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Publications (30)

cond-mat.supr-con2021

Generic character of charge and spin density waves in superconducting cuprates

Sangjun Lee, Edwin W. Huang, Thomas A. Johnson +19

Understanding the nature of charge density waves (CDW) in cuprate superconductors has been complicated by material specific differences. A striking example is the opposite doping d…

physics.ins-det2024

Monte-Carlo ray-tracing studies of multiplexed prismatic graphite analyzers for the cold-neutron triple-axis spectrometer at the High Flux Isotope Reactor

Adit S. Desai, Travis J. Williams, Marcus Daum +4

A modern cold triple-axis spectrometer to study quantum condensed matter systems is planned for the High Flux Isotope Reactor (HFIR) at Oak Ridge National Laboratory. Here, we desc…

cond-mat.str-el2026

Vanishing ordered moment in the frustrated triangular lattice antiferromagnet CuNdO $_{2}$

Jonathan Gaudet, Dalmau Reig-i-Plessis, Bogeng Wen +9

We investigate the magnetic ground state of CuNdO $_{2}$ , which is a delafossite with a triangular lattice of magnetic Nd $^{3 +}$ ions that are well separated by non-magnetic Cu spacer…

cond-mat.mtrl-sci2023

Stripe Helical Magnetism and Two Regimes of Anomalous Hall Effect in NdAlGe

Hung-Yu Yang, Jonathan Gaudet, Rahul Verma +11

We report the magnetic and electronic transport properties of the inversion and time-reversal symmetry breaking Weyl semimetal NdAlGe. This material is analogous to NdAlSi, whose h…

physics.comp-ph2015

MCViNE -- An object oriented Monte Carlo neutron ray tracing simulation package

Jiao Y. Y. Lin, Hillary L. Smith, Garrett E. Granroth +6

MCViNE (Monte-Carlo VIrtual Neutron Experiment) is a versatile Monte Carlo (MC) neutron ray-tracing program that provides researchers with tools for performing computer modeling an…

cond-mat.mtrl-sci2019

Appearance of T $_{d}^{*}$ phase across the T $_{d}$ -1T $^{'}$ phase boundary in Weyl semimetal MoTe $_{2}$

Yu Tao, John A. Schneeloch, Chunruo Duan +6

Using elastic neutron scattering on single crystals of MoTe $_{2}$ and Mo $_{1 - x}$ W $_{x}$ Te $_{2}$ ( $x ≲ 0.01$ ), the temperature dependence of the recently discovered T$_{d}^{*…

cond-mat.str-el2026

Magnetoresistive Memory in the Paramagnetic Phase of Eu $_{5}$ In $_{2}$ As $_{6}$

Sudhaman R. Balguri, Mira B. Mahendru, Rourav Basak +9

Magnetoresistive materials that respond sensitively to applied fields are central to modern data storage technologies. Here we unveil a novel Magnetoresistive Memory (MRM) in Eu$_5…

cond-mat.mtrl-sci2020

Evolution of the structural transition in Mo $_{1 - x}$ W $_{x}$ Te $_{2}$

John A. Schneeloch, Yu Tao, Chunruo Duan +7

The composition dependence of the structural transition between the monoclinic 1T $^{'}$ and orthorhombic T $_{d}$ phases in the Mo $_{1 - x}$ W $_{x}$ Te $_{2}$ Weyl semimetal was inv…

cond-mat.str-el2026

Dynamical moment fragmentation in the all-in all-out pyrochlore Nd2Sn2O7

Yi Luo, Matthew S. Powell, Joseph A. M. Paddison +4

We report single-crystal neutron spectroscopy and bulk characterization on hydrothermally grown Nd2Sn2O7, revealing a dynamical moment fragmentation embedded within the all-in-all-…

cond-mat.mtrl-sci2020

T $_{d}$ to 1T $^{'}$ structural phase transition in WTe $_{2}$ Weyl semimetal

Yu Tao, John A. Schneeloch, Adam A. Aczel +1

Elastic neutron scattering on a single crystal and powder X-ray diffraction measurements were carried out to investigate how the crystal structure evolves as a function of temperat…

cond-mat.str-el2022

Field-induced quantum critical point in the new itinerant antiferromagnet Ti $_{3}$ Cu $_{4}$

