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- Korea Advanced Institute of Science and TechnologyKR42 papers
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- Ulsan National Institute of Science and TechnologyKR10 papers
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6 papers · 1 filter
Correlated metallic state of vanadium dioxide
M. M. Qazilbash, K. S. Burch, D. Whisler +4
The metal-insulator transition and unconventional metallic transport in vanadium dioxide (VO) are investigated with a combination of spectroscopic ellipsometry and reflectance…
Temperature dependence of Mott transition in VO_2 and programmable critical temperature sensor
Bong-Jun Kim, Yong Wook Lee, Byung-Gyu Chae +4
The temperature dependence of the Mott metal-insulator transition (MIT) is studied with a VO_2-based two-terminal device. When a constant voltage is applied to the device, an abrup…
Robustness of multiparty nonlocality to local decoherence
Sung Soon Jang, Yong Wook Cheong, Jaewan Kim +1
We investigate the robustness of multiparty nonlocality under local decoherence, acting independently and equally on each subsystems. To be specific, we consider an N-qubit GHZ sta…
Monoclinic and Correlated Metal Phase in VO_2 as Evidence of the Mott Transition: Coherent Phonon Analysis
Hyun-Tak Kim, Yong-Wook Lee, Bong-Jun Kim +6
In femtosecond pump-probe measurements, the appearance of coherent phonon oscillations at 4.5 THz and 6.0 THz indicating the rutile metal phase of VO_2 does not occur simultaneousl…
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…
Synthesis of VO_2 Nanowire and Observation of the Metal-Insulator Transition
Sungyoul Choi, Bong-Jun Kim, Yong-Wook Lee +2
We have fabricated crystalline nanowires of VO_2 using a new synthetic method. A nanowire synthesized at 650^oC shows the semiconducting behavior and a nanowire at 670^oC exhibits…