Argonne National Laboratory

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692 papers · 1 filter

cond-mat.str-el2026

Signatures of symmetry-stabilized Dirac fermions in correlated oxide CaNbO3 thin films

Yunkyu Park, Seoung-Hun Kang, Jeongkeun Song +11

Symmetry-protected electronic states in correlated oxides offer a route to combining topology, lattice tunability, and many-body interactions, but creating such topological electro…

cond-mat.str-el2026

Room-temperature multistage metastability in a moiré superstructure

B. Q. Lv, Yifan Su, Alfred Zong +16

Metastability is fundamental not only to phase ordering and transitions, but also to a broad range of modern technologies, from memory devices to metallic glasses. In condensed-mat…

cond-mat.str-el2026★ 2 cited

Electronic layer decoupling driven by density-wave order in La $_{4}$ Ni $_{3}$ O $_{10}$

Ziqiang Guan, Sophia F. R. TenHuisen, M. Tepie +14

We probe the density-wave transition of the trilayer nickelate La $_{4}$ Ni $_{3}$ O $_{10}$ with polarization-resolved infrared spectroscopy. The low-energy electrodynamics is strongly ani…

cond-mat.str-el2026

Observation of correlated plasmons in low-valence nickelates

Y. Shen, W. He, J. Sears +13

The discovery of nickelate superconductors has opened a new arena for studying the behavior of correlated electron liquids that give rise to unconventional superconductivity. While…

cond-mat.str-el2025

Evidence for rare-region physics in the structural and electronic degrees of freedom of the nickelate La $_{2 - x}$ Sr $_{x}$ NiO $_{4}$

R. J. Spieker, B. Krohnke, D. Zhai +11

We present a diffuse neutron and x-ray scattering study of structural as well as spin- and charge-density-wave fluctuations in the electrical insulator La $_{2 - x}$ Sr $_{x}$ NiO $_{4}$ . Thi…

cond-mat.str-el2025

Evolution of charge-density-wave soft phonon modes in $Pd_{x} ErTe_{3}$

Avishek Maity, Stephan Rosenkranz, Raymond Osborn +8

We investigated the lattice dynamics of quasi-two-dimensional Pd-intercalated $ErTe_{3}$ in relation to its charge-density-wave (CDW) transitions by means of x-ray diffuse a…

cond-mat.str-el2025

Spatio-temporal migration of antiferromagnetic domain walls in Sr2IrO4

Ian Robinson, David Yang, Ross Harder +18

By laser pump-probe time-resolved coherent magnetic X-ray diffraction imaging, we have measured the migration velocity of antiferromagnetic domain walls in the Mott insulator Sr2Ir…

cond-mat.str-el2025★ 2 cited

Experimental confirmation of the magnetic ordering transition induced by an electronic structure change in the metallic triangular antiferromagnet Co $_{1/3}$ TaS $_{2}$

Han-Jin Noh, En-Jin Cho, Byeong-Gyu Park +6

We report ARPES studies combined with DFT+DMFT calculations to confirm that the magnetic ordering vector transition from \textbf{Q}=(1/2,0,0) to \textbf{Q}=(1/3,0,0) in the metalli…

cond-mat.str-el2025★ 1 cited

Spinon mediation of witness spin dynamics in herbertsmithite

Hiroto Takahashi, Jack Murphy, Mitikorn Wood-Thanan +12

The kagome lattice of spin-1/2 copper atoms in herbertsmithite is conjectured to sustain a quantum spin liquid state with spinon quasiparticles. Ideally, the kagome crystal planes…

cond-mat.str-el2025★ 2 cited

Strong long-wavelength electron-phonon coupling in Ta $_{2}$ Ni(Se,S) $_{5}$

Zhibo Kang, Burak Gurlek, Weichen Tang +9

The search for intrinsic excitonic insulators (EI) has long been confounded by coexisting electron-phonon coupling in bulk materials. Although the ground state of an EI may be diff…

cond-mat.str-el2025★ 1 cited

Electronic origin of delicate antiferromagnetism in Fe $_{x}$ NbS $_{2}$

Wenxin Li, Jonathan T. Reichanadter, Shan Wu +16

Among the family of intercalated transition-metal dichalcogenides (TMDs), Fe $_{x}$ NbS $_{2}$ is found to possess unique current-induced resistive switching behaviors, tunable antiferr…

