318 citations · 7.3k across the 177 of their papers we have counts for
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Ferromagnetic quantum critical point in a locally noncentrosymmetric and nonsymmorphic Kondo metal
Soohyeon Shin, Aline Ramires, Vladimir Pomjakushin +2
Quantum critical points (QCPs), zero-temperature phase transitions, are windows to fundamental quantum-mechanical phenomena associated with universal behaviour and can provide para…
Charge fluctuations in the intermediate-valence ground state of SmCoIn
David W. Tam, Nicola Colonna, Neeraj Kumar +9
The microscopic mechanism of heavy band formation, relevant for unconventional superconductivity in CeCoIn and other Ce-based heavy fermion materials, depends strongly on the e…
Field-induced bound-state condensation and spin-nematic phase in SrCu(BO) revealed by neutron scattering up to 25.9 T
Ellen Fogh, Mithilesh Nayak, Oleksandr Prokhnenko +12
Bose-Einstein condensation (BEC) underpins exotic forms of order ranging from superconductivity to superfluid 4 He. In quantum magnetic materials, ordered phases induced by an appl…
Hidden magnetism uncovered in charge ordered bilayer kagome material ScV_6Sn_6
Z. Guguchia, D. J. Gawryluk, Soohyeon Shin +20
Charge ordered kagome lattices have been demonstrated to be intriguing platforms for studying the intertwining of topology, correlation, and magnetism. The recently discovered char…
Phonon promoted charge density wave in topological kagome metal ScVSn
Yong Hu, Junzhang Ma, Yinxiang Li +21
Charge density wave (CDW) orders in vanadium-based kagome metals have recently received tremendous attention due to their unique properties and intricate interplay with exotic corr…
Confirming the high pressure phase diagram of the Shastry-Sutherland model
Yuqing Ge, Daniel Andreica, Yasmine Sassa +6
A Muon Spin Rotation (+SR) study was conducted to investigate the magnetic properties of SrCu2(BO3)2 (SCBO) as a function of temperature/pressure. Measurements in zero field and…
Topological magnetic structures in MnGe: Neutron diffraction and symmetry analysis
V. Pomjakushin, I. Plokhikh, J. S. White +4
From new neutron powder diffraction experiments on the chiral cubic () magnet manganese germanide MnGe, we analyse all of the possible crystal symmetry-allowed magnetic su…
Role of Dy on the magnetic properties of orthorhombic DyFeO3
Banani Biswas, Veronica F. Michel, Oystein S. Fjellvag +12
Orthoferrites are a class of magnetic materials with a magnetic ordering temperature above 600 K, predominant G-type antiferromagnetic ordering of the Fe-spin system and, depending…
Competing magnetic phases in LnSbTe (Ln = Ho and Tb)
Igor Plokhikh, Vladimir Pomjakushin, Dariusz Jakub Gawryluk +2
The interplay between topological electronic structure and magnetism may result in intricate physics. In this work, we describe a case of rather peculiar coexistence or competition…
Cu-doping effects on the ferromagnetic semimetal CeAuGe
Soohyeon Shin, Vladimir Pomjakushin, Marek Bartkowiak +4
We present a study of Cu-substitution effects in 4f-Ce intermetallic compound CeAu1-xCuxGe, with potentially unusual electronic states, in the whole concentration range (x = 0.0 -…
Spin order and fluctuations in the EuAl and EuGa topological antiferromagnets: A SR study
X. Y. Zhu, H. Zhang, D. J. Gawryluk +12
We report on systematic muon-spin rotation and relaxation (SR) studies of the magnetic properties of EuAl and EuGa single crystals at a microscopic level. Transverse-fie…
Imbalanced spin couplings in the copper hexameter compounds A2Cu3O(SO4)3 (A2=Na2, NaK, K2)
A. Furrer, A. Podlesnyak, E. Pomjakushina +1
The minerals A2Cu3O(SO4)3 (A2=Na2, NaK, K2) constitute quantum spin systems with copper hexamers as basic structural units. Strong intra-hexamer spin couplings give rise to an effe…
