First Principle Study of the Mechanical Properties and Phonon Dispersion of the Iron Pnictide Compound EuFe<sub>2</sub>As<sub>2</sub>

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Property</td><td class="align_center">Voigt approximation</td><td class="align_center">Reuss approximation</td><td class="align_center">Voigt–Reuss–Hill average</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Bulk modulus (<i>B</i>)</td><td class="align_center">346.939 GPa</td><td class="align_center">346.352 GPa</td><td class="align_center">346.646 GPa</td></tr><tr><td class="align_left">Young’s modulus (<i>E</i>)</td><td class="align_center">375.378 GPa</td><td class="align_center">350.224 GPa</td><td class="align_center">362.801 GPa</td></tr><tr><td class="align_left">Shear modulus (<i>G</i>)</td><td class="align_center">142.224 GPa</td><td class="align_center">131.518 GPa</td><td class="align_center">136.871 GPa</td></tr><tr><td class="align_left">Poisson ratio (<i>n</i>)</td><td class="align_center">0.31967</td><td class="align_center">0.33147</td><td class="align_center">0.3254</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Bulk, shear, and Young’s modulus, and the Poisson ratio of EuFe<sub>2</sub>As<sub>2</sub>.</div>

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tab3

Table 3

Table 3: First Principle Study of the Mechanical Properties and Phonon Dispersion of the Iron Pnictide Compound EuFe<sub>2</sub>As<sub>2</sub> 

The Scientific World Journal

First Principle Study of the Mechanical Properties and Phonon Dispersion of the Iron Pnictide Compound EuFe2As2

Table 3

First Principle Study of the Mechanical Properties and Phonon Dispersion of the Iron Pnictide Compound EuFe₂As₂