201 citations · 982 across the 27 of their papers we have counts for
27 papers
Nanoscale Imaging of Strain-Controlled Altermagnetic Domains in α-MnTe
Alex L. Melendez, Sijie Xu, Liangbo Liang +6
Altermagnets combine compensated magnetic order with momentum-dependent spin splitting, offering a route to spintronic functionality without the stray fields of conventional ferrom…
Imaging Strain-Localized Single-Photon Emitters in Layered GaSe below the Diffraction Limit
Weijun Luo, Benjamin Lawrie, Alexander Puretzky +6
Nanoscale strain control of exciton funneling is an increasingly critical tool for the scalable production of single photon emitters (SPEs) in two-dimensional materials. However, c…
Descriptor-Enabled Rational Design of High-Entropy Materials Over Vast Chemical Spaces
Dibyendu Dey, Liangbo Liang, Liping Yu
The practically unlimited high-dimensional composition space of high-entropy materials (HEMs) has emerged as an exciting platform for functional materials design and discovery. How…
Deterministic Localization of Strain-induced Single-photon Emitters in Multilayer GaSe
Weijun Luo, Alexander Puretzky, Benjamin Lawrie +7
Nanoscale strain has emerged as a powerful tool for controlling single-photon emitters (SPEs) in atomically thin transition metal dichalcogenides (TMDCs)(1, 2). However, quantum em…
Phonon Chirality Induced by Vibronic-Orbital Coupling
Yun-Yi Pai, Claire E. Marvinney, Liangbo Liang +12
The notion that phonons can carry pseudo-angular momentum has become popular in the last decade, with recent research efforts highlighting phonon chirality, Berry curvature of phon…
Low-frequency Raman signature of Ag-intercalated few-layer MoS
Natalya Sheremetyeva, Drake Niedzielski, Damien Tristant +4
Density functional theory based calculations and experimental analysis on a limited number of real samples are performed to study how the presence of silver intercalated in the van…
Nearly-Resonant Crystalline-Phononic Coupling in Quantum Spin Liquid Candidate CsYbSe
Yun-Yi Pai, Claire E. Marvinney, Liangbo Liang +10
CsYbSe, a recently identified quantum spin liquid (QSL) candidate, exhibits strong crystal electric field (CEF) excitations. Here, we identify phonon and CEF modes with Raman s…
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…
Nano-imaging of the edge-dependent optical polarization anisotropy of black phosphorus
Prakriti P. Joshi, Ruiyu Li, Joseph L. Spellberg +2
The electronic structure and functionality of 2D materials is highly sensitive to structural morphology, opening the possibility for manipulating material properties, but also maki…
Floquet band engineering and topological phase transitions in 1T' transition metal dichalcogenides
Xiangru Kong, Wei Luo, Linyang Li +3
Using ab initio tight-binding approaches, we investigate Floquet band engineering of the 1T' phase of transition metal dichalcogenides (MX2, M = W, Mo and X = Te, Se, S) monolayers…
Phonon modes and Raman signatures of MnBi2nTe3n+1 (n=1,2,3,4) magnetic topological heterostructures
Yujin Cho, Jin Ho Kang, Liangbo Liang +8
An intrinsic antiferromagnetic topological insulator can be realized by intercalating Mn-Te bilayer chain in a topological insulator, . $\m…
Vibrational Properties of a Naturally Occurring Semiconducting van der Waals heterostructure
V. Z. Costa, Liangbo Liang, Sam Vaziri +3
We present vibrational properties of Franckeite, which is a naturally occurring van der Waals heterostructure consisting of two different semiconducting layers. Franckeite is a com…
Magnetostriction of α-RuCl3 flakes in the zigzag phase
Yun-Yi Pai, Claire E. Marvinney, Matthew A. Feldman +7
Motivated by the possibility of an intermediate U(1) quantum spin liquid phase in out-of-plane magnetic fields and enhanced magnetic fluctuations in exfoliated α-RuCl3 flakes, we s…
Polytypism in Few-Layer Gallium Selenide
Soo Yeon Lim, Jae-Ung Lee, Jung Hwa Kim +6
Gallium selenide (GaSe) is one of layered group-III metal monochalcogenides, which has an indirect bandgap in monolayer and direct bandgap in bulk unlike other conventional transit…
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…
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…
The magnetic, electronic, and light-induced topological properties in two-dimensional hexagonal FeX2 (X = Cl, Br, I) monolayers
Xiangru Kong, Linyang Li, Liangbo Liang +2
Topological materials are fertile ground for investigating topological phases of matter and topological phase transitions. In particular, the quest for novel topological phases in…
Optimized substrates and measurement approaches for Raman spectroscopy of graphene nanoribbons
Jan Overbeck, Gabriela Borin Barin, Colin Daniels +13
The on-surface synthesis of graphene nanoribbons (GNRs) allows for the fabrication of atomically precise narrow GNRs. Despite their exceptional properties which can be tuned by rib…
Substrate transfer and ex situ characterization of on-surface synthesized graphene nanoribbons
Gabriela Borin Barin, Andrew Fairbrother, Lukas Rotach +13
Recent progress in the on-surface synthesis of graphene nanoribbons (GNRs) has given access to atomically precise narrow GNRs with tunable electronic band gaps that makes them exce…
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…
Distinct spin-lattice and spin-phonon interactions in monolayer magnetic CrI
Lucas Webster, Liangbo Liang, Jia-An Yan
We apply the density-functional theory to study various phases (including non-magnetic (NM), anti-ferromagnetic (AFM), and ferromagnetic (FM)) in monolayer magnetic chromium triiod…
High-temperature magnetostructural transition in van der Waals-layered a-MoCl3
Michael A. McGuire, Jiaqiang Yan, Paula Lampen-Kelley +9
The crystallographic and magnetic properties of the cleavable 4d3 transition metal compound a-MoCl3 are reported, with a focus on the behavior above room temperature. Crystals were…
Interlayer bond polarizability model for stacking-dependent low-frequency Raman scattering in layered materials
Liangbo Liang, Alexander A. Puretzky, Bobby G. Sumpter +1
Two-dimensional (2D) layered materials have been extensively studied owing to their fascinating and technologically relevant properties. Their functionalities can be often tailored…