722 citations · 2.5k across the 29 of their papers we have counts for
29 papers
Electrical switching of ferro-rotational order in nano-thick 1T-TaS crystals
Gan Liu, Tianyu Qiu, Kuanyu He +13
Hysteretic switching of domain states is a salient character of all ferroic materials and the foundation for their multifunctional applications. Ferro-rotational order is emerging…
Enhanced low-energy magnetic excitations evidencing the Cu-induced localization in an Fe-based superconductor FeTeSe
Jinghui Wang, Song Bao, Yanyan Shangguan +11
We have performed inelastic neutron scattering measurements on optimally-doped FeTeSe and 10% Cu-doped FeCuTeSe to investi…
Spin-glass ground state in a triangular-lattice compound YbZnGaO
Zhen Ma, Jinghui Wang, Zhao-Yang Dong +19
We report on comprehensive results identifying the ground state of a triangular-lattice structured YbZnGaO to be spin glass, including no long-range magnetic order, prominent b…
Observation of topological superconductivity on the surface of an iron-based superconductor
Peng Zhang, Koichiro Yaji, Takahiro Hashimoto +8
Topological superconductors, whose edge hosts Majorana bound states or Majorana fermions that obey non-Abelian statistics, can be used for low-decoherence quantum computations. Mos…
Gapless Spin Excitations in the Field-Induced Quantum Spin Liquid Phase of alpha-RuCl3
Jiacheng Zheng, Kejing Ran, Tianrun Li +7
-RuCl is a leading candidate material for theobservation of physics related to the Kitaev quantum spin liquid (QSL). By combined susceptibility, specific-heat, and nuclear-m…
Direct Visualization of 2D Topological Insulator in Single-layer 1T'-WTe2
Zhen-Yu Jia, Ye-Heng Song, Xiang-Bing Li +9
We grow nearly freestanding single-layer 1T'-WTe2 on graphitized 6H-SiC(0001) by using molecular beam epitaxy (MBE), and characterize its electronic structure with scanning tunneli…
Real-space characterization of reactivity towards water at Bi2Te3(111) surface
Kai-Wen Zhang, Ding Ding, Chao-Long Yang +10
Surface reactivity is important in modifying the physical and chemical properties of surface sensitive materials, such as the topological insulators (TIs). Even though many studies…
Drive the Dirac Electrons into Cooper Pairs in SrxBi2Se3
Guan Du, Jifeng Shao, Xiong Yang +9
Topological superconductor is a very interesting and frontier topic in condensed matter physics1. Despite the tremendous efforts in exploring the topological superconductivity, its…
Thermal evolution of antiferromagnetic correlations and tetrahedral bond angles in superconducting FeTeSe
Zhijun Xu, J. A. Schneeloch, Jinsheng Wen +9
It has recently been demonstrated that dynamical magnetic correlations measured by neutron scattering in iron chalcogenides can be described with models of short-range correlations…
Substitution of Ni for Fe in superconducting FeTeSe depresses the normal-state conductivity but not the magnetic spectral weight
Jinghui Wang, Ruidan Zhong, Shichao Li +12
We have performed systematic resistivity and inelastic neutron scattering measurements on FeNiTeSe samples to study the impact of Ni substitution on…
Nanoscale interplay of strain and doping in a high-temperature superconductor
Ilija Zeljkovic, Jouko Nieminen, Dennis Huang +10
The highest temperature superconductors are electronically inhomogeneous at the nanoscale, suggesting the existence of a local variable which could be harnessed to enhance the supe…
Low energy magnetic excitations from the Fe(Ni/Cu)TeSe system
Zhijun Xu, Jinsheng Wen, J. Schneeloch +5
We report neutron scattering measurements on low energy (~meV) magnetic excitations from a series of Fe(Ni/Cu)TeSe samples which belong…
Measurement of the spectral line shapes for orbital excitations in the Mott insulator CoO using high-resolution resonant inelastic x-ray scattering
