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Observation of Dirac-like band dispersion in LaAgSb
X. Shi, P. Richard, Kefeng Wang +10
We present a combined angle-resolved photoemission spectroscopy (ARPES) and first-principles calculations study of the electronic structure of LaAgSb in the entire first Brillo…
Creating Nanostructured Superconductors On Demand by Local Current Annealing
Hongwoo Baek, Jeonghoon Ha, Duming Zhang +10
Superconductivity results from a Bose condensate of Cooper-paired electrons with a macroscopic quantum wavefunction. Dramatic effects can occur when the region of the condensate is…
Breakdown of compensation and persistence of non-saturating magnetoresistance in WTe2 thin flakes
Yilin Wang, Kefeng Wang, Janice Reutt-Robey +2
We present a detailed study of magnetoresistance \r{ho}xx(H), Hall effect \r{ho}xy(H), and electrolyte gating effect in thin (<100 nm) exfoliated crystals of WTe2. We observe quant…
Strong enhancement of conventional superconductivity near a quantum critical point of (Ca,Sr)_3Ir_4Sn_13
P. K. Biswas, Z. Guguchia, R. Khasanov +5
Competing electronic states are found in the large majority of unconventional superconductors, including high-Tc cuprates, iron based superconductors and many heavy fermion systems…
Topological PdBi half-Heusler semimetals: a new family of non-centrosymmetric magnetic superconductors
Yasuyuki Nakajima, Rongwei Hu, Kevin Kirshenbaum +9
We report superconductivity and magnetism in a new family of topological semimetals, the ternary half Heusler compounds PdBi ( : rare earth). In this series, tuning of the ra…