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Infrared spectroscopy and nano-imaging of the insulator-to-metal transition in vanadium dioxide
M. M. Qazilbash, M. Brehm, G. O. Andreev +11
We present a detailed infrared study of the insulator-to-metal transition (IMT) in vanadium dioxide (VO2) thin films. Conventional infrared spectroscopy was employed to investigate…
Switching of the Mott transition based on the hole-driven MIT theory
Hyun-Tak Kim, Bong-Jun Kim, Yong Wook Lee +2
Switching voltage of first-order metal-insulator transition (MIT) in VO_2, an inhomogeneous strongly correlated system, is changed by irradiating an infrared light with wavelength,…
Mott transition in VO2 revealed by infrared spectroscopy and nano-imaging
M. M. Qazilbash, M. Brehm, Byung-Gyu Chae +9
Electrons in correlated insulators are prevented from conducting by Coulomb repulsion between them. When an insulator-to-metal transition is induced in a correlated insulator by do…
Hole-driven MIT theory, Mott transition in VO_2, MoBRiK
Hyun-Tak Kim, Bong-Jun Kim, Yong Wook Lee +3
For inhomogeneous high-T_c superconductors, hole-driven metal-insulator transition (MIT) theory explains that the gradual increase of conductivity with increasing hole doping is du…
Mott transition observed by micro-Raman scattering in VO_2
Hyun-Tak Kim, Byung-Gyu Chae, Bong-Jun Kim +3
A strongly correlated Mott first-order metal-insulator transition (MIT) (or Jump) not accompanied by the structural phase transition (SPT) was clearly revealed in VO_2, (New J. Phy…