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Correlation between Complex Spin Textures and the Magnetocaloric and Hall Effects in Eu(Ga$_{1-x}$Al$_x$)$_4$ ($x$ = 0.9, 1)

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Pith's one-line read In Eu(Ga1-xAlx)4, neutron scattering shows that the square skyrmion lattice is best identified by the magnetocaloric effect, while the maximal topological Hall effect arises from a topologically trivial fan-like magnetic state.

desk verdict Solid new SANS data on the doped compound, but the central claim that maximal THE is a topologically trivial artifact leans on an unvalidated two-band Hall subtraction. read the letter →

arxiv 2501.05227 v1 pith:VODGNRCB submitted 2025-01-09 cond-mat.str-el cond-mat.mtrl-sci

Kelly J. Neubauer , Kevin Allen , Jaime M. Moya , Mason L. Klemm , Feng Ye , Zachary Morgan , Lisa DeBeer-Schmitt , Wei Tian
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Emilia Morosan Pengcheng Dai
This is my paper · ORCID
classification cond-mat.str-elcond-mat.mtrl-sci
keywords Eu(Ga1-xAlx)4squareskyrmionlatticetopologicalHalleffectmagnetocaloricneutronscatteringspinfluctuationscentrosymmetricmagnetH-Tphasediagram
verification ladder T0 review T1 audit T2 compute T3 formal

The pith

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The reading

This paper combines neutron scattering, Hall transport, and magnetization measurements to map the magnetic field-temperature phase diagram of Eu(Ga1-xAlx)4 for x = 0.9 and x = 1. It establishes that the square skyrmion lattice (sSkL), a spin texture with nonzero scalar spin chirality, is present in both compounds but occupies a small pocket of phase space near the magnetic ordering temperature. The largest topological Hall effect (THE) appears at low temperatures, far from this sSkL pocket, making the THE an unreliable marker for skyrmions in this family. The paper argues that the maximal THE comes from interactions of itinerant electrons with frustrated spin fluctuations in a topologically trivial fan-like magnetic state, and shows that the magnetocaloric effect (MCE) tracks the sSkL boundaries more accurately. The conclusion matters because it separates topological spin textures from a transport signature that is often treated as their fingerprint.

What carries the argument

The argument rests on comparing three probes on the same H-T phase diagram: small-angle neutron scattering (SANS), which locates the square skyrmion lattice by its Q1+Q2 satellite peak; Hall resistivity measurements with a multi-band subtraction that isolates the topological Hall contribution rho^T_xy; and magnetocaloric maps built from dM/dT, where Delta_SM(T,H) = integral_0^H (dM/dT)_H' dH'. The mismatch between the THE maximum and the sSkL region, together with the match between the MCE maximum and the sSkL boundaries, is the load-bearing evidence. The fan-like magnetic structure, refined from neutron diffraction, provides the topologically trivial state in which the maximal THE is argued to arise from spin fluctuations rather than scalar spin chirality.

What would settle it

Re-analyze the x = 0.9 Hall resistivity data with an alternative subtraction that does not assume a two-band model above 8 T; if the extracted rho^T_xy maximum moves into the sSkL pocket of the H-T diagram, the paper's central conclusion would be falsified.

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Extended reading notes

Core claim

The central discovery is a clear separation in H-T phase space between the square skyrmion lattice and the maximal topological Hall response in both EuAl4 and the 10% gallium-doped compound. Small-angle neutron scattering identifies the sSkL through its characteristic Q1+Q2 reflection near TN, while Hall measurements show the THE peaking at low temperatures, roughly twice as large, in a regime where neutron data reveal only a fan-like deformation of the zero-field screw helix. Because the fan structure has vanishing net scalar spin chirality, its large Hall response cannot be a conventional topological Hall effect; the authors attribute it to scattering of itinerant electrons off frustrated spin fluctuations. They then show that the strongest magnetocaloric signal, computed from magnetization via the Maxwell relation Delta_SM(T,H) = integral (dM/dT) dH, coincides with the sSkL phase boundaries. The paper's conclusion is that the sSkL phase is better identified by maximal MCE, while the maximal THE is a non-topological probe in this system.

