Zone-center phonons and elastic properties of ternary chalcopyrite ABSe2 (A = Cu and Ag; B = al, Ga and In)
Sign Up to like & getrecommendations! Published in 2019 at "Materials Chemistry and Physics"
DOI: 10.1016/j.matchemphys.2019.02.024
Abstract: Abstract The zone-center phonon frequencies and the elastic properties of six ternary chalcopyrite compounds represented by ABSe2 (A = Cu and Ag; B = Al, Ga and In) are systematically calculated by using the rigid ion model.… read more here.
Keywords: elastic properties; zone center; center phonons; ternary chalcopyrite ... See more keywords
Electronic Origin of Non-Zone-Center Phonon Condensation: Octahedral Rotation as a Case Study.
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DOI: 10.1103/physrevlett.127.215701
Abstract: Unstable zone-boundary phonon modes drive atomic displacements linked to a rich array of properties. Yet, the electronic origin of the instability remains to be clearly explained. In this Letter, we propose that bonding interaction between… read more here.
Keywords: electronic origin; non zone; center phonon; zone center ... See more keywords