Pressure Prediction of Electronic, Anisotropic Elastic, Optical, and Thermal Properties of Quaternary (M_2/3Ti_1/3)₃AlC₂ (M = Cr, Mo, and Ti)

Table 4

Theoretically calculated Debye temperature ( in K) and sound velocity (, , and in m/s) under various pressure (GPa) for Al₄Si₂C₅.

Pressure (GPa)	Cr2TiAlC2				Mo2TiAlC2				Ti3AlC2
	Debye ()				Debye ()				Debye ()
0	764.4	5.15	8.57	5.69	641.1	4.47	7.71	4.96	789.6	5.65	8.94	6.21
10	808.8	5.35	9.13	5.94	677.6	4.66	8.18	5.18	828.1	5.79	9.45	6.4
20	853.6	5.58	9.55	6.18	706.1	4.79	8.55	5.33	865.7	5.95	9.92	6.58
30	879.8	5.68	9.86	6.3	730.5	4.9	8.85	5.46	904.9	6.14	10.32	6.79
40	896.7	5.72	10.13	6.36	747.3	4.96	9.11	5.53	927.6	6.21	10.62	6.88
50	920.2	5.81	10.42	6.47	763.9	5.02	9.35	5.61	948.7	6.28	10.9	6.97
60	938.4	5.87	10.71	6.55	780.8	5.09	9.57	5.69	977.3	6.4	11.2	7.11
70	955.7	5.93	10.89	6.62	794	5.13	9.76	5.74	983.2	6.38	11.36	7.1
80	977	6.02	11.15	6.72	806.2	5.17	9.95	5.79	993.6	6.39	11.53	7.12
90	993.3	6.08	11.33	6.79	816.9	5.21	10.11	5.83	1001.9	6.38	11.67	7.12
100	1008.7	6.13	11.56	6.85	827.7	5.24	10.27	5.87	1025	6.49	11.89	7.24