Load-bearing premise

The argument that the maximal topological Hall effect sits outside the skyrmion region depends on the two-band model subtraction used to separate normal, anomalous, and topological Hall contributions in the x = 0.9 compound; if that subtraction is not unique, the location and magnitude of the maximal THE could be an artifact.

Editorial extensions

If this is right

  • In the Eu(Ga1-xAlx)4 family, a maximal topological Hall response should no longer be used as a fingerprint for a skyrmion lattice in transport-only studies.
  • The square skyrmion lattice in Eu(Ga1-xAlx)4 can be mapped reliably from magnetization data through the magnetocaloric effect, without requiring neutron scattering.
  • The low-temperature rhombic skyrmion and vortex lattice phases present in EuAl4 are absent in the 10% Ga-doped compound, so the topological phase diagram is highly sensitive to chemical substitution.
  • A modest topological Hall signal does coexist with the square skyrmion lattice, so the skyrmion chirality contributes to the Hall effect, but it is not the dominant contribution.

Reading between the lines

Editorial extensions of the paper, not claims the author makes directly.

  • The same probe-comparison approach could be applied to other centrosymmetric skyrmion hosts, such as Gd2PdSi3 or GdRu2Si2, to test whether their reported THE maxima actually coincide with the skyrmion phases.
  • If the low-temperature Hall response is truly driven by frustrated spin fluctuations, its magnitude should be sensitive to disorder and to the strength of magnetic frustration; controlled Ga doping or pressure studies could test this prediction.
  • Because the MCE is a bulk thermodynamic probe, it could be used to locate skyrmion phases in polycrystalline samples or thin films where SANS is impractical, extending the paper's method beyond single crystals.
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Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, and a circularity audit.

Referee Report

3 major / 4 minor

Summary. The paper reports a combined neutron scattering, magnetization, transport, and magnetocaloric-effect study of the centrosymmetric square-net compounds Eu(Ga1-xAlx)4 with x = 0.9 and x = 1, with H applied along the c-axis and in-plane. The authors use SANS to identify a square skyrmion lattice (sSkL) phase in the x = 0.9 compound at a high-temperature pocket near TN, and they compare its H-T location with the region of maximal topological Hall effect (THE) extracted from transport. They find that the maximal THE occurs at low temperatures in a state they identify as fan-like, well outside the sSkL pocket, and they argue that the magnetocaloric effect (MCE) boundaries, rather than the maximal THE, better mark the skyrmion-lattice phase. The central claim is that the maximal THE in this system is not a skyrmion signature but arises from itinerant-electron spin-fluctuation interactions in a topologically trivial magnetic state.

Significance. If the central claim holds, the paper provides an important counterexample to the common practice of using a maximal topological Hall response as a proxy for a skyrmion lattice in centrosymmetric magnets, and it promotes MCE as a complementary bulk probe for mapping skyrmion phase boundaries. The paper's strengths include a direct SANS identification of the sSkL peak in the doped compound, a thorough H-T phase diagram built from magnetization and neutron data, and a clean comparison of independent experimental probes (SANS, transport, bulk magnetization). The neutron refinement of the zero-field screw helix and the in-plane field phase diagram are solid contributions. However, the central interpretive conclusion depends on a Hall-subtraction procedure whose parameters are not reported and on an inferred low-temperature magnetic structure that is not directly refined.

