Research Article

Investigation of structural and dynamic properties in α -PbO2 phase of SnO2 under pressure

Volume: 21 Number: 3 June 1, 2017
EN TR

Investigation of structural and dynamic properties in α -PbO2 phase of SnO2 under pressure

Abstract

SnO2 has various specific and unique properties, which make this material very useful for many
applications. The elastic constants of materials are very important because they are closely associated
with the mechanical, physical and chemical properties. The structural and elastic constants of SnO
2 were
investigated using density functional theory (DFT) as implemented in VASP software. The lattice
parameters, atomic positions and elastic constants were studied up to pressure of 18 GPa. The calculated
elastic constants indicate that SnO
2 is mechanically stable. Some fundamental physical quantities such as
bulk modulus, Debye temperature, Poisson’s ratio, Young's modulus, shear modulus, and crystal
anisotropy were derived calculated data. The phase transition from CaCl
2 – type to α-PbO2 structure is
obtained at 12.13 GPa. The Debye temperature of SnO
2 was computed from the elastic moduli and sound
velocities. The computed average linear compressibility of α-PbO
2 structure is 1.90 TPa-1 in the x, y and z
direction at ambient pressure. Also, the pressure-induced lattice (elastic) constants were fitted to the
regression equation in order to make direct comparison to results obtained by other calculations. The
results were compared with available theoretical and experimental data.
  

Keywords

References

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Details

Primary Language

English

Subjects

Metrology, Applied and Industrial Physics

Journal Section

Research Article

Publication Date

June 1, 2017

Submission Date

October 7, 2016

Acceptance Date

January 31, 2017

Published in Issue

Year 2017 Volume: 21 Number: 3

APA
Özer, T., Karataşlı, M., & Çabuk, S. (2017). Investigation of structural and dynamic properties in α -PbO2 phase of SnO2 under pressure. Sakarya University Journal of Science, 21(3), 411-419. https://doi.org/10.16984/saufenbilder.298940
AMA
1.Özer T, Karataşlı M, Çabuk S. Investigation of structural and dynamic properties in α -PbO2 phase of SnO2 under pressure. SAUJS. 2017;21(3):411-419. doi:10.16984/saufenbilder.298940
Chicago
Özer, Tahsin, Muhammet Karataşlı, and Süleyman Çabuk. 2017. “Investigation of Structural and Dynamic Properties in α -PbO2 Phase of SnO2 under Pressure”. Sakarya University Journal of Science 21 (3): 411-19. https://doi.org/10.16984/saufenbilder.298940.
EndNote
Özer T, Karataşlı M, Çabuk S (June 1, 2017) Investigation of structural and dynamic properties in α -PbO2 phase of SnO2 under pressure. Sakarya University Journal of Science 21 3 411–419.
IEEE
[1]T. Özer, M. Karataşlı, and S. Çabuk, “Investigation of structural and dynamic properties in α -PbO2 phase of SnO2 under pressure”, SAUJS, vol. 21, no. 3, pp. 411–419, June 2017, doi: 10.16984/saufenbilder.298940.
ISNAD
Özer, Tahsin - Karataşlı, Muhammet - Çabuk, Süleyman. “Investigation of Structural and Dynamic Properties in α -PbO2 Phase of SnO2 under Pressure”. Sakarya University Journal of Science 21/3 (June 1, 2017): 411-419. https://doi.org/10.16984/saufenbilder.298940.
JAMA
1.Özer T, Karataşlı M, Çabuk S. Investigation of structural and dynamic properties in α -PbO2 phase of SnO2 under pressure. SAUJS. 2017;21:411–419.
MLA
Özer, Tahsin, et al. “Investigation of Structural and Dynamic Properties in α -PbO2 Phase of SnO2 under Pressure”. Sakarya University Journal of Science, vol. 21, no. 3, June 2017, pp. 411-9, doi:10.16984/saufenbilder.298940.
Vancouver
1.Tahsin Özer, Muhammet Karataşlı, Süleyman Çabuk. Investigation of structural and dynamic properties in α -PbO2 phase of SnO2 under pressure. SAUJS. 2017 Jun. 1;21(3):411-9. doi:10.16984/saufenbilder.298940


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