Evidence of spin-phonon coupling in CrSiTe$_3$

A. Milosavljevi\'c; A. \v{S}olaji\'c; C. Petrovic; J. Pe\v{s}i\'c; N. Lazarevi\'c; Yu Liu; Z.V. Popovi\'c

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Evidence of spin-phonon coupling in CrSiTe₃

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arxiv 1807.05447 v1 pith:ABUWTELM submitted 2018-07-14 cond-mat.mtrl-sci cond-mat.str-el

Evidence of spin-phonon coupling in CrSiTe₃

A. Milosavljevi\'c , A. \v{S}olaji\'c , J. Pe\v{s}i\'c , Yu Liu , C. Petrovic , N. Lazarevi\'c , Z.V. Popovi\'c This is my paper

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keywords couplingcrsitemodesobservedramanresultsspin-phononsymmetry

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We present the Raman scattering results on layered 2D semiconducting ferromagnetic compound CrSiTe$_3$. Four Raman active modes, predicted by symmetry, have been observed and assigned. The experimental results are supported by DFT calculations. The self-energies of the $A_g^3$ and the $E_g^3$ symmetry modes exhibit unconventional temperature evolution around 180 K. In addition, the doubly degenerate $E_g^3$ mode shows clear change of asymmetry in the same temperature region. The observed behavior is consistent with the presence of the previously reported short-range magnetic order and the strong spin-phonon coupling.

Evidence of spin-phonon coupling in CrSiTe₃

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