Pressure-induced structural phase transition and elastic property of InN1-xBix were investigated by using first-principles calculations. All the structural parameters of InN1-xBix almost exhibit a monotonic decrease with an increasing pressure, except for InN0.9062Bi0.0938. Phase transition pressures from wurtzite (WZ) to rock-salt (RS) are about 11.9, 10.9 and 11.7 GPa for InN, InN0.9687Bi0.0313, and InN0.9062Bi0.0938, respectively. Zinc-blende (ZB) structure is a more stable phase for InN0.9375Bi0.0625 alloy under the general environment and transforms to RS structure when pressure is at 14.7 GPa. Elastic constants C-11 and C-33 increase with the increase of pressure for three different phases. C-12 and C-13 also change in WZ and ZB phases while keeping unchanged in RS phase with the increase of pressure, and C-44 also has the same trend as C-12 and C-13 have in RS structures. Our calculations present an investigation of the overall elastic properties of pressure-induced InN1-xBix alloy.

Pressure-induced structural phase transition and elastic property of InN1-xBix were investigated by using first-principles calculations. All the structural parameters of InN1-xBix almost exhibit a monotonic decrease with an increasing pressure, except for InN0.9062Bi0.0938. Phase transition pressures from wurtzite (WZ) to rock-salt (RS) are about 11.9, 10.9 and 11.7 GPa for InN, InN0.9687Bi0.0313, and InN0.9062Bi0.0938, respectively. Zinc-blende (ZB) structure is a more stable phase for InN0.9375Bi0.0625 alloy under the general environment and transforms to RS structure when pressure is at 14.7 GPa. Elastic constants C-11 and C-33 increase with the increase of pressure for three different phases. C-12 and C-13 also change in WZ and ZB phases while keeping unchanged in RS phase with the increase of pressure, and C-44 also has the same trend as C-12 and C-13 have in RS structures. Our calculations present an investigation of the overall elastic properties of pressure-induced InN1-xBix alloy.

Razdobreev et al. claim that the energy level diagrams discussed in our paper are absolutely inconsistent with the experimental data. We carefully studied the comment and concluded that the claims on our paper are largely invalid. We maintain that the proposed diagrams in our paper can explain the luminescence in the spectral range of 1.4-1.7 mu m and the spectral region 1.15 mu m. Our calculated results are reliable for non-defective silica fiber models.

Razdobreev et al. claim that the energy level diagrams discussed in our paper are absolutely inconsistent with the experimental data. We carefully studied the comment and concluded that the claims on our paper are largely invalid. We maintain that the proposed diagrams in our paper can explain the luminescence in the spectral range of 1.4-1.7 mu m and the spectral region 1.15 mu m. Our calculated results are reliable for non-defective silica fiber models.