Angle-Dependent Raman Scattering Studies on Anisotropic
2022年12月8日 · In this paper, we employed the angle-dependent Raman scattering (ADRS) to study the phonon anisotropy property of the wurtzite 4H-SiC crystal both theoretically and experimentally.
The In-Plane Anisotropy of WTe2 Investigated by Angle-Dependent …
2016年7月11日 · We have systemically studied the in-plane anisotropy of Raman modes in few-layer and bulk WTe 2 by angle-dependent and polarized Raman spectroscopy (ADPRS). Ten Raman modes are clearly...
Raman Spectroscopy Application in Anisotropic 2D Materials
Song and his team conducted a comprehensive investigation into the in-plane anisotropy of Raman modes in both few-layer and bulk WTe 2, utilizing angle-dependent and polarized Raman spectroscopy. Figure 8 below clearly displays the resolution of ten distinct Raman modes.
Angle-/temperature-dependence of Raman scattering in layered …
2017年9月19日 · Temperature-dependent Raman shifts for the four prominent Raman peaks which locate at (a) 143.3cm-1, (b) 155.8cm-1, (c) 164.0cm-1, (d) 216.6cm-1 at room temperature, the height of the block signs the fitting variances.
Raman Anisotropy and Polarization-Sensitive Photodetection in …
2021年12月12日 · We have systemically studied the in-plane anisotropy of Raman modes in few-layer and bulk WTe2 by angle-dependent and polarized Raman spectroscopy (ADPRS). Ten Raman modes are clearly resolved. Their intensities show periodic variation with sample rotating.
Revealing the anisotropic phonon behaviours of layered SnS by angle …
2022年11月10日 · The angle-resolved polarized Raman spectroscopy, combined with electron backscattered diffraction technology, is utilized to systematically investigate the in-plane anisotropy of the phonon response and then determine the in-plane orientation.
Computational modeling of angle dependent raman and …
2023年9月1日 · Ultra-thin and bulk flakes of MoS 2 were undertaken via Raman angle-dependent spectroscopy which proved the atomic thickness of MoS 2 crystal. The monochromatic laser light of 532 nm wavelength and 200μW power shone on the birefringence sample to excite the extremely thin or bulk layers of MoS 2 .
Understanding angle-resolved polarized Raman scattering from …
2020年11月30日 · Herein, taking in-plane anisotropic black phosphorus as a prototype, we developed a so-called birefringence-linear-dichroism (BLD) model to quantitatively understand its ARPR intensity at both normal and oblique laser incidences by the same set of real Raman tensors for certain laser excitation.
In-Plane Anisotropies of Polarized Raman Response and Electrical ...
2017年3月20日 · The SnSe NPs’ polarized Raman spectra exhibit an angular dependence that reveals the crystal’s anomalous anisotropic light–matter interaction. The Raman’s anisotropic response has a dependence upon the incident light polarization, photon, and phonon energy, arising from the anisotropic electron–photon and electron–phonon ...
In-plane optical and electrical anisotropy in low-symmetry layered …
2022年5月13日 · Polarized Raman spectra reveal angle-dependent intensities that are attributed to the anisotropic layered structure of GeS microribbons. The photoluminescence (PL) spectra reveal a peak at...