740 citations · 5.6k across the 124 of their papers we have counts for
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Time reversal invariant single gap superconductivity with upper critical field larger than Pauli limit in NbIrB
Debarchan Das, Karolina Górnicka, Zurab Guguchia +5
Recently, compounds with noncentrosymmetric crystal structure have attracted much attention for providing a rich playground in search for unconventional superconductivity. NbIr…
In-situ uniaxial pressure cell for X-ray and neutron scattering experiments
G. Simutis, A. Bollhalder, M. Zolliker +18
We present an in-situ uniaxial pressure device optimized for small angle X-ray and neutron scattering experiments at low-temperatures and high magnetic fields. A stepper motor gene…
Charge order breaks time-reversal symmetry in CsVSb
Rustem Khasanov, Debarchan Das, Ritu Gupta +11
The recently discovered vanadium-based kagome metals VSb (~=~K,~Rb,~Cs) exhibit superconductivity at low-temperatures and charge density wave (CDW) order at high-…
Dynamic Magnetic Crossover at the Origin of the Hidden-Order in van der Waals Antiferromagnet CrSBr
Sara A. López-Paz, Zurab Guguchia, Vladimir Y. Pomjakushin +6
The van der Waals material CrSBr stands out as a promising two-dimensional magnet. Especially, its high magnetic ordering temperature and versatile magneto-transport properties mak…
Two types of charge order in the superconducting kagome material CsVSb
Ritu Gupta, Debarchan Das, Charles Mielke +11
The kagome metals of the family VSb, featuring a unique structural motif, harbor an array of intriguing phenomena such as chiral charge order and superconductivity. CsV$…
Discovery of charge order and corresponding edge state in kagome magnet FeGe
Jia-Xin Yin, Yu-Xiao Jiang, Xiaokun Teng +21
Kagome materials often host exotic quantum phases, including spin liquids, Chern gap, charge order, and superconductivity. Existing scanning microscopy studies of the kagome charge…
Unconventional pressure dependence of the superfluid density in the nodeless topological superconductor -PdBi
Debarchan Das, Ritu Gupta, Christopher Baines +4
We investigated the superconducting properties of the topological superconductor --PdBi at ambient and external pressures up to 1.77~GPa using muon spin rotation (SR) exp…
Tunable nodal kagome superconductivity in charge ordered RbV3Sb5
Z. Guguchia, C. Mielke, D. Das +18
Unconventional superconductors often feature competing orders, small superfluid density, and nodal electronic pairing. While unusual superconductivity has been proposed in the kago…