2015
DOI: 10.1016/j.vibspec.2015.08.003
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Polarized Raman scattering of large crystalline domains in VO2 films on sapphire

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Cited by 33 publications
(15 citation statements)
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“…It is noticed that the full temperature-dependent Raman spectra of the VO 2 films for temperatures between 30 and 80 • C in heating and cooling cycles are shown in Figures S1 and S2, respectively. As shown in Figure 4, four Raman peaks at 194, 224, 305, and 616 cm −1 are associated with the monoclinic phase VO 2 [25,26,[59][60][61]. The peaks of 194, 305, and 616 cm −1 are assigned to A g phonon vibration modes [25,26,59,60] and the peak of 224 cm −1 can be assigned to A g + B g mode [61].…”
Section: Resultsmentioning
confidence: 96%
See 1 more Smart Citation
“…It is noticed that the full temperature-dependent Raman spectra of the VO 2 films for temperatures between 30 and 80 • C in heating and cooling cycles are shown in Figures S1 and S2, respectively. As shown in Figure 4, four Raman peaks at 194, 224, 305, and 616 cm −1 are associated with the monoclinic phase VO 2 [25,26,[59][60][61]. The peaks of 194, 305, and 616 cm −1 are assigned to A g phonon vibration modes [25,26,59,60] and the peak of 224 cm −1 can be assigned to A g + B g mode [61].…”
Section: Resultsmentioning
confidence: 96%
“…As shown in Figure 4, four Raman peaks at 194, 224, 305, and 616 cm −1 are associated with the monoclinic phase VO 2 [25,26,[59][60][61]. The peaks of 194, 305, and 616 cm −1 are assigned to A g phonon vibration modes [25,26,59,60] and the peak of 224 cm −1 can be assigned to A g + B g mode [61]. The low-frequency phonons at 194 and 224 cm −1 relate to lattice motion involving V-V bonds, while the other peaks are attributed to V-O bonds [26,[59][60][61].…”
Section: Resultsmentioning
confidence: 98%
“…They have not been resolved experimentally. The missing ninth B g mode is probably located at 450 cm −1 . According to recent calculations, the vibration at 197 cm −1 corresponds to the motion of vanadium atoms along the c ‐axis of the VO 2 crystal (stretching motion of V─V dimers), whereas the mode at 339 cm −1 is associated with the perpendicular motion of metal ions (the tilting motion of V─V dimers) .…”
Section: Vanadium Oxide Polymorphs: Structures and Raman Spectramentioning
confidence: 89%
“…In addition, Raman intensity I j is dependent of each investigated crystallographic plane ( hkl ) via Euler's angles; thus, the selected plane has to be rotated by ϕ around Z ‐axis and by θ around Y ‐axis to have this plane parallel to the ( X , Y ) plane. I j for VV, and HV configurations is then only in plane ψ angle dependent with the following expressions …”
Section: Theoretical Basismentioning
confidence: 99%