Angle-resolved photoemission studies of quantum materials
The physics of quantum materials is dictated by many-body interactions and mathematical
concepts such as symmetry and topology that have transformed our understanding of matter …
concepts such as symmetry and topology that have transformed our understanding of matter …
On the remarkable superconductivity of FeSe and its close cousins
Emergent electronic phenomena in iron-based superconductors have been at the forefront
of condensed matter physics for more than a decade. Much has been learned about the …
of condensed matter physics for more than a decade. Much has been learned about the …
Nematicity and nematic fluctuations in iron-based superconductors
The spontaneous reduction of rotational symmetry in a crystalline solid driven by an
electronic mechanism is referred to as electronic nematicity. This phenomenon—initially …
electronic mechanism is referred to as electronic nematicity. This phenomenon—initially …
Unusual crossover from Bardeen-Cooper-Schrieffer to Bose-Einstein-condensate superconductivity in iron chalcogenides
Abstract The BCS-BEC (Bardeen-Cooper-Schrieffer–Bose-Einstein-condensate) crossover
from strongly overlap** Cooper pairs to non-overlap** composite bosons in the strong …
from strongly overlap** Cooper pairs to non-overlap** composite bosons in the strong …
Exotic superconducting states in FeSe-based materials
High-temperature superconductivity and a wide variety of exotic superconducting states
discovered in FeSe-based materials have been at the frontier of research on condensed …
discovered in FeSe-based materials have been at the frontier of research on condensed …
Reversible non-volatile electronic switching in a near-room-temperature van der Waals ferromagnet
Non-volatile phase-change memory devices utilize local heating to toggle between
crystalline and amorphous states with distinct electrical properties. Expanding on this kind of …
crystalline and amorphous states with distinct electrical properties. Expanding on this kind of …
Evidence for an Fulde-Ferrell-Larkin-Ovchinnikov state with segmented vortices in the BCS-BEC-crossover superconductor FeSe
We present resistivity and thermal-conductivity measurements of superconducting FeSe in
intense magnetic fields up to 35 T applied parallel to the ab plane. At low temperatures, the …
intense magnetic fields up to 35 T applied parallel to the ab plane. At low temperatures, the …
Spontaneous orbital polarization in the nematic phase of FeSe
The origin of nematicity in FeSe remains a critical outstanding question towards
understanding unconventional superconductivity in proximity to nematic order. To …
understanding unconventional superconductivity in proximity to nematic order. To …
Non-Fermi liquid transport in the vicinity of the nematic quantum critical point of superconducting
Non-Fermi liquids are strange metals whose physical properties deviate qualitatively from
those of conventional metals due to strong quantum fluctuations. In this paper, we report …
those of conventional metals due to strong quantum fluctuations. In this paper, we report …
Spectral evidence for local-moment ferromagnetism in the van der Waals metals and
Magnetism in two-dimensional (2D) materials has attracted considerable attention recently
for both fundamental understanding of magnetism and its tunability towards device …
for both fundamental understanding of magnetism and its tunability towards device …