pressure range, three orientation dependent acoustic velocities, comprising Debye average velocities, have been studied. Basic thermal characteristics such as specific heat at constant volume (CV), thermal conductivity k (min) associated with lattice, thermal energy density (E0), thermal relaxation time (𝜏) as well as acoustic coupling coefficients (DL, DS) of ZnO Nanotube have been also calculated at same pressure range. Determining the acoustic attenuation parameters using the method is also successful, arises due to the interaction of phonons, hardness as well as melting temperature under various pressure in this research work.

Keywords

Ultrasonic Properties, Thermo-Physical Characteristics, Zinc Oxide Nanotube, Second Order Elastic Constants (SOECs), Third Order Elastic Constants (TOECs).
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  • Pressure Dependent Elastic, Mechanical and Ultrasonic Properties of ZnO Nanotube

Abstract Views: 123  |  PDF Views: 86

Authors

Aadesh K Prajapati
Department of Physics, Prof. Rajendra Singh (Rajju Bhaiya) Institute of Physical Sciences for Study and Research, V. B. S. Purvanchal University, Jaunpur 222 003, India
Sachin Rai
Department of Physics, Prof. Rajendra Singh (Rajju Bhaiya) Institute of Physical Sciences for Study and Research, V. B. S. Purvanchal University, Jaunpur 222 003, India
Kuldeep
Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201 002, India
Pramod K Yadawa
Department of Physics, Prof. Rajendra Singh (Rajju Bhaiya) Institute of Physical Sciences for Study and Research, V. B. S. Purvanchal University, Jaunpur 222 003, India

Abstract


ZnO Nanotube with an hcp structure, has been investigated for the transmission of acoustic wave in the 0 to 10 GPA operating pressure. For this, the Lennard-Jones interaction potential methodology has been utilizing to estimate the advanced order elastic coefficients (SOECs and TOECs). This model is used to calculate the 2nd and 3rd order elastic parameters for ZnO Nanotube. Applying SOECs, the additional elastic moduli for ZnO nanotubes, for example the bulk modulus (B), Young's modulus (Y), as well as shear modulus (G), have been computed. Later, applying SOECs as well as zincoxide density under the same pressure range, three orientation dependent acoustic velocities, comprising Debye average velocities, have been studied. Basic thermal characteristics such as specific heat at constant volume (CV), thermal conductivity k (min) associated with lattice, thermal energy density (E0), thermal relaxation time (𝜏) as well as acoustic coupling coefficients (DL, DS) of ZnO Nanotube have been also calculated at same pressure range. Determining the acoustic attenuation parameters using the method is also successful, arises due to the interaction of phonons, hardness as well as melting temperature under various pressure in this research work.

Keywords


Ultrasonic Properties, Thermo-Physical Characteristics, Zinc Oxide Nanotube, Second Order Elastic Constants (SOECs), Third Order Elastic Constants (TOECs).

References