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(Color online) Experimental data and curve fitting of Raman spectrum for . The experimental data are plotted by eliminating the base line.
(Color online) Vibration patterns of the Raman active modes at the point. The arrows denote the vibrational direction parallel or perpendicular to the basal plane. Lengths of arrows represent the magnitude (not in real scale) of the vibrations.
(Color online) Theoretical heat capacities as a function of temperature for , , and two times that of TiC. The two upper curves are heat capacities including lattice and electron contributions, and the three lower curves are lattice heat capacities only.
Computed zone-center Raman active frequencies with identified symmetries for and , together with dominant contributions from various ion species.
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