major comments (3)
  1. [Section III.B and Appendix Fig. S2] The extraction of the topological Hall resistivity for x = 0.9 is not presented in a verifiable form. The supplement states that a two-band model is used for the high-field (H > 8 T) response, but it does not report the fitted carrier densities, mobilities, anomalous Hall coefficient, or the residuals of the fit. Moreover, the written equation Δρ_yx = ρ_yx − ρ_two-band − ρ_yx^AHE − ρ_yx^THE is not a well-defined extraction, because it subtracts the THE from the residual that is meant to define it. Since the central claim that the maximal THE at low temperature lies outside the sSkL region rests entirely on this subtraction, the authors should provide the fitted parameters, a plot of the residuals versus field at representative temperatures, and a sensitivity test (for example, varying the high-field fitting range) to demonstrate that the low-temperature maximum is not a subtraction artifact.
  2. [Section III.B and Fig. 4] The low-temperature, high-field magnetic state in x = 0.9 is labeled 'fan-like' based solely on the absence of extra SANS peaks and on the comparison with YMn6Sn6, without a direct magnetic-structure refinement. Absence of a skyrmion peak does not by itself establish zero scalar spin chirality, because a noncoplanar texture with zero net chirality, or a texture with too weak scattering to be observed, would also show no additional SANS peak. The conclusion that the maximal THE arises in a 'topologically trivial magnetic state' is therefore underdetermined. The authors should either refine the magnetic structure in this field/temperature region using the wide-angle CORELLI data already collected, or explicitly present the fan-like assignment as a hypothesis rather than a demonstrated result.
  3. [Fig. 1(d) and 1(f), Section III.B] The claim that the MCE 'better identifies' the sSkL phase is supported only by a visual overlap between the maximal entropy-change region and the SANS-determined sSkL boundaries. Since MCE is sensitive to all first-order phase transitions, not specifically to skyrmion formation, the evidence would be stronger with a quantitative comparison, for example overlaying the MCE maxima with the SANS sSkL boundaries and giving uncertainties. As written, the MCE result is a complementary indicator, but the phrase 'more accurately' overstates the quantitative support.
minor comments (4)
  1. [Introduction] There is a typographical error: 'oberseved' should be 'observed' in the sentence 'thus raising the issue concerning the microscopic origin of the oberseved THE'.
  2. [Section III.B and Appendix] The phase labels are inconsistent: the main text uses 'phase ii' (Roman lowercase) in Section III.B while Fig. 1 and the rest of the text use 'phases II and III' (Roman uppercase). Please standardize the phase nomenclature.
  3. [References] Reference [28] is incomplete; it lists only author names and a year. Please provide the full citation with journal, volume, and article number.
  4. [Appendix Fig. S2] The notation for the Hall contributions is confusing: the same symbol ρ_yx is used for the raw measured Hall resistivity and for its components, and the equation for Δρ_yx should be rewritten as a definition of the residual after subtracting the normal and anomalous contributions, without including the THE on the right-hand side.

Circularity Check

1 steps flagged · score 4.0 of 10

Partial circularity in the THE-extraction definition; the sSkL/MCE comparison retains independent content.

  1. self definitional [Appendix, Fig. S2 (topological Hall effect analysis for x = 0.9)]
    "Evaluating the THE in x = 0.9 is challenging due to the nonlinear field dependence above Hc, where the M is saturated. This composition requires a multiband description of the normal Hall effect to fully account for the normal, anomalous (AHE), and THE behavior. For this case, we note that in the high field region, H > 8 T, the hall resistivity magnetic field dependence becomes that of a two-band model. This enables a two-band model subtraction to extract the AHE and THE dependence following ∆𝜌𝑦𝑥 = 𝜌𝑦𝑥 − 𝜌𝑡𝑤𝑜−𝑏𝑎𝑛𝑑 − 𝜌𝑦𝑥𝐴𝐻𝐸 − 𝜌𝑦𝑥𝑇𝐻𝐸."