Jaime M. Moya, Alannah M. Hallas, Vaideesh Loganathan +13

New phases of matter emerge at the edge of magnetic instabilities. In local moment systems, such as heavy fermions, the magnetism can be destabilized by pressure, chemical doping,…

cond-mat.mtrl-sci2020

Canted antiferromagnetic order in the monoaxial chiral magnets V $_{1/3}$ TaS $_{2}$ and V $_{1/3}$ NbS $_{2}$

Kannan Lu, Deepak Sapkota, Lisa DeBeer-Schmitt +6

The Dzyaloshinskii-Moriya (DM) interaction is present in the transition metal dichalcogenides (TMDC) magnets of form $M_{1/3} T$ S $_{2}$ ( $M$ $=$ 3d transition metal, $T$ $\in$ {Nb,…

cond-mat.str-el2024

Pulling order back from the brink of disorder: Observation of a nodal line spin liquid and fluctuation stabilized order in K $_{2}$ IrCl $_{6}$

Qiaochu Wang, Alberto de la Torre, Jose A. Rodriguez-Rivera +8

Competing interactions in frustrated magnets can give rise to highly degenerate ground states from which correlated liquid-like states of matter often emerge. The scaling of this d…

cond-mat.str-el2025

Universal dynamics of a pair condensate

Qing Huang, Hao Zhang, Yiqing Hao +10

Pair condensates appear in multiple branches of physics, always introducing exotic phenomena. The pair condensate in quantum magnetism is the spin nematic, whose static (quadrupola…

cond-mat.mtrl-sci2013

Phase diagram of a three-dimensional antiferromagnet with random magnetic anisotropy

Felio A. Perez, Pavel Borisov, Trent A. Johnson +5

Three-dimensional (3D) antiferromagnets with random magnetic anisotropy (RMA) experimentally studied to date do not have random single-ion anisotropies, but rather have competing t…

cond-mat.str-el2016

Spin-orbit coupling control of anisotropy, ground state and frustration in 5d2 Sr2MgOsO6

Ryan Morrow, Alice E. Taylor, D. J. Singh +10

The influence of spin-orbit coupling (SOC) on the physical properties of the 5d2 system Sr2MgOsO6 is probed via a combination of magnetometry, specific heat measurements, elastic a…

cond-mat.mtrl-sci2016

Incommensurate crystal supercell and polarization-flop observed in the magnetoelectric ilmenite, MnTiO3

Harlyn J. Silverstein, Elizabeth Skoropata, Paul M. Sarte +6

MnTiO3 has been studied for many decades, but it was only in the last few years that its strong magnetoelectric behavior had been observed. Here, we use neutron scattering on two s…

cond-mat.str-el2019

Field-induced double dome and Bose-Einstein condensation in the crossing quantum spin chain system AgVOAsO4

Franziska Weickert, Adam A. Aczel, Matthew B. Stone +11

We present inelastic neutron scattering data on the quantum paramagnet AgVOAsO4 that establish the system is a S=1/2 alternating spin chain compound and provide a direct measuremen…

cond-mat.str-el2024

Two types of colossal magnetoresistance with distinct mechanisms in Eu5In2As6

Sudhaman Balguri, Mira B. Mahendru, Enrique O. Gonzalez Delgado +8

Recent reports of colossal negative magnetoresistance (CMR) in a few magnetic semimetals and semiconductors have attracted attention, because these materials are devoid of the conv…

cond-mat.str-el2018

Spin Canting and Orbital Order in Spinel Vanadate Thin Films

Christie Thompson, Dalmau Reig-i-Plessis, Lazar Kish +5

We report on the epitaxial film growth and characterization of CoV $_{2}$ O $_{4}$ , a near-itinerant spinel vanadate, grown on (001) SrTiO $_{3}$ . The symmetry lowering of the unit cell from…

cond-mat.mtrl-sci2016

Weak coupling of pseudoacoustic phonons and magnon dynamics in incommensurate spin ladder compound Sr14Cu24O41

