693 citations · 2.8k across the 31 of their papers we have counts for
31 papers
Notes on remanent magnetization measurements in superconductors and hard ferromagnets
Sergey L. Bud'ko, Mingyu Xu, Weiwei Xie +3
Data on zero applied field measurements of remanent magnetization and magnetic relaxation in a BCS superconductor LuNi2B2C and several hard ferromagnets are presented and compared.…
An antiferromagnetic diode effect in even-layered MnBi2Te4
Anyuan Gao, Shao-Wen Chen, Barun Ghosh +26
In a PN junction, the separation between positive and negative charges leads to diode transport. In the past few years, the intrinsic diode transport in noncentrosymmetric polar co…
Single crystal growth, chemical defects, magnetic and transport properties of antiferromagnetic topological insulators (GeMn)BiTe (, )
Tiema Qian, Chaowei Hu, Jazmine C. Green +3
Magnetic topological insulators provide a platform for emergent phenomena arising from the interplay between magnetism and band topology. Here we report the single crystal growth,…
Fermiology and transport properties of the proposed topological crystalline insulator SrAg4Sb2
J Green, Eve Emmanouilidou, Harry W. T. Morgan +5
Compared to time-reversal symmetry-protected Z2 topological insulators and Dirac/Weyl semimetals, there are significantly fewer candidates for topological crystalline insulators. S…
Observation of Fractionally Quantized Anomalous Hall Effect
Heonjoon Park, Jiaqi Cai, Eric Anderson +17
The integer quantum anomalous Hall (QAH) effect is a lattice analog of the quantum Hall effect at zero magnetic field. This striking transport phenomenon occurs in electronic syste…
Quantum metric nonlinear Hall effect in a topological antiferromagnetic heterostructure
Anyuan Gao, Yu-Fei Liu, Jian-Xiang Qiu +28
Quantum geometry - the geometry of electron Bloch wavefunctions - is central to modern condensed matter physics. Due to the quantum nature, quantum geometry has two parts, the real…
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…
Axion optical induction of antiferromagnetic order
Jian-Xiang Qiu, Christian Tzschaschel, Junyeong Ahn +25
Using circularly-polarized light to control quantum matter is a highly intriguing topic in physics, chemistry and biology. Previous studies have demonstrated helicity-dependent opt…
Magnetic dilution effect and topological phase transitions in (MnPb)BiTe
Tiema Qian, Yueh-Ting Yao, Chaowei Hu +5
As the first intrinsic antiferromagnetic (AFM) topological insulator (TI), MnBiTe has provided a material platform to realize various emergent phenomena arising from the in…
Unconventional pressure-driven metamagnetic transitions in topological van der Waals magnets
Tiema Qian, Eve Emmanouilidou, Chaowei Hu +3
Activating metamagnetic transitions between ordered states in van der Waals magnets and devices bring great opportunities in spintronics. We show that external pressure, which enha…
Quantum Imaging of Magnetic Phase Transitions and Spin Fluctuations in Intrinsic Magnetic Topological Nanoflakes
Nathan J. McLaughlin, Chaowei Hu, Mengqi Huang +6
Topological materials featuring exotic band structures, unconventional current flow patterns, and emergent organizing principles offer attractive platforms for the development of n…
Growth, characterization and Chern insulator state in MnBiTe via the chemical vapor transport method
Chaowei Hu, Anyuan Gao, Bryan Stephen Berggren +7
As the first intrinsic antiferromagnetic topological insulator, MnBiTe has provided a platform to investigate the interplay of band topology and magnetism as well as the em…
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…
Layer Hall effect in a 2D topological Axion antiferromagnet
Anyuan Gao, Yu-Fei Liu, Chaowei Hu +33
While ferromagnets have been known and exploited for millennia, antiferromagnets (AFMs) were only discovered in the 1930s. The elusive nature indicates AFMs' unique properties: At…
Revealing the competition between charge-density wave and superconductivity in CsVSb through uniaxial strain
Tiema Qian, Morten H. Christensen, Chaowei Hu +5
In this paper we report the impact of uniaxial strain applied along the crystalline axis on the newly discovered kagome superconductor CsVSb. At ambient c…
Unusual dynamic susceptibility arising from soft ferromagnetic domains in MnBi8Te13 and Sb-doped MnBi2nTe3n+1 (n=2, 3)
Chaowei Hu, Makariy A. Tanatar, Ruslan Prozorov +1
MnBi2nTe3n+1(MBT) is the first intrinsic magnetic topological insulator and is promising to hostemergent phenomena such as quantum anomalous Hall effect. They can be made ferromagn…
Neutron diffraction study of magnetism in van der Waals layered MnBiTe
Lei Ding, Chaowei Hu, Erxi Feng +6
Two-dimensional van der Waals MnBiTe (n = 1, 2, 3, 4) compounds have been recently found to be intrinsic magnetic topological insulators rendering quantum anomalous…
Comprehensive Anisotropic Linear Optical Properties of Weyl Semimetals, TaAs and NbAs
Rui Zu, Mingqiang Gu, Lujin Min +5
TaAs and NbAs are two of the earliest identified Weyl semimetals that possess many intriguing optical properties, such as chirality-dependent optical excitations and giant second h…
Tuning the magnetism and band topology through antisite defects in Sb doped MnBi4Te7
Chaowei Hu, Shang-Wei Lien, Erxi Feng +6
The fine control of magnetism and electronic structure is crucial since the interplay between magnetism and band topology can lead to various novel magnetic topological states incl…
Pressure tuning of structural and magnetic transitions in EuAgAs
Sergey L. Bud'ko, Li Xiang, Chaowei Hu +3
We report temperature dependent measurements of ambient pressure specific heat, magnetic susceptibility, anisotropic resistivity and thermal expansion as well as in-plane resistivi…
Strongly Gapped Topological Surface States on Protected Surfaces of Antiferromagnetic MnBiTe and MnBiTe
Kyle N. Gordon, Hongyi Sun, Chaowei Hu +8
The search for materials to support the Quantum Anomalous Hall Effect (QAHE) have recently centered on intrinsic magnetic topological insulators (MTIs) including MnBiTe or…
Realization of an intrinsic, ferromagnetic topological state in MnBi8Te13
Chaowei Hu, Lei Ding, Kyle N. Gordon +18
The interplay between topology and magnetism is essential for realizing novel topological states including the axion insulator, the magnetic Weyl semimetal, etc. An intrinsically f…
Crystal and magnetic structures of magnetic topological insulators MnBiTe and MnBiTe
Lei Ding, Chaowei Hu, Feng Ye +3
Using single crystal neutron diffraction, we present a systematic investigation of the crystal structure and magnetism of van der Waals topological insulators MnBiTe and Mn…
Fragile 3D Order in VMoO
Matthew A. Davenport, Matthew J. Krogstad, Logan M. Whitt +6
The metal-to-insulator transition (MIT) in rutile VO has proven uniquely difficult to characterize because of the complex interplay between electron correlations and atomic str…