Elastic properties of alkaline earth oxides under high pressure

Singh, Sushma; Gupta, Seema; Goyal, S. C.

doi:10.1016/j.physb.2006.10.011

Cited by 19 publications

(14 citation statements)

References 46 publications

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“…This is why, recently, there have been several attempts [1][2][3][4][5][16][17][18][19][20] to determine the elastic constants of higher order using experimental and theoretical [1,16,20] techniques. In this paper, the second-and third-order elastic constants at room temperature for lead chalcogenides are shown in Table I together with values calculated by other workers [9].…”

Section: Resultsmentioning

confidence: 99%

Temperature Dependent Anharmonic Properties of Lead Chalcogenides

Raju

2010

Acta Phys. Pol. A

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Calculations were made to investigate the anharmonic properties of lead chalcogenides PbS, PbSe and PbTe at elevated temperatures by means of primary physical parameters viz. nearest-neighbour distance and hardness parameter using long-and short-range potentials. Higher-order elastic constants are computed up to their melting temperature for these crystals. The first order pressure derivatives of second-and third-order elastic constants, the second-order pressure derivatives of second-order elastic constants and partial contractions are also evaluated at different temperatures. As the experimental elastic constants are not available at high temperatures, hence our results were only compared with the available values obtained at room temperature. The nature of the elastic behaviour in these compounds was analyzed.

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Section: Resultsmentioning

confidence: 99%

Temperature Dependent Anharmonic Properties of Lead Chalcogenides

Raju

2010

Acta Phys. Pol. A

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“…Significant progress has been achieved over the past year to describe the properties of condensed matter in terms of universal relationship involving a small number of parameters. Especially since 1984 Rose et al 1 proposed that there exists a universal EOS (UEOS) forms of UEOS have been proposed with different extent of success [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20] .…”

Section: Introductionmentioning

confidence: 99%

“…has been treated as an adjustable parameter in recent studies on high-pressure equation of state (EOS) for solids [20][21][22] .…”

Section: Introductionmentioning

confidence: 99%

Equations of state for metals under high compression

Pathak¹

2016

jusps-B

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The extreme compression value of the pressure derivative of bulk modulus i.e.has been treated as an adjustable parameter in recent studies on high pressure equations of state (EOS) for solids. The present study presents the elastic behaviour of metals i.e. Iron, Aluminium and Copper under high compression with the help of Birch-Murnaghan, Bre-Stacey, Shanker, Born, Vinet, Bardeen, Ullaman and Tait Equations of state.Further these EOS have been critically examined by evaluating the values of pressure derivative of bulk modulus at infinite pressure. The value of this parameter is found out to be grater than 5/3 by some EOS in case of Fe, Al and Cu such results is in good agreement with the Seismic Study of these metals.

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“…The behaviors of elastic constants under the effect of high pressure and high temperature have attracted the attention of experimental 2-4 as well as theoretical workers [5][6][7][8] . It has been observed that the theoretical methods are divided into two categories: (i) Interionic potential based methods.…”

Section: Introductionmentioning

confidence: 99%

Temperature Dependence of Elastic Constants of Alkaline Earth Oxide Solids

Singh¹

2013

Int. J. Mod. Phys. Conf. Ser.

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A simple and straightforward theoretical model is developed to investigate the elastic constants of alkaline earth oxide solids under the effect of temperature. The calculation are performed with the help of high temperature equation of state (EOS) derived from Tallon's method based on thermodynamic analysis. The results obtained for these solids are discussed and compared with experimental data under the effect of high temperature. The results are found to be in good agreement with available experimental results

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Elastic properties of alkaline earth oxides under high pressure

Cited by 19 publications

References 46 publications

Temperature Dependent Anharmonic Properties of Lead Chalcogenides

Temperature Dependent Anharmonic Properties of Lead Chalcogenides

Equations of state for metals under high compression

Temperature Dependence of Elastic Constants of Alkaline Earth Oxide Solids

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