558 citations · 10.7k across the 113 of their papers we have counts for
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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…
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…
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…
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…
Photocurrent-driven transient symmetry breaking in the Weyl semimetal TaAs
N Sirica, P. P. Orth, M. S. Scheurer +23
Symmetry plays a central role in conventional and topological phases of matter, making the ability to optically drive symmetry change a critical step in developing future technolog…
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…
Gapless surface Dirac cone in antiferromagnetic topological insulator MnBiTe
Yu-Jie Hao, Pengfei Liu, Yue Feng +18
The recent discovered antiferromagnetic topological insulators in Mn-Bi-Te family with intrinsic magnetic ordering have rapidly drawn broad interest since its cleaved surface state…
A van der Waals antiferromagnetic topological insulator with weak interlayer magnetic coupling
Chaowei Hu, Xiaoqing Zhou, Pengfei Liu +11
Magnetic topological insulators (TI) provide an important material platform to explore quantum phenomena such as quantized anomalous Hall (QAH) effect and Majorana modes, etc. Thei…
Electronic Transport and quantum oscillation of Topological Semimetals
Jin Hu, Su-Yang Xu, Ni Ni +1
Three-dimensional (3D) topological semimetals represent a new class of topological matters. The study of this family of materials has been at the frontiers of condensed matter phys…
Non-trivial topology in a layered Dirac nodal-line semimetal candidate SrZnSb with distorted Sb square nets
Jinyu Liu, Pengfei Liu, Kyle Gordon +9
Dirac states hosted by Sb/Bi square nets are known to exist in the layered antiferromagnetic AMnX (A = Ca/Sr/Ba/Eu/Yb, X=Sb/Bi) material family the space group to be P4/nmm or…
Coexistence of Tunable Weyl Points and Topological Nodal Lines in Ternary Transition-Metal Telluride TaIrTe4
Xiaoqing Zhou, Qihang Liu, QuanSheng Wu +10
We report a combined theoretical and experimental study on TaIrTe4, a potential candidate of the minimal model of type-II Weyl semimetals. Unexpectedly, an intriguing node structur…
Magnetic order induces symmetry breaking in the single crystalline orthorhombic CuMnAs semimetal
Eve Emmanouilidou, Huibo Cao, Peizhe Tang +7
Recently, orthorhombic CuMnAs has been proposed to be a magnetic material where topological fermions exist around the Fermi level. Here we report the magnetic structure of the orth…
Topological surface electronic states in candidate nodal-line semimetal CaAgAs
Xiao-Bo Wang, Xiao-Ming Ma, Eve Emmanouilidou +10
We investigate systematically the bulk and surface electronic structure of the candidate nodal-line semimetal CaAgAs by angle resolved photoemission spectroscopy and density functi…
Imaging electronic states on topological semimetals using scanning tunneling microscopy
Andras Gyenis, Hiroyuki Inoue, Sangjun Jeon +12
Following the intense studies on topological insulators, significant efforts have recently been devoted to the search for gapless topological systems. These materials not only broa…
Effect of 3d-doping on the electronic structure of BaFe2As2
J. A. McLeod, A. Buling, R. J. Green +10
The electronic structure of BaFe2As2 doped with Co, Ni, and Cu has been studied by a variety of experimental and theoretical methods, but a clear picture of the dopant 3d states ha…
Bulk Intergrowth of a Topological Insulator with a Room Temperature Ferromagnet
Huiwen Ji, J. M. Allred, Ni Ni +6
We demonstrate that the layered room temperature ferromagnet Fe7Se8 and the topological insulator Bi2Se3 form crystallographically oriented bulk composite intergrowth crystals. The…
Anisotropic thermal expansion of AEFe2As2 (AE = Ba, Sr, Ca) single crystals
Sergey L. Bud'ko, Ni Ni, Paul C. Canfield
We report anisotropic thermal expansion of the parent, AEFe2As2 (AE = Ba, Sr, and Ca), compounds. Above the structural/antiferromagnetic phase transition anisotropy of the thermal…
Structural phase transition in Ba(Fe0.973Cr0.027)2As2 single crystals
S. L. Bud'ko, S. Nandi, N. Ni +6
We present thermodynamic, structural and transport measurements on Ba(Fe0.973Cr0.027)2As2 single crystals. All measurements reveal sharp anomalies at ~ 112 K. Single crystal x-ray…