718 citations · 1.6k across the 21 of their papers we have counts for
22 papers
Piezo-Hall effect in
San-Dong Guo, Shi-Hao Zhang, Feng-Ren Fan
The anomalous Hall effect (AHE) is of fundamental importance for understanding spin-orbit coupling and magnetic transport in magnetic materials. Meanwhile, strain can significantly…
Exciton-exciton Interaction in Monolayer MoSe from Mutual Screening of Coulomb Binding
Ke Xiao, Tengfei Yan, Chengxin Xiao +7
The potential for low-threshold optical nonlinearity has received significant attention in the fields of photonics and conceptual optical neuron networks. Excitons in two-dimension…
Orbital Chern Insulator at in Twisted MoTe
Feng-Ren Fan, Cong Xiao, Wang Yao
In twisted MoTe, latest transport measurement has reported observation of quantum anomalous Hall effect at hole filling , which undergoes a topological phase transition…
Signatures of Fractional Quantum Anomalous Hall States in Twisted MoTe2 Bilayer
Jiaqi Cai, Eric Anderson, Chong Wang +13
The interplay between spontaneous symmetry breaking and topology can result in exotic quantum states of matter. A celebrated example is the quantum anomalous Hall (QAH) state, whic…
Magneto-optical Kerr effect in ferroelectric antiferromagnetic two-dimensional heterostructures
Ning Ding, Kunihiro Yananose, Carlo Rizza +3
We study the magneto-optical Kerr effect (MOKE) of the two-dimensional heterostructure CrI3/In2Se3/CrI3 by using density functional theory calculations and symmetry analysis. The s…
Programming Correlated Magnetic States via Gate Controlled Moiré Geometry
Eric Anderson, Feng-Ren Fan, Jiaqi Cai +6
Understanding quantum many-body systems is at the heart of condensed matter physics. The ability to control the underlying lattice geometry of a system, and thus its many-body inte…
Reply to: Low-frequency quantum oscillations in LaRhIn: Dirac point or nodal line?
Chunyu Guo, A. Alexandradinata, Carsten Putzke +16
We thank G.P. Mikitik and Yu.V. Sharlai for contributing this note and the cordial exchange about it. First and foremost, we note that the aim of our paper is to report a methodolo…
Anomalous Bloch oscillation and electrical switching of edge magnetization in bilayer graphene nanoribbon
Tixuan Tan, Fengren Fan, Ci Li +1
Graphene features topological edge bands that connect the pair of Dirac points through either sectors of the 1D Brillouin zone depending on edge configurations (zigzag or bearded).…
Quasi-symmetry protected topology in a semi-metal
Chunyu Guo, Lunhui Hu, Carsten Putzke +10
The crystal symmetry of a material dictates the type of topological band structures it may host, and therefore symmetry is the guiding principle to find topological materials. Here…
Suppression of axionic charge density wave and onset of superconductivity in the chiral Weyl semimetal TaSeI
Qing-Ge Mu, Dennis Nenno, Yan-Peng Qi +7
A Weyl semimetal with strong electron-phonon interaction can show axionic coupling in its insulator state at low temperatures, owing to the formation of a charge density wave (CDW)…
Direct observation of handedness-dependent quasiparticle interference in the two enantiomers of topological chiral semimetal PdGa
Paolo Sessi, Feng-Ren Fan, Felix Küster +16
It has recently been proposed that combining chirality with topological band theory may result in a totally new class of fermions. These particles have distinct properties: they ap…
Temperature dependence of quantum oscillations from non-parabolic dispersions
Chunyu Guo, A. Alexandradinata, Carsten Putzke +16
The phase offset of quantum oscillations is commonly used to experimentally diagnose topologically non-trivial Fermi surfaces. This methodology, however, is inconclusive for spin-o…
VI3: a 2D Ising ferromagnet
Ke Yang, Fengren Fan, Hongbo Wang +2
Two-dimensional (2D) magnetic materials are of great current interest for their promising applications in spintronics. Here we propose the van der Waals (vdW) material VI3 to be a…
Strain-tunable van der Waals interactions in few-layer black phosphorus
Shenyang Huang, Guowei Zhang, Fengren Fan +6
Interlayer interactions in 2D materials, also known as van der Waals (vdWs) interactions, play a critical role in the physical properties of layered materials. It is fascinating to…
Pressure enhanced interplay among lattice, spin and charge in La2FeMnO6 mixed perovskite
Nana Li, Fengren Fan, Fei Sun +16
Spin crossover plays a central role in the structural instability, net magnetic moment modification, metallization, and even in superconductivity in corresponding materials. Most r…
Drastic enhancement of the Raman intensity in few-layer InSe by uniaxial strain
Chaoyu Song, Fengren Fan, Ningning Xuan +9
The vibrational and electronic properties of 2-dimensinal (2D) materials can be efficiently tuned by external strain due to their good stretchability. Resonant Raman spectroscopy i…
Pressure-tuning of the electrical-transport properties in the Weyl semimetal TaP
M. Besser, R. D. dos Reis, F. -R. Fan +5
We investigated the pressure evolution of the electrical transport in the almost compensated Weyl semimetal TaP. In addition, we obtained information on the modifications of the Fe…
Possible High TC Layered Ferromagnetic Insulator Sr2NiRuO4: An ab initio Study
Ke Yang, Feng-Ren Fan, Alessandro Stroppa +1
Magnetic insulators are often antiferromagnetic (AFM) and layered AFM compounds usually show low ordering temperature. On the other hand, layered ferromagnetic (FM) insulators with…
Largely tunable band structures of few-layer InSe by uniaxial strain
Chaoyu Song, Fengren Fan, Ningning Xuan +6
Due to the strong quantum confinement effect, few-layer γ-InSe exhibits a layer-dependent bandgap, spanning the visible and near infrared regions, and thus recently draws tremendou…
Giant magnetic anisotropy of Co, Ru, and Os adatoms on MgO (001) surface
Xuedong Ou, Hongbo Wang, Fengren Fan +2
Large magnetic anisotropy energy (MAE) is desirable and critical for nanoscale magnetic devices. Here, using ligand-field level diagrams and density functional calculations, we wel…
Long-range magnetic interaction and frustration in double perovskite SrNiIrO
Xuedong Ou, Zhengwei Li, Fengren Fan +2
SrNiIrO would be a ferromagnetic (FM) insulator in terms of the common superexchange mechanism between the first nearest neighboring (1NN) magnetic ions Ni ($t_{…
Rare case of magnetic Ag ion: double perovskite CsKAgF
Ting Jia, Xiaoli Zhang, Ting Liu +5
Normally or transition metals are in a low-spin state. Here using first-principles calculations, we report on a rare case of a high-spin =1 magnetic state for the Ag$^…