    The reported topological-Hall map is the quantity ρ_yx^T labeled in the main-text phase diagrams. As written, the extraction equation subtracts ρ_yx^THE from the residual that is supposed to define it, so the target appears as its own input. The equation is therefore self-definitional: the 'extracted' THE is not independently determined by the measurement but is partly presupposed by the definition. Because no fitted carrier densities, mobilities, AHE coefficient, or residuals are reported, the paper does not exhibit an independent reduction that could break the self-reference. This matters because the central claim that the maximal THE sits outside the sSkL region relies on this THE map.

full rationale

The sSkL phase is identified directly by SANS, and the MCE map comes from magnetization via the Maxwell relation; neither reduces to the fitted Hall parameters, so the central comparison has substantial independent content. However, the THE half of the comparison is anchored by the appendix's self-referential subtraction equation and by a self-citation (Ref. 35, overlapping authorship) for the x = 0.9 THE analysis. If the subtraction equation were taken literally, the THE map would be defined in terms of itself; if it is a typo, the manuscript still fails to report the fit parameters needed to verify that the low-temperature maximum is not a subtraction artifact. This is a partial circularity in the transport leg, not a full collapse of the derivation. Score 4 reflects one load-bearing self-definitional step while acknowledging the independent neutron and magnetocaloric evidence.

Assumptions & free parameters 2 free parameters · 3 assumptions · 0 invented entities

The central claims rest on standard thermodynamic relations, prior identification of skyrmion signatures, and modeling assumptions about the magnetic structure. No new physical entities are introduced. The main free parameters are the Hall-subtraction fits used to define rho_THE; their values are not reported, which is a reproducibility concern.

free parameters (2)
  • Two-band model parameters for normal Hall subtraction (x=0.9) = not reported
    Used in Fig. S2 to subtract normal and anomalous Hall contributions; the residual defines rho_THE. Values not given, so the central THE magnitude and location depend on this fit.
  • Polynomial background coefficients for Hall subtraction (x=1) = not reported
    Used in Fig. S3 to extract rho_THE in EuAl4; coefficients not specified, making the comparison for x=1 harder to reproduce.
assumptions (3)
  • domain assumption The zero-field screw helix transforms into a fan-like spin structure when a magnetic field is applied perpendicular to the helix axis (Ref. 47).
    Invoked in Section III.B to interpret the absence of new SANS peaks at low temperatures; central to the claim that the maximal THE sits in a topologically trivial state.
  • domain assumption The field-induced peak at Q1 + Q2 in SANS is a square skyrmion lattice with nonzero scalar spin chirality, as established for EuAl4 in Ref. 14.
    Used to identify the sSkL phase in x=0.9 without independent real-space imaging.
  • standard math The Maxwell relation DeltaS_M = integral (dM/dT)_H dH is valid for quasi-static magnetization data and captures latent heat at first-order transitions.
    Basis of the MCE phase diagrams in Fig. 6; standard thermodynamics but assumes equilibrium and no demagnetization corrections.

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Pith. "Pith review of Correlation between Complex Spin Textures and the Magnetocaloric and Hall Effects in Eu(Ga$_{1-x}$Al$_x$)$_4$ ($x$ = 0.9, 1)." pith.science (2026). https://pith.science/paper/VODGNRCB

@misc{pith2026250105227,
  author       = {Pith},
  title        = {Pith review of: Correlation between Complex Spin Textures and the Magnetocaloric and Hall Effects in Eu(Ga$_1-x$Al$_x$)$_4$ ($x$ = 0.9, 1)},
  year         = {2026},
  howpublished = {\url{https://pith.science/paper/VODGNRCB}},
  note         = {Machine review of arXiv:2501.05227}
}
abstract

