123 citations · 336 across the 18 of their papers we have counts for
18 papers
Giant critical current peak induced by pressure in kagome superconductor RbVSb
Lingfei Wang, Wenyan Wang, Tsz Fung Poon +11
Superconductivity can coexist or compete with other orders such as magnetism or density waves. Optimizing superconductivity requires identifying competing orders that may disrupt C…
Point-contact Andreev reflection spectroscopy of layered superconductors with device-integrated diamond anvil cells
Che-hsuan Ku, Omargeldi Atanov, King Yau Yip +9
Superconductors that can be mechanically exfoliated are an interesting platform for exploring superconducting properties tuned by layer thickness. These layered superconductors are…
Superconducting critical temperature and dimensionality tuning of RbVSb via biaxial strain
Tsz Fung Poon, King Yau Yip, Ying Kit Tsui +10
Kagome metal AVSb (A=K, Rb, Cs) has emerged as an intriguing platform for exploring the interplay between superconductivity and other quantum states. Among the three compou…
Magnetotransport evidence of a potential low-lying Dirac node in NbAl
Ying Kit Tsui, Chia-Nung Kuo, Makoto Shimizu +5
NbAl is a novel semimetal with a type-II Dirac node ~230 meV above the Fermi energy. We have performed both out-of-plane () and in-plane magnetotransport measurem…
Discovery of a new phase in thin flakes of KVSb under pressure
Zheyu Wang, Lingfei Wang, King Yau Yip +13
We report results of magnetotransport measurements on KVSb thin flakes under pressure. Our zero-field electrical resistance reveals an additional anomaly emerging under pre…
Quantum Phase Transition as a Promising Route to Enhance the Critical Current in Kagome Superconductor CsVSb
Wenyan Wang, Lingfei Wang, Xinyou Liu +8
Developing strategies to systematically increase the critical current, the threshold current below which the superconductivity exists, is an important goal of materials science. He…
Large Fermi surface in pristine kagome metal CsVSb and enhanced quasiparticle effective masses
Wei Zhang, Tsz Fung Poon, Chun Wai Tsang +11
The kagome metal CsVSb is an ideal platform to study the interplay between topology and electron correlation. To understand the fermiology of CsVSb, intensive quant…
Tunable non-Lifshitz-Kosevich temperature dependence of Shubnikov-de Haas oscillation amplitudes in SmSb
Wei Zhang, C. N. Kuo, S. T. Kuo +7
The Lifshitz-Kosevich (LK) theory is the pillar of magnetic quantum oscillations, which have been extensively applied to characterize a wide range of metallic states. In this study…
Current direction dependent magnetotransport in CuTe
Ying Kit Tsui, C. N. Kuo, C. E. Hsu +7
Despite being a layered, easily-exfoliated compound, copper monotelluride (CuTe) features an unusual quasi-one-dimensional charge density wave below K. With…
Similarities and Differences in the Fermiology of Kagome Metals AVSb (A=K, Rb, Cs) Revealed by Shubnikov-de Haas Oscillations
Zheyu Wang, Wei Zhang, Lingfei Wang +10
Materials with AVSb (A=K, Rb, Cs) stoichiometry are recently discovered kagome superconductors with the electronic structure featuring a Dirac band, van Hove singularities…
Nodeless superconductivity in kagome metal CsVSb with and without time reversal symmetry breaking
Wei Zhang, Xinyou Liu, Lingfei Wang +11
The kagome metal CsVSb features an unusual competition between the charge-density-wave (CDW) order and superconductivity. Evidence for time-reversal symmetry breaking (…
Probing the Evolution of Electron Spin Wavefunction of NV Center in diamond via Pressure Tuning
Kin On Ho, Man Yin Leung, P. Reddy +11
Understanding the profile of a qubit's wavefunction is key to its quantum applications. Unlike conducting systems, where a scanning tunneling microscope can be used to probe the el…
Anomalous Hall effect and two-dimensional Fermi surfaces in the charge-density-wave state of kagome metal RbVSb
Lingfei Wang, Wei Zhang, Zheyu Wang +9
AVSb (A=Cs, K, Rb) are recently discovered superconducting systems ( K) in which the vanadium atoms adopt the kagome structure. Intriguingly, these sy…
Peak in the critical current density in (CaSr)RhSn tuned towards the structural quantum critical point
Xinyou Liu, Wei Zhang, Kwing To Lai +4
(CaSr)RhSn is a rare system that has been shown to display an interesting interplay between structural quantum criticality and superconductivity. A put…
Fragile pressure-induced magnetism in FeSe superconductors with a thickness reduction
Jianyu Xie, Xinyou Liu, Wei Zhang +6
The emergence of high transition temperature () superconductivity in bulk FeSe under pressure is associated with the tuning of nematicity and magnetism. However, sorting out t…
Probing local pressure environment in anvil cells with nitrogen vacancy (NV-) centers in diamond
Kin On Ho, Man Yin Leung, Yaxin Jiang +7
Important discoveries have frequently been made through the studies of matter under high pressure. The conditions of the pressure environment are important for the interpretation o…
Quantum sensing of local magnetic field texture in strongly correlated electron systems under extreme conditions
King Yau Yip, Kin On Ho, King Yiu Yu +8
An important feature of strong correlated electron systems is the tunability between interesting ground states such as unconventional superconductivity and exotic magnetism. Pressu…
Evidence of a structural quantum critical point in (CaSr)RhSn from a lattice dynamics study
Y. W. Cheung, Y. J. Hu, M. Imai +11
Approaching a quantum critical point (QCP) has been an effective route to stabilize superconductivity. While the role of magnetic QCPs has been extensively discussed, similar explo…