Giant magnetoresistance and topological Hall effect in the EuGa4 antiferromagnet
H. Zhang, X. Y. Zhu, Y. Xu +8
We report on systematic temperature- and magnetic field-dependent studies of the EuGa binary compound, which crystallizes in a centrosymmetric tetragonal BaAl-type structur…
Isostructural Metal-Insulator Transition Driven by Dimensional-Crossover in SrIrO3 Heterostructures
Shuai Kong, Lei Li, Zengxing Lu +15
Dimensionality reduction induced metal-insulator transitions in oxide heterostructures are usually coupled with structural and magnetic phase transitions, which complicate the inte…
Revealing three-dimensional quantum criticality by Sr-substitution in Han Purple
Stephan Allenspach, Pascal Puphal, Joosep Link +20
Classical and quantum phase transitions (QPTs), with their accompanying concepts of criticality and universality, are a cornerstone of statistical thermodynamics. An exemplary cont…
Ultrafast Frustration-Breaking and Magnetophononic Driving of Singlet Excitations in a Quantum Magnet
Flavio Giorgianni, Björn Wehinger, Stephan Allenspach +6
Ideal magnetic frustration forms the basis for the emergence of exotic quantum spin states that are entirely nonmagnetic. Such singlet spin states are the defining feature of the S…
Anomalous Hall resistivity and possible topological Hall effect in the EuAl antiferromagnet
T. Shang, Y. Xu, D. J. Gawryluk +4
We report the observation of anomalous Hall resistivity in single crystals of EuAl, a centrosymmetric tetragonal compound, which exhibits coexisting antiferromagnetic (AFM) and…
Strain-engineering of the charge and spin-orbital interactions in Sr2IrO4
Eugenio Paris, Yi Tseng, Ekaterina M. Pärschke +16
In the high spin-orbit coupled Sr2IrO4, the high sensitivity of the ground state to the details of the local lattice structure shows a large potential for the manipulation of the f…
Magnetism and anomalous transport in the Weyl semimetal PrAlGe: Possible route to axial gauge fields
D. Destraz, L. Das, S. S. Tsirkin +10
In magnetic Weyl semimetals, where magnetism breaks time-reversal symmetry, large magnetically sensitive anomalous transport responses are anticipated that could be useful for topo…
Spin-Coupling Topology in the Copper Hexamer Compounds ACuO(SO) (A=Na, K)
A. Furrer, A. Podlesnyak, J. M. Clemente-Juan +2
The compounds ACuO(SO) (A=Na, K) are characterized by copper hexamers which are weakly coupled to realize antiferromagnetic order below TN=3 K. They constitute nove…
Observation of flat bands due to band hybridization in 3d-electron heavy-fermion compound CaCu3Ru4O12
Haijiang Liu, Yingying Cao, Yuanji Xu +7
We report angle-resolved photoemission spectroscopy and first-principles numerical calculations for the band structure evolution of the 3d heavy-fermion compound CaCu3Ru4O12. Below…
Topological Magnetic Phase in the Candidate Weyl Semimetal CeAlGe
P. Puphal, V. Pomjakushin, N. Kanazawa +9
We report the discovery of topological magnetism in the candidate magnetic Weyl semimetal CeAlGe. Using neutron scattering we find this system to host several incommensurate, squar…
Electron-Phonon-Driven Three-Dimensional Metallicity in an Insulating Cuprate
Edoardo Baldini, Michael A. Sentef, Swagata Acharya +9
The role of the crystal lattice for the electronic properties of cuprates and other high-temperature superconductors remains controversial despite decades of theoretical and experi…
Electronic Localization in CaVO3 Films via Bandwidth Control
Daniel E. McNally, Xingye Lu, Jonathan Pelliciari +11
Understanding and controlling the electronic structure of thin layers of quantum materials is a crucial first step towards designing heterostructures where new phases and phenomena…