Determining the electronic phase diagram of a quantum material as a function of temperature (T) and applied magnetic field (H) forms the basis for understanding the microscopic origin of transport properties, such as the anomalous Hall effect (AHE) and topological Hall effect (THE). For many magnetic quantum materials, including EuAl$_4$, a THE arises from a topologically protected magnetic skyrmion lattice with a non-zero scalar spin chirality. We identified a square skyrmion lattice (sSkL) peak in Eu(Ga$_{1-x}$Al$_x$)$_4$ ($x$ = 0.9) identical to the peak previously observed in EuAl$_4$ by performing neutron scattering measurements throughout the phase diagram. Comparing these neutron results with transport measurements, we found that in both compounds the maximal THE does not correspond to the sSkL area. Instead of the maximal THE, the maximal magnetocaloric effect (MCE) boundaries better identify the sSkL lattice phase observed by neutron scattering measurements. The maximal THE therefore arises from interactions of itinerant electrons with frustrated spin fluctuations in a topologically trivial magnetic state.

Figures

Figures reproduced from arXiv: 2501.05227 by the authors.

Figure 6
Figure 6. Eu(Ga1-xAlx)4 Magneto-caloric effect (MCE) analysis. (a-b) Moment vs temperature with magnetic field H||c for (a) x = 1 and (b) 0.9. The magnetic field was measured from 0.005-2 T with measurements every (b) 50 Oe to obtain a high density of data points for the MCE analysis. (c-d) Magnetic field-temperature (H-T) phase diagrams for (a) x = 1 and (b) 0.9. The contour maps correspond to dM/dT [PITH_FULL_IMAGE:figures… view at source ↗

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Reference graph

Works this paper leans on

56 extracted references · 56 canonical work pages

  1. [1]

    XVIII. On the “Rotational Coefficient

    E. H. Hall, "XVIII. On the “Rotational Coefficient” in nickel and cobalt " The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science 12, 157-172 (1881)

    work page

  2. [2]

    Large anomalous Hall effect in a non-collinear antiferromagnet at room temperature

    S. Nakatsuji, N. Kiyohara, T. Higo, "Large anomalous Hall effect in a non-collinear antiferromagnet at room temperature." Nature 527, 212-215 (2015)

    work page 2015

  3. [3]

    Anomalous Hall Effect Arising from Noncollinear Antiferromagnetism

    H. Chen, Q. Niu, A. H. MacDonald, "Anomalous Hall Effect Arising from Noncollinear Antiferromagnetism." Physical Review Letters 112, 017205 (2014)

    work page 2014

  4. [4]

    Anomalous Hall antiferromagnets

    L. Šmejkal, A. H. MacDonald, J. Sinova, S. Nakatsuji, T. Jungwirth, "Anomalous Hall antiferromagnets." Nature Reviews Materials 7, 482-496 (2022)

    work page 2022

  5. [5]

    Large Topological Hall Effect in a Short-Period Helimagnet MnGe

    N. Kanazawa, Y . Onose, T. Arima, D. Okuyama, K. Ohoyama, S. Wakimoto, K. Kakurai, S. Ishiwata, Y . Tokura, "Large Topological Hall Effect in a Short-Period Helimagnet MnGe." Physical Review Letters 106, 156603 (2011)

    work page 2011

  6. [6]

    Skyrmion phase and competing magnetic orders on a breathing kagomé lattice

    M. Hirschberger, T. Nakajima, S. Gao, L. Peng, A. Kikkawa, T. Kurumaji, M. Kriener, Y . Yamasaki, H. Sagayama, H. Nakao, K. Ohishi, K. Kakurai, Y . Taguchi, X. Yu, T.-h. Arima, Y . Tokura, "Skyrmion phase and competing magnetic orders on a breathing kagomé lattice." Nature Communications 10, 5831 (2019)

    work page 2019

  7. [7]

    Skyrmion lattice with a giant topological Hall effect in a frustrated triangular-lattice magnet

    T. Kurumaji, T. Nakajima, M. Hirschberger, A. Kikkawa, Y . Yamasaki, H. Sagayama, H. Nakao, Y . Taguchi, T.-h. Arima, Y . Tokura, "Skyrmion lattice with a giant topological Hall effect in a frustrated triangular-lattice magnet." Science 365, 914-918 (2019)

    work page 2019

  8. [8]

