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(Color online) Theoretical tetragonal elastic modulus C′(T, x) (with error bars indicated) of cubic L21-Ni2+ x Mn1− x Ga (x = 0.0, 0.1, and 0.2) as a function of temperature T. The experimental TM (x) values (Ref. 20) and the corresponding theoretical C′(TM (x), x) are also shown.
(Color online) The minority DOS around the Fermi level for cubic L21-Ni2+ x Mn1− x Ga (x = 0.0, 0.1, and 0.2) alloys with 0% tetragonal shear distortion (a) and 5% tetragonal shear distortion (b), respectively. The vertical lines indicate the Fermi level.
Resolved C′∼T slopes: electronic entropy , phonon-smearing , thermal expansion , and magnetism together with the total one of cubic L21-Ni2+ x Mn1− x Ga (x = 0.0, 0.1, and 0.2) alloys. All in unit of 10−4 GPa/K.
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