67 citations · 285 across the 19 of their papers we have counts for
20 papers
MoMaTune: Model, Match, Then Tune Language Models for Numerical Records
Weimin Lyu, Jingfen Zhang, Lingdao Sha +4
Despite remarkable progress in language understanding and generation, decoder language models continue to exhibit striking failures on numerical data. Numerical examples are typica…
Strain-tunability of the multipolar Berry curvature in altermagnet MnTe
Shane Smolenski, Ning Mao, Dechen Zhang +15
The anomalous Hall effect describes the generation of a transverse voltage by a longitudinal current even in the absence of an external magnetic field. While typically observed in…
Visualizing Electronic Structure of Twisted Bilayer MoTe2 in Devices
Cheng Chen, William Holtzmann, Xiao-Wei Zhang +12
The pursuit of emergent quantum phenomena lies at the forefront of modern condensed matter physics. A recent breakthrough in this arena is the discovery of the fractional quantum a…
Observation of mirror-odd and mirror-even spin texture in ultrathin epitaxially strained RuO2 films
Yichen Zhang, Seung Gyo Jeong, Luca Buiarelli +24
Recently, rutile ruthenium dioxide (RuO) has attracted renewed interest due to expectations of prominent altermagnetic spin splitting. However, accumulating experimental eviden…
Dichotomy of flat bands in the van der Waals ferromagnet FeGeTe
Han Wu, Jianwei Huang, Chaowei Hu +28
Quantum materials with bands of narrow bandwidth near the Fermi level represent a promising platform for exploring a diverse range of fascinating physical phenomena, as the high de…
Kramers nodal lines in intercalated TaS superconductors
Yichen Zhang, Yuxiang Gao, Aki Pulkkinen +24
Kramers degeneracy is one fundamental embodiment of the quantum mechanical nature of particles with half-integer spin under time reversal symmetry. Under the chiral and noncentrosy…
Topological Surface State Evolution in BiSe via Surface Etching
Ziqin Yue, Jianwei Huang, Ruohan Wang +10
Topological insulators are materials with an insulating bulk interior while maintaining gapless boundary states against back scattering. BiSe is a prototypical topological…
Revealing the Electronic Structure of van der Waals Antiferromagnetic NiPS through Synchrotron-Based -ARPES and Alkali Metal Dosing
Yifeng Cao, Qishuo Tan, Yucheng Guo +13
This study presents a comprehensive analysis of the band structure in NiPS, a van der Waals layered antiferromagnet, utilizing high-resolution synchrotron-based angle-resolved…
Spin Excitations and Flat Electronic Bands in a Cr-based Kagome Superconductor
Zehao Wang, Yucheng Guo, Hsiao Yu Huang +33
In the quest for topology- and correlation-driven quantum states, kagome lattice materials have garnered significant interest for their band structures, featuring flat bands (FBs)…
Tailoring Physical Properties of Crystals through Synthetic Temperature Control: A Case Study for new Polymorphic NbFeTe2 phases
Hanlin Wu, Sheng Li, Yan Lyu +11
Growth parameters play a significant role in the crystal quality and physical properties of layered materials. Here we present a case study on a van der Waals magnetic NbFeTe2 mate…
Two-Step Electronic Response to Magnetic Ordering in a van der Waals Ferromagnet
Han Wu, Jian-Xin Zhu, Lebing Chen +21
The two-dimensional (2D) material CrGeTe is a member of the class of insulating van der Waals magnets. Here, using high resolution angle-resolved photoemission spectros…
Reversible Non-Volatile Electronic Switching in a Near Room Temperature van der Waals Ferromagnet
Han Wu, Lei Chen, Paul Malinowski +37
The ability to reversibly toggle between two distinct states in a non-volatile method is important for information storage applications. Such devices have been realized for phase-c…
Spectral Evidence for Local-Moment Ferromagnetism in van der Waals Metals FeGaTe and FeGeTe
Han Wu, Chaowei Hu, Yaofeng Xie +26
Magnetism in two-dimensional (2D) materials has attracted considerable attention recently for both fundamental understanding of magnetism and their tunability towards device applic…
Observation of Flat Bands and Dirac Cones in a Pyrochlore Lattice Superconductor
Jianwei Huang, Chandan Setty, Liangzi Deng +21
Emergent phases often appear when the electronic kinetic energy is comparable to the Coulomb interactions. One approach to seek material systems as hosts of such emergent phases is…
Nanoscale visualization and spectral fingerprints of the charge order in ScV6Sn6 distinct from other kagome metals
Siyu Cheng, Zheng Ren, Hong Li +23
Charge density waves (CDWs) have been tied to a number of unusual phenomena in kagome metals, including rotation symmetry breaking, time-reversal symmetry breaking and superconduct…
Uniaxial ferromagnetism in the kagome metal TbVSn
Elliott Rosenberg, Jonathan M. DeStefano, Yucheng Guo +8
The synthesis and characterization of the vanadium-based kagome metal TbVSn is presented. X-ray measurements confirm this material forms with the same crystal structure…
Spectral Evidence for Unidirectional Charge Density Wave in Detwinned BaNiAs
Yucheng Guo, Mason Klemm, Ji Seop Oh +16
The emergence of unconventional superconductivity in proximity to intertwined electronic orders is especially relevant in the case of iron-based superconductors. Such order consist…
Complex structure due to As bonding and interplay with electronic structure in superconducting BaNi2As2
Bing-Hua Lei, Yucheng Guo, Yaofeng Xie +3
BaNi2As2 is a superconductor chemically related to the Fe-based superconductors, with a complex and poorly understood structural phase transition. We show based on first principles…
Room-Temperature Topological Phase Transition in Quasi-One-Dimensional Material BiI
Jianwei Huang, Sheng Li, Chiho Yoon +16
Quasi-one-dimensional (1D) materials provide a superior platform for characterizing and tuning topological phases for two reasons: i) existence for multiple cleavable surfaces that…
Orbital-collaborative Charge Density Wave in Monolayer VTe2
Qiucen Wu, Zhongjie Wang, Yucheng Guo +2
Charge density waves in transition metal dichalcogenides have been intensively studied for their close correlation with Mott insulator, charge-transfer insulator, and superconducto…