684 citations · 4.9k across the 43 of their papers we have counts for
8 papers · 1 filter
Closing of the Mott gap near step edges in NiS2
Yuuki Yasui, Kota Iwata, Shota Okazaki +5
A prototypical charge-transfer type Mott insulator NiS2 pyrite exhibits a metal-insulator transition with bandwidth control. Recent discoveries on surface-specific electronic state…
Behavior under magnetic field of resonance at the edge of the upper Hubbard band in 1T-TaS2
C. J. Butler, M. Yoshida, T. Hanaguri +1
Recent theoretical investigations of quantum spin liquids have described phenomenology amenable to experimental observation using scanning tunneling microscopy. This includes chara…
Doublon-like excitations and their phononic coupling in a Mott charge-density-wave system
C. J. Butler, M. Yoshida, T. Hanaguri +1
Electron-phonon-driven charge density waves can in some circumstances allow electronic correlations to become predominant, driving a system into a Mott insulating state. New insigh…
Imaging the coupling between itinerant electrons and localised moments in the centrosymmetric skyrmion magnet GdRu2Si2
Yuuki Yasui, Christopher J. Butler, Nguyen Duy Khanh +8
Magnetic skyrmions were thought to be stabilised only in inversion-symmetry breaking structures, but skyrmion lattices were recently discovered in inversion symmetric Gd-based comp…
Mottness versus unit-cell doubling as the driver of the insulating state in 1T-TaS2
C. J. Butler, M. Yoshida, T. Hanaguri +1
If a material with an odd number of electrons per unit cell turns out to be insulating, Mott localisation may be invoked as an explanation. This is widely accepted for the layered…
Local Tunneling Spectroscopy across a Metamagnetic Critical Point in the Bi-layer Ruthenate Sr3Ru2O7
K. Iwaya, S. Satow, T. Hanaguri +8
The local spectroscopic signatures of metamagnetic criticality in Sr3Ru2O7 were explored using scanning tunneling microscopy (STM). Singular features in the tunneling spectrum were…
Hidden Charge-Density-Wave Order in a Low-Tc Superconductor 2H-NbSe2
T. Kiss, T. Yokoya, A. Chainani +4
The Charge-density-wave(CDW) in 2H-NbSe2(TCDW ~ 33 K), which coexists with superconductivity(Tc = 7.2 K), is investigated using Angle-resolved photoemission spectroscopy as a funct…
Microwave and millimeter wave spectroscopy in the slightly hole-doped ladders of SrCuO
H. Kitano, R. Inoue, T. Hanaguri +6
We have measured the temperature- and frequency dependence of the microwave and millimeter wave conductivity along both the ladder (c-axis) and the leg (a-axis) directio…