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- Los Alamos National LaboratoryUS30 papers
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5 papers · 1 filter
Imaging the Fano Lattice to 'Hidden Order' Transition in URu2Si2
Andrew R. Schmidt, Mohammad H. Hamidian, Peter Wahl +6
Within a Kondo lattice, the strong hybridization between electrons localized in real space (r-space) and those delocalized in momentum-space (k-space) generates exotic electronic s…
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…
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…
Tuning impurity states in bilayer graphene
Hari P. Dahal, A. V. Balatsky, Jian-Xin Zhu
We study the impurity states in bilayer graphene in the unitary limit using Green's function method. Unlike in single layer graphene, the presence of impurities at two non-equivale…
Softening of the insulating phase near Tc for the photo-induced insulator-to-metal phase transition in vanadium dioxide
D. J. Hilton, R. P. Prasankumar, S. Fourmaux +6
We use optical-pump terahertz-probe spectroscopy to investigate the near-threshold behavior of the photoinduced insulator-to-metal (IM) transition in vanadium dioxide thin films. U…