Xi Chen, Dipanshu Bansal, Sean Sullivan +5

Intriguing lattice dynamics has been predicted for aperiodic crystals that contain incommensurate substructures. Here we report inelastic neutron scattering measurements of phonon…

cond-mat.str-el2024

Helimagnetism in CrBr $_{2}$ and CrIBr

John A. Schneeloch, Adam A. Aczel, Despina Louca

In CrX $_{2}$ (X=Br, I), a Jahn-Teller effect distorts the octahedral configuration of the anions about Cr, resulting in a "ribbon chain" structure. We previously observed helimagneti…

cond-mat.str-el2015

Effect of Chemical Pressure on High Temperature Ferrimagnetic Double Perovskites Sr2CrOsO6 and Ca2CrOsO6

Ryan Morrow, Jennifer R. Soliz, Adam J. Hauser +7

The ordered double perovskites Sr2CrOsO6 and Ca2CrOsO6 have been synthesized and characterized with neutron powder diffraction, electrical transport measurements, and high field ma…

cond-mat.mtrl-sci2022

Topological spiral magnetism in the Weyl semimetal SmAlSi

Xiaohan Yao Jonathan Gaudet, Rahul Verma, David E. Graf +13

Weyl electrons are intensely studied due to novel charge transport phenomena such as chiral anomaly, Fermi arcs, and photogalvanic effect. Recent theoretical works suggest that Wey…

cond-mat.str-el2026

Disorder-induced proximate quantum spin ice phase in Pr2Sn2O7

Yi Luo, Brenden R. Ortiz, Miles J. Knudtson +9

Magnetic pyrochlores with non-Kramers rare-earth ions provide a platform for exploring emergent gauge physics and quantum spin-ice behavior, yet the influence of structural disorde…

cond-mat.str-el2020

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- $\frac{1}{2}$ 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…

cond-mat.mtrl-sci2026

Competing ferromagnetic and antiferromagnetic interactions in non-altermagnetic Ru $_{1 - x}$ Cr $_{x}$ O $_{2}$

David T. Plouff, Nawsher J. Parvez, Subhash Bhatt +4

We investigate the proposal of hole doping RuO $_{2}$ via alloying with Cr ions to induce altermagnetism. Thin film samples of Ru $_{1 - x}$ Cr $_{x}$ O $_{2}$ ( $0 \leq x \leq 0.28$ ) were…

cond-mat.mtrl-sci2024

Role of stacking defects on the magnetic behavior of CrCl $_{3}$

John A. Schneeloch, Adam A. Aczel, Feng Ye +1

In the study of van der Waals-layered magnetic materials, the properties of CrCl $_{3}$ continue to attract attention. This compound is reported to undergo antiferromagnetic (AFM) ord…

cond-mat.str-el2023

Revisiting spin ice physics in the ferromagnetic Ising pyrochlore Pr $_{2}$ Sn $_{2}$ O $_{7}$

Brenden R. Ortiz, Paul M. Sarte, Ganesh Pokharel +12

Pyrochlore materials are characterized by their hallmark network of corner-sharing rare-earth tetrahedra, which can produce a wide array of complex magnetic ground states. Ferromag…

cond-mat.str-el2025

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…

Publications (30)

Generic character of charge and spin density waves in superconducting cuprates

Monte-Carlo ray-tracing studies of multiplexed prismatic graphite analyzers for the cold-neutron triple-axis spectrometer at the High Flux Isotope Reactor

Vanishing ordered moment in the frustrated triangular lattice antiferromagnet CuNdO2​

