95 citations · 788 across the 25 of their papers we have counts for
25 papers
Local probe investigation of the spin dynamics in the kagome and inter-layers of orthorhombic barlowite Cu(OD)FBr: Br and Cu NQR study
Takashi Imai, Jiaming Wang, Rebecca W. Smaha +3
We report Br and Cu nuclear quadrupole resonance (NQR) in the paramagnetic state above K of the antiferromagnetic orthorhombic phase of barlowite Cu…
Emergence of the spin polarized domains in the kagome lattice Heisenberg antiferromagnet Zn-barlowite (ZnCu)Cu(OD)FBr
Weishi Yuan, Jiaming Wang, Philip M. Singer +4
Kagome lattice Heisenberg antiferromagnets are known to be highly sensitive to perturbations caused by structural disorder. NMR is a local probe ideally suited for investigating su…
Enhanced superconductivity by near-neighbor attraction in the doped Hubbard model
Cheng Peng, Yao Wang, Jiajia Wen +3
Recent experiment has unveiled an anomalously strong electron-electron attraction in one-dimensional copper-oxide chain BaSrCuO. While the near-neighbor electro…
Evidence of Magnon-Mediated Orbital Magnetism in a Quasi-2D Topological Magnon Insulator
Laith Alahmed, Xiaoqian Zhang, Jiajia Wen +13
We explore spin dynamics in Cu(1,3-bdc), a quasi-2D topological magnon insulator. The results show that the thermal evolution of Landé -factor () is anisotropic: $g_\textrm{i…
Emergence of spin singlets with inhomogeneous gaps in the kagome Heisenberg antiferromagnets Zn-barlowite and herbertsmithite
Jiaming Wang, Weishi Yuan, Philip M. Singer +5
The kagome Heisenberg antiferromagnet formed by frustrated spins arranged in a lattice of corner-sharing triangles is a prime candidate for hosting a quantum spin liquid (QSL) grou…
Cesium-involved electron transfer and electron-electron interaction in high-pressure metallic CsPbI3
Feng Ke, Jiejuan Yan, Shanyuan Niu +8
Electron-phonon coupling was believed to govern the carrier transport in halide perovskites and related phases. Here we demonstrate that electron-electron interaction plays a direc…
Freezing of the Lattice in the Kagome Lattice Heisenberg Antiferromagnet Zn-barlowite ZnCu(OD)FBr
Jiaming Wang, Weishi Yuan, Philip M. Singer +5
We use Br nuclear quadrupole resonance (NQR) to demonstrate that ultra slow lattice dynamics set in below the temperature scale set by the Cu-Cu super-exchange interaction $…
Field-tuned ferroquadrupolar quantum phase transition in the insulator TmVO
Pierre Massat, Jiajia Wen, Jack M. Jiang +7
We report results of low-temperature heat capacity, magnetocaloric effect and neutron diffraction measurements of TmVO, an insulator that undergoes a continuous ferroquadrupo…
High energy spin excitations in the quantum spin liquid candidate Zn-barlowite probed by resonant inelastic x-ray scattering
Rebecca W. Smaha, Jonathan Pelliciari, Ignace Jarrige +6
A quantum spin liquid is a novel ground state that can support long-range entanglement between magnetic moments, resulting in exotic spin excitations involving fractionalized $S=\f…
Tilted stripes origin in revealed by anisotropic next-nearest neighbor hopping
Wei He, Jiajia Wen, Hong-Chen Jiang +6
Spin- and charge- stripe order has been extensively studied in the superconducting cuprates, among which underdoped (LSCO)…
Site-Specific Structure at Multiple Length Scales in Kagome Quantum Spin Liquid Candidates
Rebecca W. Smaha, Idris Boukahil, Charles J. Titus +11
Realizing a quantum spin liquid (QSL) ground state in a real material is a leading issue in condensed matter physics research. In this pursuit, it is crucial to fully characterize…
Anomalous Hall and Nernst effects in epitaxial films of topological kagome magnet Fe3Sn2
Durga Khadka, T. R. Thapaliya, Sebastian Hurtado Parra +4
The topological kagome magnet (TKM) Fe3Sn2 exhibits unusual topological properties, flat electronic bands, and chiral spin textures, making it an exquisite materials platform to ex…