L. Andrew Wray, J. Li, Z. Q. Qiu +8
We establish the spectral line shape of orbital excitations created by resonant inelastic X-ray scattering for the model Mott insulator CoO. Improved experimental energy resolution…
Ubiquitous Interplay between Charge Ordering and High-Temperature Superconductivity in Cuprates
Eduardo H. da Silva Neto, Pegor Aynajian, Alex Frano +11
Besides superconductivity, copper-oxide high temperature superconductors are susceptible to other types of ordering. We use scanning tunneling microscopy and resonant elastic x-ray…
Enhanced low-energy magnetic excitations via suppression of the itinerancy in Fe0.98-zCuzTe0.5Se0.5
Jinsheng Wen, Shichao Li, Zhijun Xu +12
We have performed resistivity and inelastic neutron scattering measurements on three samples of Fe0.98-zCuzTe0.5Se0.5 with z = 0, 0.02, and 0.1. It is found that with increasing Cu…
Thermal evolution of the full three-dimensional magnetic excitations in the multiferroic BiFeO3
Zhijun Xu, Jinsheng Wen, Tom Berlijn +8
The idea of embedding and transmitting information within the fluctuations of the magnetic moments of spins (spin waves) has been recently proposed and experimentally tested. The c…
Freezing of the local dynamics in the relaxor ferroelectric PZN-4.5PT
Zhijun Xu, Jinsheng Wen, E. Mamontov +3
We report measurements of the neutron diffuse scattering in a single crystal of the relaxor ferroelectric material 95.5%Pb(Zn1/3Nb2/3)O3-4.5%PbTiO3 (PZN-4.5%PT). We show that the d…
Disentangling a quantum antiferromagnet with resonant inelastic X-ray scattering
L. Andrew Wray, Ignace Jarrige, Kazuhiko Ikeuchi +11
Low-dimensional copper oxide lattices naturally manifest electronic states with strong short range quantum entanglement, which are known to lead to remarkable emergent material pro…
Scattering from incipient stripe order in the high-temperature superconductor Bi2Sr2CaCu2O8+d
Eduardo H. da Silva Neto, Colin V. Parker, Pegor Aynajian +5
Recently we have used spectroscopic mapping with the scanning tunneling microscope to probe modulations of the electronic density of states in single crystals of the high temperatu…
Probing the connections between superconductivity, stripe order, and structure in La1.905Ba0.095Cu1-yZnyO4
Jinsheng Wen, Zhijun Xu, Guangyong Xu +11
The superconducting system La2-xBaxCuO4 is known to show a minimum in the transition temperature, Tc, at x = 1/8 where maximal stripe order is pinned by the anisotropy within the C…
STM imaging of symmetry-breaking structural distortion in the Bi-based cuprate superconductors
Ilija Zeljkovic, Elizabeth J. Main, Tess L. Williams +14
A complicating factor in unraveling the theory of high-temperature (high-Tc) superconductivity is the presence of a "pseudogap" in the density of states, whose origin has been deba…
Evidence for local moment magnetism in superconducting FeTe0.35Se0.65
Zhijun Xu, Jinsheng Wen, Guangyong Xu +4
The nature of the magnetic correlations in Fe-based superconductors remains a matter of controversy. To address this issue, we use inelastic neutron scattering to characterize the…
Phase Separation and Chemical Inhomogeneity in the Iron Chalcogenide Superconductor Fe1+yTexSe1-x
Hefei Hu, J. M. Zuo, J. S. Wen +6
We report investigation on Fe1+yTexSe1-x single crystals by using scanning transmission electron microscopy (STEM) and electron energy loss spectroscopy (EELS). Both nonsuperconduc…
Uniaxial linear resistivity of superconducting La(1.905)Ba(0.095)CuO(4) induced by an external magnetic field
Jinsheng Wen, Qing Jie, Qiang Li +9
We present an experimental study of the anisotropic resistivity of superconducting La(2-x)Ba(x)CuO(4) with x=0.095 and transition temperature Tc=32 K. In a magnetic field perpendic…