    Topological properties and dynamics of magnetic skyrmions

    N. Nagaosa, Y . Tokura, "Topological properties and dynamics of magnetic skyrmions." Nature Nanotechnology 8, 899-911 (2013)

    work page 2013

Show all 56 references
  1. [9]

    Magnetic skyrmions: advances in physics and potential applications

    A. Fert, N. Reyren, V . Cros, "Magnetic skyrmions: advances in physics and potential applications." Nature Reviews Materials 2, 17031 (2017)

    2017

  2. [10]

    Magnetic Skyrmion Materials

    Y . Tokura, N. Kanazawa, "Magnetic Skyrmion Materials." Chemical Reviews 121, 2857- 2897 (2021)

    2021

  3. [11]

    Physical foundations and basic properties of magnetic skyrmions

    A. N. Bogdanov, C. Panagopoulos, "Physical foundations and basic properties of magnetic skyrmions." Nature Reviews Physics 2, 492-498 (2020)

    2020

  4. [12]

    Topological Hall Effect in the $A$ Phase of MnSi

    A. Neubauer, C. Pfleiderer, B. Binz, A. Rosch, R. Ritz, P . G. Niklowitz, P . Böni, "Topological Hall Effect in the $A$ Phase of MnSi." Physical Review Letters 102, 186602 (2009)

    2009

  5. [13]

    Real-Space and Reciprocal-Space Berry Phases in the Hall Effect of ${\mathrm{Mn}}_{1\ensuremath{-}x}{\mathrm{Fe}}_{x}\mathrm{Si}$

    C. Franz, F. Freimuth, A. Bauer, R. Ritz, C. Schnarr, C. Duvinage, T. Adams, S. Blügel, A. Rosch, Y . Mokrousov, C. Pfleiderer, "Real-Space and Reciprocal-Space Berry Phases in the Hall Effect of ${\mathrm{Mn}}_{1\ensuremath{-}x}{\mathrm{Fe}}_{x}\mathrm{Si}$." Physical Review ...

    2014

  6. [14]

    Square and rhombic lattices of magnetic skyrmions in a centrosymmetric binary compound

    R. Takagi, N. Matsuyama, V . Ukleev, L. Yu, J. S. White, S. Francoual, J. R. L. Mardegan, S. Hayami, H. Saito, K. Kaneko, K. Ohishi, Y . Ōnuki, T.-h. Arima, Y . Tokura, T. Nakajima, S. Seki, "Square and rhombic lattices of magnetic skyrmions in a centrosymmetric binary compoun...

    2022

  7. [15]

    Dzyaloshinskii-Moriya Interaction and Hall Effects in the Skyrmion Phase of ${\mathrm{Mn}}_{1\ensuremath{-}x}{\mathrm{Fe}}_{x}\mathrm{Ge}$

    J. Gayles, F. Freimuth, T. Schena, G. Lani, P . Mavropoulos, R. A. Duine, S. Blügel, J. Sinova, Y . Mokrousov, "Dzyaloshinskii-Moriya Interaction and Hall Effects in the Skyrmion Phase of ${\mathrm{Mn}}_{1\ensuremath{-}x}{\mathrm{Fe}}_{x}\mathrm{Ge}$." Physical Review Letters ...

    2015

  8. [16]

    General theory of the topological Hall effect in systems with chiral spin textures

    K. S. Denisov, I. V . Rozhansky, N. S. Averkiev, E. Lähderanta, "General theory of the topological Hall effect in systems with chiral spin textures." Physical Review B 98, 195439 (2018)

    2018

  9. [17]

    Antiskyrmions and their electrical footprint in crystalline mesoscale structures of Mn1.4PtSn

    M. Winter, F. J. T. Goncalves, I. Soldatov, Y . He, B. E. Z. Céspedes, P . Milde, K. Lenz, S. Hamann, M. Uhlarz, P . Vir, M. König, P . J. W. Moll, R. Schlitz, S. T. B. Goennenwein, L. M. Eng, R. Schäfer, J. Wosnitza, C. Felser, J. Gayles, T. Helm, "Antiskyrmions and their ele...