cond-mat.str-el2025

Majorana edge modes in isolated wires

Jaden Thomas-Markarian, Jaden Thomas, Kartiek Agarwal +1

Topological superconductors are believed to host exotic quasiparticle excitations known as Majorana zero-modes (MZMs), with much of the evidence based on BCS mean-field theory. The…

cond-mat.str-el2025★ 1 cited

Bosonization and Kramers-Wannier dualities in general dimensions

Lei Su, Ivar Martin

It is well known that the noninteracting Majorana chain is dual to the one-dimensional transverse-field Ising model, either through the Jordan-Wigner transformation or by gauging f…

cond-mat.str-el2025★ 5 cited

Lattice-charge coupling in a trilayer nickelate with intertwined density wave order

Xun Jia, Yao Shen, Harrison LaBollita +16

Intertwined charge and spin correlations are ubiquitous in a wide range of transition metal oxides and are often perceived as intimately related to unconventional superconductivity…

cond-mat.str-el2025★ 7 cited

Landau theory of the density wave transition in trilayer Ruddlesden-Popper nickelates

M. R. Norman

This paper presents a Landau treatment of the incommensurate density wave transition observed in trilayer Ruddlesden-Popper nickelates and uses this to address the nature of the tr…

cond-mat.str-el2025★ 4 cited

Pressure tuning of competing interactions on a honeycomb lattice

Piyush Sakrikar, Bin Shen, Eduardo H. T. Poldi +20

Magnetic exchange interactions are mediated via orbital overlaps across chemical bonds. Thus, modifying the bond angles by physical pressure or strain can tune the relative strengt…

cond-mat.str-el2025★ 3 cited

Resonant inelastic X-ray scattering investigation of Hund's and spin-orbit coupling in $5 d^{2}$ double perovskites

Felix Ivo Frontini, Christopher J. S. Heath, Bo Yuan +8

B site ordered $5 d^{2}$ double perovskites ( $A_{2} B B^{'} O_{6}, B^{'} = 5 d^{2})$ display a remarkable range of physical properties upon variation of the chosen B and $B^{'}$ site io…

cond-mat.str-el2025★ 1 cited

Anomalous temperature-dependent magnetization in the nearly collinear antiferromagnet Y $_{2}$ Co $_{3}$

Yunshu Shi, Huibo Cao, Hung-Cheng Wu +17

Y $_{2}$ Co $_{3}$ is a newly discovered antiferromagnetic (AFM) compound with distorted kagome layers. Previous investigations via bulk magnetization measurements suggested a complex non…

cond-mat.str-el2025★ 5 cited

Charge-density-wave quantum critical point under pressure in 2 $H$ -TaSe $_{2}$

Yuliia Tymoshenko, Amir-Abbas Haghighirad, Rolf Heid +13

Suppressing of an ordered state that competes with superconductivity is one route to enhance superconducting transition temperatures. Whereas the effect of suppressing magnetic sta…

cond-mat.str-el2025★ 5 cited

In-plane anisotropy of charge density wave fluctuations in 1 $T$ -TiSe $_{2}$

Xuefei Guo, Anshul Kogar, Jans Henke +17

We report measurements of anisotropic triple- $q$ charge density wave (CDW) fluctuations in the transition metal dichalcogenide 1 $T$ -TiSe $_{2}$ over a large volume of reciprocal space…

cond-mat.str-el2025★ 4 cited

Interleaved bond frustration in a triangular lattice antiferromagnet

S. J. Gomez Alvarado, J. R. Chamorro, D. Rout +14

Frustration of long-range order via lattice geometries serves to amplify fluctuations of the order parameter and generate unconventional ground states that are highly sensitive to…

cond-mat.str-el2024★ 1 cited

Signatures of Floquet Engineering in the proximal Kitaev Quantum Spin Liquid H $_{3}$ LiIr $_{2}$ O $_{6}$ by tr-RIXS

Jungho Kim, Tae-Kyu Choi, Edward Mercer +17

We present the first circularly polarized Floquet engineering time-resolved Resonant Inelastic X-ray Scattering (tr-RIXS) experiment in H $_{3}$ LiIr $_{2}$ O $_{6}$ , an iridium-based Kitaev…

cond-mat.str-el2024

Large Kohn anomaly and phonon collapse induced by charge density wave in UPt $_{2}$ Si $_{2}$

