619 citations · 1.3k across the 20 of their papers we have counts for
20 papers
Interplay between Topological States and Rashba States as Manifested on Surface Steps at Room Temperature
Wonhee Ko, Seoung-Hun Kang, Jason Lapano +7
The unique spin texture of quantum states in topological materials underpins many proposed spintronic applications. However, realizations of such great potential are stymied by per…
Taming Atomic Defects for Quantum Functions
Saban M. Hus, An-Ping Li
Single atoms provide an ideal system for utilizing fundamental quantum functions. Their electrons have well-defined energy levels and spin properties. Even more importantly, for a…
Monolayer superconductivity and tunable topological electronic structure at the Fe(Te,Se)/Bi2Te3 interface
Robert G. Moore, Tyler Smith, Xiong Yao +6
The interface between two-dimensional topological Dirac states and an s-wave superconductor is expected to support Majorana bound states that can be used for quantum computing appl…
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…
Graphene nanoribbons for quantum electronics
Haomin Wang, Hui Shan Wang, Chuanxu Ma +6
Graphene nanoribbons (GNRs) are a family of one-dimensional (1D) materials carved from graphene lattice. GNRs possess high mobility and current carrying capability, sizable bandgap…
Identifying Majorana vortex modes via non-local transport
Björn Sbierski, Max Geier, An-Ping Li +3
The combination of two-dimensional Dirac surface states with s-wave superconductivity is expected to generate localized topological Majorana zero modes in vortex cores. Putative ex…
Van der Waals Epitaxy on Freestanding Monolayer Graphene Membrane by MBE
Jason Lapano, Ondrej Dyck, Andrew Lupini +8
Research on two-dimensional materials has expanded over the past two decades to become a central theme in condensed matter research today. Significant advances have been made in th…
Local manifestations of thickness dependent topology and axion edge state in topological magnet MnBiTe
Felix Lüpke, Anh D. Pham, Yi-Fan Zhao +9
The interplay of non-trivial band topology and magnetism gives rise to a series of exotic quantum phenomena, such as the emergent quantum anomalous Hall (QAH) effect and topologica…
Interlayer magnetism in Fe3-xGeTe2
Xiangru Kong, Giang D. Nguyen, Jinhwan Lee +7
FeGeTe is a layered van der Waals magnetic material with a relatively high ordering temperature and large anisotropy. While most studies have concluded the interlayer o…
Realizing gapped surface states in magnetic topological insulator MnBiSbTe
Wonhee Ko, Marek Kolmer, Jiaqiang Yan +7
The interplay between magnetism and non-trivial topology in magnetic topological insulators (MTI) is expected to give rise to a variety of exotic topological quantum phenomena, suc…
Single-defect Memristor in MoS Atomic-layer
Saban M. Hus, Ruijing Ge, Po-An Chen +7
Non-volatile resistive switching, also known as memristor effect in two terminal devices, has emerged as one of the most important components in the ongoing development of high-den…
Step edge-mediated assembly of periodic arrays of long graphene nanoribbons on Au(111)
Chuanxu Ma, Zhongcan Xiao, Wenchang Lu +4
The influence of substrate steps on the bottom-up synthesis of atomically precise graphene nanoribbons (GNRs) on an Au(111) surface is investigated. A straight surface step is foun…
Emerging edge states on the surface of the epitaxial semimetal CuMnAs thin film
Giang D. Nguyen, Krishna Pitike, Peter Wadley +4
Epitaxial thin films of CuMnAs have recently attracted attention due to their potential to host relativistic antiferromagnetic spintronics and exotic topological physics. Here we r…
An Air-Stable and Atomically Thin Graphene/Gallium Superconducting Heterostructure
Brian Bersch, Natalie Briggs, Yuanxi Wang +13
Two-dimensional layered and atomically thin elemental superconductors may be key ingredients in next-generation quantum technologies, if they can be stabilized and integrated into…
Confinement Heteroepitaxy: Realizing Atomically Thin, Half-van der Waals Materials
Natalie Briggs, Brian Bersch, Yuanxi Wang +16
Three-dimensional epitaxial heterostructures are based on covalently-bonded interfaces, whereas those from 2-dimensional (2D) materials exhibit van der Waals interactions. Under th…
Atomic-scale manipulation and in situ characterization with scanning tunneling microscopy
Wonhee Ko, Chuanxu Ma, Giang D. Nguyen +2
Scanning tunneling microscope (STM) has presented a revolutionary methodology to the nanoscience and nanotechnology. It enables imaging the topography of surfaces, mapping the dist…
Direct writing of heterostructures in single atomically precise graphene nanoribbons
Chuanxu Ma, Zhongcan Xiao, Jingsong Huang +6
Precision control of interfacial structures and electronic properties is the key to the realization of functional heterostructures. Here, utilizing the scanning tunneling microscop…
Design of Atomically Precise Nanoscale Negative Differential Resistance Devices
Zhongcan Xiao, Chuanxu Ma, Jingsong Huang +6
Down-scaling device dimensions to the nanometer range raises significant challenges to traditional device design, due to potential current leakage across nanoscale dimensions and t…
Friedel Oscillation-Induced Energy Gap Manifested as Transport Asymmetry at Monolayer-Bilayer Graphene Boundaries
Kendal W. Clark, X. -G. Zhang, Gong Gu +4
We show that Friedel charge oscillation near an interface opens a gap at the Fermi energy for electrons with wave vectors perpendicular to the interface. If the Friedel gaps on two…
Exceptional ballistic transport in epitaxial graphene nanoribbons
Jens Baringhaus, Ming Ruan, Frederik Edler +8
Graphene electronics has motivated much of graphene science for the past decade. A primary goal was to develop high mobility semiconducting graphene with a band gap that is large e…