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Journal of Engineering and Applied Science

Table 3 Morse potential parameters, spring force constants, and cubic parameters under pressure effects up to 14GPa

From: High-pressure study of thermodynamic parameters of diamond-type structured crystals using interatomic Morse potentials

Pressure (GPa)

D (eV)

α (Å−1)

keff (eV/Å2)

k3eff (eV/Å3)

0

0.3376

1.3588

3.1396

0.6423

5

0.3154

1.3485

2.9032

0.6415

10

0.2977

1.3168

2.7428

0.5902

14

0.2184

1.2854

2.3595

0.5527

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