Acoustic Anomalies and the Critical Slowing-Down Behavior of MAPbCl3 Single Crystals Studied by Brillouin Light Scattering
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DOI: 10.3390/ma15103692
Abstract: Inelastic light scattering spectra of organic–inorganic halide perovskite MAPbCl3 single crystals were investigated by using Brillouin spectroscopy. Sound velocities and acoustic absorption coefficients of longitudinal and transverse acoustic modes propagating along the cubic [100] direction… read more here.
Keywords: single crystals; light scattering; critical slowing; mapbcl3 single ... See more keywords
Structural Phase Transitions and Thermal Degradation Process of MAPbCl3 Single Crystals Studied by Raman and Brillouin Scattering
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DOI: 10.3390/ma15228151
Abstract: Raman spectroscopy was applied to MAPbCl3 single crystals in a wide frequency range from 10 to 3500 cm−1 over a broad temperature range from −196 °C to 200 °C including both two structural phase transitions… read more here.
Keywords: single crystals; structural phase; mapbcl3 single; raman brillouin ... See more keywords