High quality epitaxial thin films and exchange bias of antiferromagnetic Dirac semimetal FeSn
Durga Khadka, T. R. Thapaliya, Jiajia Wen +2
FeSn is a topological semimetal (TSM) and kagome antiferromagnet (AFM) composed of alternating Fe3Sn kagome planes and honeycomb Sn planes. This unique structure gives rise to exot…
Kondo physics in antiferromagnetic Weyl semimetal Mn3+xSn1-x films
Durga Khadka, T. R. Thapaliya, Sebastian Hurtado Parra +9
Topology and strong electron correlations are crucial ingredients in emerging quantum materials, yet their intersection in experimental systems has been relatively limited to date.…
Impact of the lattice on magnetic properties and possible spin nematicity in the S=1 triangular antiferromagnet NiGaS
Michael E. Valentine, Tomoya Higo, Yusuke Nambu +5
NiGaS is a triangular lattice S=1 system with strong two-dimensionality of the lattice, actively discussed as a candidate to host spin-nematic order brought about by strong…
Evidence for a Parity Broken Monoclinic Ground State in the S = 1/2 Kagomé Antiferromagnet Herbertsmithite
N. J. Laurita, A. Ron, J. W. Han +9
Nearest-neighbor interacting S = 1/2 spins on the ideal Kagomé lattice are predicted to form a variety of novel quantum entangled states, including quantum spin-liquid (SL) and val…
Materializing Rival Ground States in the Barlowite Family of Kagome Magnets: Quantum Spin Liquid, Spin Ordered, and Valence Bond Crystal States
Rebecca W. Smaha, Wei He, Jack Mingde Jiang +13
The spin- kagome antiferromagnet is considered an ideal host for a quantum spin liquid ground state. We find that when the bonds of the kagome lattice are modulated wi…
Magnetic excitations of the classical spin liquid MgCr2O4
X. Bai, J. A. M. Paddison, E. Kapit +9
We report a comprehensive inelastic neutron-scattering study of the frustrated pyrochlore antiferromagnet MgCr2O4 in its cooperative paramagnetic regime. Theoretical modeling yield…
Observation of two types of charge density wave orders in superconducting LaSrCuO
J. -J. Wen, H. Huang, S. -J. Lee +9
The discovery of charge- and spin-density-wave (CDW/SDW) orders in superconducting cuprates has altered our perspective on the nature of high-temperature superconductivity (SC). Ho…
Synthesis-Dependent Properties of Barlowite and Zn-Substituted Barlowite
Rebecca W. Smaha, Wei He, John P. Sheckelton +2
The mineral barlowite, Cu(OH)FBr, has been the focus of recent attention due to the possibility of substituting the interlayer Cu site with non-magnetic ions to deve…
High pressure x-ray study of spin-Peierls physics in the quantum spin chain material TiOCl
Costel R. Rotundu, Jiajia Wen, Wei He +3
The application of pressure can induce transitions between unconventional quantum phases in correlated materials. The inorganic compound TiOCl, composed of chains of S=1/2 Ti ions,…
Topological Surface States and Superconductivity in [Tl](TlSn)Te Perovskites
K. E. Arpino, D. C. Wallace, Y. F. Nie +9
Materials with strong spin-orbit coupling have attracted attention following the prediction and subsequent discovery of strong two- and three-dimensional topological insulators in…
Charge density wave fluctuations, heavy electrons, and superconductivity in KNiS
James R. Neilson, Anna Llobet, Jiajia Wen +2
Understanding the complexities of electronic and magnetic ground states in solids is one of the main goals of solid-state physics. Materials with the canonical ThCrSi-type…
Microwave Spectroscopy Evidence of Superconducting Pairing in the Magnetic-Field-Induced Metallic State of InO Films at Zero Temperature
Wei Liu, LiDong Pan, Jiajia Wen +3
We investigate the field tuned quantum phase transition in a 2D low-disorder amorphous InO film in the frequency range of 0.05 to 16 GHz employing microwave spectroscopy. In th…