    2022

  10. [18]

    Incommensurate magnetic orders and topological Hall effect in the square-net centrosymmetric ${\mathrm{EuGa}}_{2}{\mathrm{Al}}_{2}$ system

    J. M. Moya, S. Lei, E. M. Clements, C. S. Kengle, S. Sun, K. Allen, Q. Li, Y . Y . Peng, A. A. Husain, M. Mitrano, M. J. Krogstad, R. Osborn, A. B. Puthirath, S. Chi, L. Debeer-Schmitt, J. Gaudet, P . Abbamonte, J. W. Lynn, E. Morosan, "Incommensurate magnetic orders and topol...

    2022

  11. [19]

    Nanometric square skyrmion lattice in a centrosymmetric tetragonal magnet

    N. D. Khanh, T. Nakajima, X. Yu, S. Gao, K. Shibata, M. Hirschberger, Y . Yamasaki, H. Sagayama, H. Nakao, L. Peng, K. Nakajima, R. Takagi, T.-h. Arima, Y . Tokura, S. Seki, "Nanometric square skyrmion lattice in a centrosymmetric tetragonal magnet." Nature Nanotechnology 15, ...

    2020

  12. [20]

    Magnetic Interactions of the Centrosymmetric Skyrmion Material ${\mathrm{Gd}}_{2}{\mathrm{PdSi}}_{3}$

    J. A. M. Paddison, B. K. Rai, A. F. May, S. Calder, M. B. Stone, M. D. Frontzek, A. D. Christianson, "Magnetic Interactions of the Centrosymmetric Skyrmion Material ${\mathrm{Gd}}_{2}{\mathrm{PdSi}}_{3}$." Physical Review Letters 129, 137202 (2022)

    2022

  13. [21]

    Topological Nernst Effect of the Two-Dimensional Skyrmion Lattice

    M. Hirschberger, L. Spitz, T. Nomoto, T. Kurumaji, S. Gao, J. Masell, T. Nakajima, A. Kikkawa, Y . Yamasaki, H. Sagayama, H. Nakao, Y . Taguchi, R. Arita, T.-h. Arima, Y . Tokura, "Topological Nernst Effect of the Two-Dimensional Skyrmion Lattice." Physical Review Letters 125,...

    2020

  14. [22]

    Anisotropic skyrmion and multi-q spin dynamics in centrosymmetric Gd2PdSi3

    M. Gomilšek, T. J. Hicken, M. N. Wilson, K. J. A. Franke, B. M. Huddart, A. Štefančič, S. J. R. Holt, G. Balakrishnan, D. A. Mayoh, M. T. Birch, S. H. Moody, H. Luetkens, Z. Guguchia, M. T. F. Telling, P . J. Baker, S. J. Clark, T. Lancaster, "Anisotropic skyrmion and multi-q ...

    2023 arXiv

  15. [23]

    Field-induced topological Hall effect and double-fan spin structure with a c-axis component in the metallic kagome antiferromagnetic compound YMn6Sn6

    Q. Wang, K. J. Neubauer, C. Duan, Q. Yin, S. Fujitsu, H. Hosono, F. Ye, R. Zhang, S. Chi, K. Krycka, H. Lei, P . Dai, "Field-induced topological Hall effect and double-fan spin structure with a c-axis component in the metallic kagome antiferromagnetic compound YMn6Sn6." Physic...