Stripe Helical Magnetism and Two Regimes of Anomalous Hall Effect in NdAlGe

MCViNE -- An object oriented Monte Carlo neutron ray tracing simulation package

Appearance of Td∗​ phase across the Td​-1T′ phase boundary in Weyl semimetal MoTe2​

Magnetoresistive Memory in the Paramagnetic Phase of Eu5​In2​As6​

Evolution of the structural transition in Mo1−x​Wx​Te2​

Dynamical moment fragmentation in the all-in all-out pyrochlore Nd2Sn2O7

Td​ to 1T′ structural phase transition in WTe2​ Weyl semimetal

Field-induced quantum critical point in the new itinerant antiferromagnet Ti3​Cu4​

Canted antiferromagnetic order in the monoaxial chiral magnets V1/3​TaS2​ and V1/3​NbS2​

Pulling order back from the brink of disorder: Observation of a nodal line spin liquid and fluctuation stabilized order in K2​IrCl6​

Universal dynamics of a pair condensate

Phase diagram of a three-dimensional antiferromagnet with random magnetic anisotropy

Spin-orbit coupling control of anisotropy, ground state and frustration in 5d2 Sr2MgOsO6

Incommensurate crystal supercell and polarization-flop observed in the magnetoelectric ilmenite, MnTiO3

Field-induced double dome and Bose-Einstein condensation in the crossing quantum spin chain system AgVOAsO4

Two types of colossal magnetoresistance with distinct mechanisms in Eu5In2As6

Spin Canting and Orbital Order in Spinel Vanadate Thin Films

Weak coupling of pseudoacoustic phonons and magnon dynamics in incommensurate spin ladder compound Sr14Cu24O41

Helimagnetism in CrBr2​ and CrIBr

Effect of Chemical Pressure on High Temperature Ferrimagnetic Double Perovskites Sr2CrOsO6 and Ca2CrOsO6

Topological spiral magnetism in the Weyl semimetal SmAlSi

Disorder-induced proximate quantum spin ice phase in Pr2Sn2O7

Materializing Rival Ground States in the Barlowite Family of Kagome Magnets: Quantum Spin Liquid, Spin Ordered, and Valence Bond Crystal States

Competing ferromagnetic and antiferromagnetic interactions in non-altermagnetic Ru1−x​Crx​O2​

Role of stacking defects on the magnetic behavior of CrCl3​

Revisiting spin ice physics in the ferromagnetic Ising pyrochlore Pr2​Sn2​O7​

Pressure tuning of competing interactions on a honeycomb lattice

Vanishing ordered moment in the frustrated triangular lattice antiferromagnet CuNdO $_{2}$

Appearance of T $_{d}^{*}$ phase across the T $_{d}$ -1T $^{'}$ phase boundary in Weyl semimetal MoTe $_{2}$

Magnetoresistive Memory in the Paramagnetic Phase of Eu $_{5}$ In $_{2}$ As $_{6}$

Evolution of the structural transition in Mo $_{1 - x}$ W $_{x}$ Te $_{2}$

T $_{d}$ to 1T $^{'}$ structural phase transition in WTe $_{2}$ Weyl semimetal

Field-induced quantum critical point in the new itinerant antiferromagnet Ti $_{3}$ Cu $_{4}$

Canted antiferromagnetic order in the monoaxial chiral magnets V $_{1/3}$ TaS $_{2}$ and V $_{1/3}$ NbS $_{2}$

Pulling order back from the brink of disorder: Observation of a nodal line spin liquid and fluctuation stabilized order in K $_{2}$ IrCl $_{6}$

Helimagnetism in CrBr $_{2}$ and CrIBr

Competing ferromagnetic and antiferromagnetic interactions in non-altermagnetic Ru $_{1 - x}$ Cr $_{x}$ O $_{2}$

Role of stacking defects on the magnetic behavior of CrCl $_{3}$

Revisiting spin ice physics in the ferromagnetic Ising pyrochlore Pr $_{2}$ Sn $_{2}$ O $_{7}$