Jooseop Lee, Greta L. Chappell, Ryan E. Baumbach +2

Using high-energy-resolution inelastic x-ray scattering, we observe anomalous softening and damping of the transverse acoustic phonon in UPt $_{2}$ Si $_{2}$ as the system is cooled towar…

cond-mat.str-el2024★ 2 cited

Magnetic excitations and absence of charge order in the van der Waals ferromagnet Fe $_{4.75}$ GeTe $_{2}$

V. K. Bhartiya, T. Kim, J. Li +12

Understanding the ground state of van der Waals (vdW) magnets is crucial for designing devices leveraging these platforms. Here, we investigate the magnetic excitations and charge…

Signatures of symmetry-stabilized Dirac fermions in correlated oxide CaNbO3 thin films

Room-temperature multistage metastability in a moiré superstructure

Electronic layer decoupling driven by density-wave order in La4​Ni3​O10​

Observation of correlated plasmons in low-valence nickelates

Evidence for rare-region physics in the structural and electronic degrees of freedom of the nickelate La2−x​Srx​NiO4​

Evolution of charge-density-wave soft phonon modes in Pdx​ErTe3​

Spatio-temporal migration of antiferromagnetic domain walls in Sr2IrO4

Experimental confirmation of the magnetic ordering transition induced by an electronic structure change in the metallic triangular antiferromagnet Co1/3​TaS2​

Spinon mediation of witness spin dynamics in herbertsmithite

Strong long-wavelength electron-phonon coupling in Ta2​Ni(Se,S)5​

Electronic origin of delicate antiferromagnetism in Fex​NbS2​

Majorana edge modes in isolated wires

Bosonization and Kramers-Wannier dualities in general dimensions

Lattice-charge coupling in a trilayer nickelate with intertwined density wave order

Landau theory of the density wave transition in trilayer Ruddlesden-Popper nickelates

Pressure tuning of competing interactions on a honeycomb lattice

Resonant inelastic X-ray scattering investigation of Hund's and spin-orbit coupling in 5d2 double perovskites

Anomalous temperature-dependent magnetization in the nearly collinear antiferromagnet Y2​Co3​

Charge-density-wave quantum critical point under pressure in 2H-TaSe2​

In-plane anisotropy of charge density wave fluctuations in 1T-TiSe2​

Interleaved bond frustration in a triangular lattice antiferromagnet

Signatures of Floquet Engineering in the proximal Kitaev Quantum Spin Liquid H3​LiIr2​O6​ by tr-RIXS

Large Kohn anomaly and phonon collapse induced by charge density wave in UPt2​Si2​

Magnetic excitations and absence of charge order in the van der Waals ferromagnet Fe4.75​GeTe2​

Electronic layer decoupling driven by density-wave order in La $_{4}$ Ni $_{3}$ O $_{10}$

Evidence for rare-region physics in the structural and electronic degrees of freedom of the nickelate La $_{2 - x}$ Sr $_{x}$ NiO $_{4}$

Evolution of charge-density-wave soft phonon modes in $Pd_{x} ErTe_{3}$

Experimental confirmation of the magnetic ordering transition induced by an electronic structure change in the metallic triangular antiferromagnet Co $_{1/3}$ TaS $_{2}$

Strong long-wavelength electron-phonon coupling in Ta $_{2}$ Ni(Se,S) $_{5}$

Electronic origin of delicate antiferromagnetism in Fe $_{x}$ NbS $_{2}$

Resonant inelastic X-ray scattering investigation of Hund's and spin-orbit coupling in $5 d^{2}$ double perovskites

Anomalous temperature-dependent magnetization in the nearly collinear antiferromagnet Y $_{2}$ Co $_{3}$

Charge-density-wave quantum critical point under pressure in 2 $H$ -TaSe $_{2}$

In-plane anisotropy of charge density wave fluctuations in 1 $T$ -TiSe $_{2}$

Signatures of Floquet Engineering in the proximal Kitaev Quantum Spin Liquid H $_{3}$ LiIr $_{2}$ O $_{6}$ by tr-RIXS

Large Kohn anomaly and phonon collapse induced by charge density wave in UPt $_{2}$ Si $_{2}$

Magnetic excitations and absence of charge order in the van der Waals ferromagnet Fe $_{4.75}$ GeTe $_{2}$