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s-d coupling enhanced phonon anharmonicity in copper-based compounds
Kaike Yang, Huai Yang, Yujia Sun +7
Materials with ultralow thermal conductivity are of great interest for efficient energy conversion and thermal barrier coating. Copper-based semiconductors such as copper chalcogen…
Measuring bulk and surface acoustic modes in diamond by angle-resolved Brillouin spectroscopy
Ya-Ru Xie, Shu-Liang Ren, Yuan-Fei Gao +3
The acoustic modes of diamond not only are of profound significance for studying its thermal conductivity, mechanical properties and optical properties, but also play a determined…
Understanding angle-resolved polarized Raman scattering from black phosphorus at normal and oblique laser incidences
Miao-Ling Lin, Yu-Chen Leng, Xin Cong +7
The selection rule for angle-resolved polarized Raman (ARPR) intensity of phonons from standard group-theoretical method in isotropic materials would break down in anisotropic laye…
Observation of nonreciprocal magneto-optical scattering in nonencapsulated few-layered CrI3
Zhen Liu, Kai Guo, Guangwei Hu +17
Magneto-optical effect refers to a rotation of polarization plane, which has been widely studied in traditional ferromagnetic metal and insulator films and scarcely in two-dimensio…
Breakdown of Raman Selection Rules By Fröhlich Interaction in Few-Layer WS
Qing-Hai Tan, Kai-Xuan Xu, Yu-Jia Sun +5
The Raman selection rules arise from the crystal symmetry and then determine the Raman activity and polarization of scattered phonon modes. However, these selection rules can be br…
Linear Dichroism Conversion in Quasi One-Dimensional Perovskite Chalcogenide
Jiangbin Wu, Xin Cong, Shanyuan Niu +6
Anisotropic photonic materials with linear dichroism are crucial components in many sensing, imaging and communication applications. Such materials play an important role as polari…