Abstract:First-principles method is performed to investigate the structural, electronic, elastic and mechanical characteristics of the tetragonal CuAlS2 in the pressure range from 0 to 10 GPa. The results indicated that both the lattice constant and cell volume decrease with the increase of pressure, which are matched well with available previous values. The pressure has a more significant influence on the c direction than the a and b direction. The obtained elastic constants reveal the tetragonal CuAlS2 is mechanicall… Show more
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