Elastic Behaviour of Diborides Under High Pressure

Authors

  • Seema Gupta Agra college, Agra
  • S. C. Goyal FET, R.B.S. College, Bichpuri, Agra

DOI:

https://doi.org/10.3329/jsr.v1i2.1189

Keywords:

Equation of state, High Pressure, Diborides.

Abstract

The present study deals with the elastic behaviour of diborides (BeB2, MgB2 and NbB2) under high pressure with the help of equation of state (EOS) using the elastic data reported by Islam et al. It is concluded that EOS, which are based either on quantum statistical model or  pseduopotential model, only are capable of explaining high pressure behaviour of the solids under study.  Moreover the value of first order pressure derivative of bulk modulus at infinite pressure (Kinfinity) is greater than 5/3 and thus the diborides under study do not behave as Thomas-Fermi electron gas under high compression.

 

Keywords: Equation of state; High Pressure; Diborides.

 

© 2009 JSR Publications. ISSN: 2070-0237 (Print); 2070-0245 (Online). All rights

reserved.

 

DOI: 10.3329/jsr.v1i2.1189

 

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Author Biographies

Seema Gupta, Agra college, Agra

Deptt. of Physics

Agra College, Agra

S. C. Goyal, FET, R.B.S. College, Bichpuri, Agra

Dean,

Faculty of Engg.

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Published

2009-04-22

How to Cite

Gupta, S., & Goyal, S. C. (2009). Elastic Behaviour of Diborides Under High Pressure. Journal of Scientific Research, 1(2), 275–280. https://doi.org/10.3329/jsr.v1i2.1189

Issue

Vol. 1 No. 2 (2009)

Section

Section A: Physical and Mathematical Sciences

License

© Journal of Scientific Research

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