. 2016 May 10;6:25637. doi: 10.1038/srep25637

Table 6. Internal energies of the K_1−xNa_xTa_1−yNb_yO₃ crystals.

K_1−xNa_xTa_1−yNb_yO₃	U_o(eV/Å³)	U_t (eV/Å³)	ΔU = U_t − U_o (eV/Å³)
K_0.30Na_0.70Ta_0.37Nb_0.63O₃	50.7596	53.7836	3.0241
K_0.36Na_0.64Ta_0.40Nb_0.60O₃	49.6940	52.4140	2.7200
K_0.39Na_0.61Ta_0.42Nb_0.58O₃	49.0279	51.5945	2.5666

Table 6. Internal energies of the K1−xNaxTa1−yNbyO3 crystals.