203 citations · 633 across the 39 of their papers we have counts for
39 papers
AC calorimetric study of magneto-quantum oscillations in anisotropic multiband VGa superconductor
Yevhen V. Petrenko, Jozef Kačmarčík, Tomáš Samuely +7
Unlike de Haas--van Alphen measurements, heat-capacity magneto-quantum oscillations directly probe the oscillatory bulk quasiparticle density of states. Here, we report the observa…
Band-Selective Tunneling and Anisotropic Multiband Superconductivity in VGa
Jozef Haniš, Jozef Kačmarčík, Filip Košuth +7
Multiband superconductors with structural anisotropy offer a fertile ground for exploring unconventional quantum states, yet disentangling their directional pairing characteristics…
Heat Capacity-A Powerful Tool for Studying Exotic States of Matter
K. Ramesh Kumar, Xudong Huai, Michał J. Winiarski +2
Heat capacity measurements are a powerful tool that researchers rely on when studying the relationship between microscopic degrees of freedom and macroscopic behavior in condensed…
Two-Gate Extensions of Free Axis and Free Quaternion Selection for Sequential Optimization of Parameterized Quantum Circuits
Joona V. Pankkonen
We propose two-gate extensions of the sequential single-qubit optimizers, Free Axis Selection (Fraxis) and Free Quaternion Selection (FQS), termed Two-Gate Fraxis (TGF) and Two-Gat…
Possible Proximity to Ferromagnetism in the VGa Superconductor
Szymon Królak, Xudong Huai, Wiktoria Jarosz +6
Superconductivity and ferromagnetism are generally competing ground states in -electron systems, making their interplay of fundamental interest. We report a comprehensive study…
YRuB -- a kagome lattice superconductor
Michał J. Winiarski, Dominik Walczak, Szymon Królak +3
We report the synthesis and physical properties of a polycrystalline, hexagonal boride YRuB. Our resistivity and heat capacity measurements indicate that YRuB is a…
Uncovering surface states of the Dirac semimetal BaMg2Bi2
A. De Vita, J. Bakkelund, H. Świątek +13
BaMg2Bi2 is a Dirac semimetal characterized by a simple Dirac cone crossing the Fermi level at the center of the Brillouin zone, protected by C3 rotational symmetry. Together with…
Quantum oscillations and transport properties of layered single-crystal SrCuAs
Sudip Malick, Michał J. Winiarski, Joanna Bławat +3
We report a systematic investigation of the physical properties and Fermi-surface topology of layered single-crystal \ce{SrCu4As2} using electrical transport, magnetotransport, and…
Antibonding and Electronic Instabilities in GdRu2X2 (X = Si, Ge, Sn): A New Pathway Toward Developing Centrosymmetric Skyrmion Materials
Dasuni N. Rathnaweera, Xudong Huai, K. Ramesh Kumar +4
Chemical bonding is key to unlocking the potential of magnetic materials for future information technology. Magnetic skyrmions are topologically protected nano-sized spin textures…
Inductive-Effect-Driven Tunability of Magnetism and Lumines-cence in Triangular Layers ANd(SO4)2 (A = Rb, Cs)
Xudong Huai, Ebube E. Oyeka, Uchenna Chinaegbomkpa +3
Tuning the energy landscape of manybody electronic states in extended solids through the inductive effect-a concept widely used in organic chemistry-offers a new, effective strateg…
Single-gap two-band superconductivity well above the Pauli limit in non-centrosymmetric TaIrB
J. Kacmarcik, Z. Pribulova, T. Shiroka +11
Non-centrosymmetric superconducting materials represent an exciting class of novel superconductors featuring a variety of unconventional properties, including mixed-parity pairing…
Kondo-like behavior in a mixed valent oxypnictide
Szymon Królak, Michał J. Winiarski, Duygu Yazici +2
We have synthesized and characterized the physical properties of a layered, mixed valent oxypnictide via magnetization, electrical resistivity, an…
Jeff = 1/2 Diamond Magnet CaCo2TeO6: A Pathway toward New Spin Physics and Quantum Functions
