A New Phase of GaN

Table 2

Calculated elastic constant (GPa), bulk modulus (GPa), shear modulus (GPa), and Young’s modulus (GPa) of GaN.

Pnma	GGA	156	63	114	271	117	263	72	92	66	134	66	170
	LDA	147	80	141	315	145	306	75	97	64	150	68	177
P63mc	GGA	321	107	84			334	88		107	170	103	257
	LDA	372	137	107			425	96		118	208	115	291
	LDA	334	132	99			372	86		101	189		330
	LDA	377	160	114			209	81		109	195		324
	LDA	396	144	100			392	91		126
	Exp.	373	141	80			387	94		118	207		373

This work, [23], [27], [28], [25], and [29].