956 citations · 1.6k across the 26 of their papers we have counts for
26 papers
Helical magnetic state in the vicinity of the pressure-induced superconducting phase in MnP
S. E. Dissanayake, M. Matsuda, K. Yoshimi +10
MnP is a metal that shows successive magnetic transitions from paramagnetic to ferromagnetic and helical magnetic phases at ambient pressure with decreasing temperature. With appli…
Stacking disorder in -RuCl via x-ray three-dimensional difference pair distribution function analysis
J. Sears, Y. Shen, M. J. Krogstad +10
The van der Waals layered magnet -RuCl offers tantalizing prospects for the realization of Majorana quasiparticles. Efforts to understand this are, however, hampered by inco…
Suspended dry pick-up and flip-over assembly for van der Waals heterostructures with ultra-clean surfaces
Keda Jin, Tobias Wichmann, Sabine Wenzel +10
Van der Waals heterostructures are an excellent platform for studying intriguing interface phenomena, such as moiré and proximity effects. Surface science techniques like scanning…
One-dimensional topological superconductivity in a van der Waals heterostructure
Jose Martinez-Castro, Tobias Wichmann, Keda Jin +8
One-dimensional (1D) topological superconductivity is a state of matter that is not found in nature. However, it can be realised, for example, by inducing superconductivity into th…
Dynamically tunable moiré Rydberg excitons in a monolayer semiconductor on twisted bilayer graphene
Minhao He, Jiaqi Cai, Huiyuan Zheng +8
Moiré excitons are emergent optical excitations in 2D semiconductors with deep moiré superlattice potentials. While these excitations have been realized in several platforms, a sys…
Atomic scale imaging of sign-changing order parameter in superconducting FeSe with Tunneling Andreev Reflection
Wonhee Ko, Sang Yong Song, Jiaqiang Yan +2
The pairing symmetry of the superconducting order parameter in iron-based superconductors has been a subject of debate, with various models proposing s-wave, d-wave, and mixed comb…
Stacking disorder and thermal transport properties of -RuCl
Heda Zhang, Michael A McGuire, Andrew F May +9
-RuCl, a well-known candidate material for Kitaev quantum spin liquid, is prone to stacking disorder due to the weak van der Waals bonding between the honeycomb layers. Afte…
Every-other-layer Dipolar Excitons in a Spin-Valley locked Superlattice
Yinong Zhang, Chengxin Xiao, Dmitry Ovchinnikov +7
Monolayer semiconducting transition metal dichalcogenides possess broken inversion symmetry and strong spin-orbit coupling, which leads to unique spin-valley locking effect. In 2H…
Superconductivity by alloying the topological insulator SnBi2Te4
Michael A. McGuire, Heda Zhang, Andrew F. May +7
Alloying indium into the topological insulator Sn1-xInxBi2Te4 induces bulk superconductivity with critical temperatures Tc up to 1.85 K and upper critical fields up to about 14 kOe…
Anomalous Second Harmonic Generation from Atomically Thin MnBi2Te4
Jordan Fonseca, Geoffrey M. Diederich, Dmitry Ovchinnikov +5
MnBi2Te4 is a van der Waals topological insulator with intrinsic intralayer ferromagnetic exchange and A-type antiferromagnetic interlayer coupling. Theoretically, it belongs to a…
Current-phase relation of a WTe2 Josephson junction
Martin Endres, Artem Kononov, Hasitha Suriya Arachchige +5
When a topological insulator is incorporated into a Josephson junction, the system is predicted to reveal the fractional Josephson effect with a 4-periodic current-phase relatio…
Discrete scale invariance of the quasi-bound states at atomic vacancies in a topological material
Zhibin Shao, Shaojian Li, Yanzhao Liu +10
Recently, log-periodic quantum oscillations have been detected in topological materials zirconium pentatelluride (ZrTe5) and hafnium pentatelluride (HfTe5), displaying intriguing d…
Role of Magnetic Defects and Defect-engineering of Magnetic Topological Insulators
Farhan Islam, Yongbin Lee, Daniel M. Pajerowski +5
Magnetic defects play an important, but poorly understood, role in magnetic topological insulators (TIs). For example, topological surface transport and bulk magnetic properties ar…
Anti-site defect-induced disorder in compensated topological magnet MnBiSbTe
Felix Lüpke, Marek Kolmer, Jiaqiang Yan +5
The gapped Dirac-like surface states of compensated magnetic topological insulator MnBiSbTe (MBST) are a promising host for exotic quantum phenomena such as the qua…
Intercell Moiré Exciton Complexes in Electron Lattices
Xi Wang, Xiaowei Zhang, Jiayi Zhu +12
Excitons, Coulomb-bound electron-hole pairs, play a fundamental role in both optical excitation and correlated phenomena in solids. When an exciton interacts with other quasi-parti…
Direct visualization of surface spin-flip transition in MnBi4Te7
Wenbo Ge, Jinwoong Kim, Ying-Ting Chan +3
We report direct visualization of spin-flip transition of the surface layer in antiferromagnet MnBi4Te7, a natural superlattice of alternating MnBi2Te4 and Bi2Te3 layers, using cry…
Visualizing the interplay of Dirac mass gap and magnetism at nanoscale in intrinsic magnetic topological insulators
Mengke Liu, Chao Lei, Hyunsue Kim +5
In intrinsic magnetic topological insulators, Dirac surface state gaps are prerequisites for quantum anomalous Hall and axion insulating states. Unambiguous experimental identifica…
Transparent Josephson Junctions in Higher-Order Topological Insulator WTe2 via Pd Diffusion
Martin Endres, Artem Kononov, Michael Stiefel +7
Highly transparent superconducting contacts to a topological insulator (TI) remain a persistent challenge on the route to engineer topological superconductivity. Recently, the high…
Light-Induced Ferromagnetism in Moiré Superlattices
Xi Wang, Chengxin Xiao, Heonjoon Park +9
Many-body interactions between carriers lie at the heart of correlated physics. The ability to tune such interactions would open the possibility to access and control complex elect…
The Role of the Third Dimension in Searching Majorana Fermions in -RuCl via Phonons
Sai Mu, Kiranmayi D. Dixit, Xiaoping Wang +12
Understanding phonons in -RuCl is critical to analyze the controversy around the observation of the half-integer thermal quantum Hall effect. While many studies have focused…
Direct measurement of ferroelectric polarization in a tunable semimetal
Sergio C. de la Barrera, Qingrui Cao, Yang Gao +7
Ferroelectricity, the electrostatic counterpart to ferromagnetism, has long been thought to be incompatible with metallicity due to screening of electric dipoles and external elect…
Quantum spin Hall edge states and interlayer coupling in twisted-bilayer WTe
Felix Lüpke, Dacen Waters, Anh D. Pham +4
The quantum spin Hall (QSH) effect, characterized by topologically protected spin-polarized edge states, was recently demonstrated in monolayers of the transition metal dichalcogen…
Graphene/-RuCl: An Emergent 2D Plasmonic Interface
Daniel J. Rizzo, Bjarke S. Jessen, Zhiyuan Sun +16
Work function-mediated charge transfer in graphene/-RuCl heterostructures has been proposed as a strategy for generating highly-doped 2D interfaces. In this geometry, graphe…
Log-periodic quantum magneto-oscillations and discrete scale invariance in topological material HfTe5
Huichao Wang, Yanzhao Liu, Yongjie Liu +13
Discrete scale invariance (DSI) is a phenomenon featuring intriguing log-periodicity which can be rarely observed in quantum systems. Here we report the log-periodic quantum oscill…