首页|Optothermal and temperature reliant phonon dynamics probed by Raman spectroscopy
Optothermal and temperature reliant phonon dynamics probed by Raman spectroscopy
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NSTL
Elsevier
The work compares the dependency of temperature on the out of plane and in-plane Raman modes of DVT grown crystalline WSe2 with that of Co and Ni incorporated samples. The structural validations were recognized from their X-Ray diffractograms. The alteration in the mode positions reliant on temperature led to the deduction of first-order temperature coefficients in the range of 10-3 cm-1/K. The observed shift originates from the threephonon anharmonic process. The optothermal method, where the laser holds the role of a heat source in instigating a shift in the modes has also been documented, thermal conductivity of the materials has been deduced from the same.
NSTL
Elsevier