Xudong Huai, Luke Pritchard Cairns, Bridget Delles +12
Diamond lattice magnets, formed by a framework of corner-sharing tetrahedra of magnetic cations, offer unique opportunities to realize novel states of matter for potential utility…
Effect of Pressure and Oxygen-Isotope Substitution on Density-Wave Transitions in LaNiO
Rustem Khasanov, Vahid Sazgari, Thomas J. Hicken +15
Understanding the interplay between magnetism and superconductivity in nickelate systems is a key objective in condensed matter physics. Here, we present a systematic muon-spin rot…
Atomically Modulating Competing Exchange Interactions in Centrosymmetric Skyrmion Hosts GdRu2X2 (X = Si, Ge)
Dasuni N. Rathnaweera, Xudong Huai, K. Ramesh Kumar +7
Magnetic skyrmions are topologically protected spin states enabling high-density, low-power spin electronics. Despite growing efforts to find new skyrmion host systems, the microsc…
Superconductivity in ternary MgPdAs
Hanna Świątek, Sylwia Gutowska, Michał J. Winiarski +2
We report the synthesis and characterization of a new compound MgPdAs, which was found to be a superconductor with ~K. Powder X-ray diffraction confirms the U…
Noncentrosymmetric Triangular Magnet CaMnTeO: Strong Quantum Fluctuations and Role of s0 vs. s2 Electronic States in Competing Exchange Interactions
Xudong Huai, Emmanuel Acheampong, Erich Delles +10
Noncentrosymmetric triangular magnets offer a unique platform for realizing strong quantum fluctuations. However, designing these quantum materials remains an open challenge attrib…
Nodal fermions in a strongly spin-orbit coupled frustrated pyrochlore superconductor
Dongjin Oh, Junha Kang, Yuting Qian +11
The pyrochlore lattice, a three-dimensional network of corner-sharing tetrahedra, is a promising material playground for correlated topological phases arising from the interplay be…
The electronic structure of intertwined kagome, honeycomb, and triangular sublattices of the intermetallics MCoAl
Chiara Bigi, Sahar Pakdel, Michał J. Winiarski +10
Intermetallics are an important playground to stabilize a large variety of physical phenomena, arising from their complex crystal structure. The ease of their chemical tuneabilty m…
Ln2(SeO3)2(SO4)(H2O)2 (Ln = Sm, Dy, Yb): A Mixed-Ligand Pathway to New Lathanide (III) Multifunctional Materials Featuring Nonlinear Optical and Magnetic Anisotropy Properties
Ebube Oyeka, Michal J. Winiarski, Hanka Świątek +5
Bottom-up assembly of optically nonlinear and magnetically anisotropic lanthanide materials involving precisely placed spin carriers and optimized metal-ligand coordination offers…
Anomalous Residual Surface Conductivity in a Superconductor with Strong Spin-Orbit Coupling
J. R. Chamorro, P. Chauhan, C. Sun +10
Conventional BCS superconductors are expected to exhibit a conductivity with vanishing dissipation with decreasing temperature. While bulk physical properties measurements indicate…
Spin and Orbital Effects on Asymmetric Exchange Interaction in Polar Magnets: M(IO3)2 (M = Cu, Mn)
Ebube E. Oyeka, Michal J. Winiarski, Maurice Sorolla +3
We study how spin and orbital effects influence the capability of promoting Dzyaloshinskii-Moriya (DM) interaction by studying the two magnetic polar materials, Cu(IO3)2 (S = 1/2 w…
Potential Skyrmion Host Fe(IO3)3: Connecting Stereo-active Lone-Pair Electron Effects to the Dzyaloshinskii-Moriya Interaction
Ebube E. Oyeka, Michal J. Winiarski, Artur Blachowski +3
Magnetic skyrmions, which are topologically distinct magnetic spin textures, are gaining increased attention for their unique physical properties and potential applications in spin…
MgPdSb -- the first Mg-based Heusler-type superconductor
Michal J. Winiarski, Gabriel Kuderowicz, Karolina Górnicka +5
We report the synthesis and physical properties of a full Heusler compound, MgPdSb, which we found to show superconductivity below = 2.2 K. MgPdSb was obtained by a t…