Structural, Electronic, Elastic, Mechanical, and Opto-Electronic Properties for ZnAg₂SnS₄ and ZnAg₂Sn_0.93Fe_0.07S₄ Photocatalyst Effort on Wastewater Treatment through the First Principle Study

Table 4

Calculation of elastic constants (Cij in GPa), and debye temperature in K.

Compound	C11	C12	C44	C13	C33	C66	Debye temperature,
ZnAg2SnS4	85.10	55.50	35.80	58.65	67.03	28.32	235.2
ZnAg2Sn0.93Fe0.0.07S4	44.97	32.76	−52.17	39.34	47.84	23.47	Elastically unstable