A review of Raman spectroscopy of vanadium oxides
2019年5月15日 · We review the available data on the structures and Raman spectra of vanadium oxides, VOx. We also present our own results concerning such phases as α- and β-vanadium, …
High quality VO2 thin films synthesized from V2O5 powder for …
2021年11月5日 · Vapor transport method has been successfully used to synthesize high quality VO 2 thin films on SiO 2 /Si substrate using V 2 O 5 as a precursor in an inert-gas …
Raman study of the phase transition in VO2 thin films
2004年7月15日 · We have used Raman spectra to study the phase transition in VO 2 thin films. Hysteretic loops observed demonstrate the usefulness of Raman microscopy to study the …
Probing phase transition in VO2 with the novel observation of low ...
2020年2月6日 · We have observed a new collective mode in the low-frequency Raman spectra of all three insulating M1, M2 and T phases. We identify this mode with the breather (singlet spin …
Raman scattering in VO2 - ScienceDirect
2002年5月1日 · In summary, we have observed 17 out of 18 Raman allowed vibrations in the low-temperature monoclinic phase of VO 2. In the high-temperature phase we observed four broad …
In situ Raman-scattering mapping and resistance study of the VO2 …
2022年7月1日 · In situ Raman-scattering mapping scans further prove that the monoclinic-to-rutile phase transition occurs gradually in polycrystalline VO 2 films, in which monoclinic and rutile …
Role of microstructures on the M1-M2 phase transition in epitaxial VO2 ...
2014年5月6日 · In this paper, we report our effort to systematically study the occurrence of the M2 phase in epitaxial VO 2 thin films, using both Raman and Fourier transform infrared (FTIR) …
Phase transition induced Raman enhancement on vanadium dioxide (VO2 ...
A systematic study of the phase transition induced Raman enhancement on VO 2 nanosheets reveals that increase in the crystal symmetry from VO 2 (B) to VO 2 (M) and to VO 2 (R) …
A review of Raman spectroscopy of vanadium oxides
2019年5月1日 · This review summarizes Raman scattering data for different stable and metastable phases of vanadium oxides. We analyze literature data on crystal structures …
Raman fingerprints of different vanadium oxides as impurity …
2024年2月1日 · Vanadium dioxide (VO 2) is a strongly correlated oxide that exhibits a reversible first-order semiconductor-to-metal phase transition (SMT) that occurs at T SMT = 68 °C in …