Metal-Insulator Phase Transition in Quasi-One-Dimensional VO₂ Structures

Figure 8

(a) Raman spectra of a VO₂ microcrystal showing the tensile strain-dependent evolution of structural phase transitions at room temperature. (b) A Raman frequency map of strain-temperature phase diagram of the insulating phases of the VO₂ microcrystal represented via the phonon frequency shift. Panels (a) and (b) adapted with permission from [37].

(a)

(b)