Research Article
Variation of Bulk Modulus, Its First Pressure Derivative, and Thermal Expansion Coefficient with Applied High Hydrostatic Pressure
Table 1
Bulk modulus and its first pressure derivative from experimental data fitted to Birch–Murnaghan EOS.
| Element | Experimental work | B0 (Gpa) | B0′ | This work |
| Potassium | [34] | 4.307 ± 0.153 | 3.207 ± 0.059 | Data fitted to B–M EOS in this work | [44] | 3.44 | 3.85 | | [45] | 3.09 | 3.98 | | [46] | 3.395 | 2.971 | |
| Aluminum | [35] | 73.37 ± 0.966 | 4.123 ± 0.248 | Data fitted to B–M EOS in this work | [47] | 73 | 4.45 | | [48] | 71.7 ± 3.6 | 4.42 | | [49] | 72.9 ± 0.3 | 4.42 | |
| Beryllium | [8] | 101.428 ± 2.157 | 3.515 ± 0.055 | Data fitted to B–M EOS in this work | [50] | 111 | 4.6 | | [51] | 91 | 3.4 | | [52] | 121 | 3.4 | |
| Gold | [36] | 171.74 ± 5.09 | 5.526 ± 0.047 | Data fitted to B–M EOS in this work | [53] | 167.2 | 5.21 | | [48] | 163.5 ± 8.3 | 5.21 | | [54] | 166.4 | 7.3 | |
| Copper | [37] | 183.31 ± 6.802 | 3.807 ± 0.261 | Data fitted to B–M EOS in this work | [54] | 137.4 | 5.52 | | [53] | 131.4 | 5.44 | | [17] | 120.7 ± 2.1 | 5.3 ± 0.2 | |
| Cobalt | [12] | 209.345 ± 5.145 | 3.244 ± 0.185 | Data fitted to B–M EOS in this work | [55] | 196.5 | 4.007 | | [56] | 203 ± 2 | 3.6 ± 0.1 | | [57] | 199 | 3.6 | |
| Tantalum | [18] | 194.215 ± 5.05 | 3.453 ± 0.108 | Data fitted to B–M EOS in this work | [58] | 194 | 3.74 | | [59] | 194 | 3.83 | | [60] | 206 | 2.76 | |
| Molybdenum | [38] | 249.55 ± 2.786 | 3.86 ± 0.086 | Data fitted to B–M EOS in this work | [61] | 267 | 4.46 | | [62] | 260 | 4.21 | | [14] | 255 | 4.25 | | [63] | 260 | 4.32 | | [64] | 260.79 | 4.35 | |
| Tungsten | [36] | 279.626 ± 3.132 | 6.265 ± 0.351 | Data fitted to B–M EOS in this work | [16] | 308 | 4.20 | | [65] | 304 | 4.1 | | [66] | 312 | 3.68 | |
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