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X-ray diffraction patterns of up to . The forward arrows (↑) represent the occurrence of the new peaks that belong to , and the three marked peaks are indexed to the (102), (103), and (105) diffraction planes of the polymorph. At , the corresponding energy values are lower than those of , extrapolated from the pressure-dependent profile.
Compression curves of the hexagonal structure . (a) Pressure-dependent profiles of cell parameters and ; (b) pressure-dependent profiles of and .
Equation-of-state (EOS) data of three members of the solid solution.
The cell and compression parameters of three solid solution members with the same hexagonal structure. The results of , , and are from Refs. 8 and 11, and this study, respectively.
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