    2021

  16. [24]

    Competing magnetic phases and fluctuation-driven scalar spin chirality in the kagome metal YMn6Sn6

    N. J. Ghimire, R. L. Dally, L. Poudel, D. C. Jones, D. Michel, N. T. Magar, M. Bleuel, M. A. McGuire, J. S. Jiang, J. F. Mitchell, J. W. Lynn, I. I. Mazin, "Competing magnetic phases and fluctuation-driven scalar spin chirality in the kagome metal YMn6Sn6." Science Advances 6,...

    2020

  17. [25]

    Chiral properties of the zero-field spiral state and field-induced magnetic phases of the itinerant kagome metal ${\mathrm{YMn}}_{6}{\mathrm{Sn}}_{6}$

    R. L. Dally, J. W. Lynn, N. J. Ghimire, D. Michel, P . Siegfried, I. I. Mazin, "Chiral properties of the zero-field spiral state and field-induced magnetic phases of the itinerant kagome metal ${\mathrm{YMn}}_{6}{\mathrm{Sn}}_{6}$." Physical Review B 103, 094413 (2021)

    2021

  18. [26]

    Metamagnetic multiband Hall effect in Ising antiferromagnet ErGa2

    T. Kurumaji, S. Fang, L. Ye, S. Kitou, J. G. Checkelsky, "Metamagnetic multiband Hall effect in Ising antiferromagnet ErGa2." Proceedings of the National Academy of Sciences 121, e2318411121 (2024)

    2024

  19. [27]

    Spontaneous Chirality Flipping in an Orthogonal Spin-Charge Ordered Topological Magnet

    H. Miao, J. Bouaziz, G. Fabbris, W. R. Meier, F. Z. Yang, H. X. Li, C. Nelson, E. Vescovo, S. Zhang, A. D. Christianson, H. N. Lee, Y . Zhang, C. D. Batista, S. Blügel, "Spontaneous Chirality Flipping in an Orthogonal Spin-Charge Ordered Topological Magnet." Physical Review X ...

    2024

  20. [28]

    Vibhakar, D

    A. Vibhakar, D. Khalyavin, F. Orlandi, J. Moya, S. Lei, E. Morosan, A. Bombardi, (2024)

    2024

  21. [29]

    Discovery of charge density wave in a kagome lattice antiferromagnet

    X. Teng, L. Chen, F. Ye, E. Rosenberg, Z. Liu, J.-X. Yin, Y .-X. Jiang, J. S. Oh, M. Z. Hasan, K. J. Neubauer, B. Gao, Y . Xie, M. Hashimoto, D. Lu, C. Jozwiak, A. Bostwick, E. Rotenberg, R. J. Birgeneau, J.-H. Chu, M. Yi, P . Dai, "Discovery of charge density wave in a kagome...

    2022

  22. [30]

    Charge-Density-Wave Order and Multiple Magnetic Transitions in Divalent Europium Compound EuAl4

    K. Kaneko, T. Kawasaki, A. Nakamura, K. Munakata, A. Nakao, T. Hanashima, R. Kiyanagi, T. Ohhara, M. Hedo, T. Nakama, Y . Ōnuki, "Charge-Density-Wave Order and Multiple Magnetic Transitions in Divalent Europium Compound EuAl4." Journal of the Physical Society of Japan 90, 0647...

    2021

  23. [31]

    Anomalous Hall resistivity and possible topological Hall effect in the ${\mathrm{EuAl}}_{4}$ antiferromagnet

    T. Shang, Y . Xu, D. J. Gawryluk, J. Z. Ma, T. Shiroka, M. Shi, E. Pomjakushina, "Anomalous Hall resistivity and possible topological Hall effect in the ${\mathrm{EuAl}}_{4}$ antiferromagnet." Physical Review B 103, L020405 (2021)

    2021

  24. [32]

    Transport and Magnetic Properties of EuAl4 and EuGa4

    A. Nakamura, T. Uejo, F. Honda, T. Takeuchi, H. Harima, E. Yamamoto, Y . Haga, K. Matsubayashi, Y . Uwatoko, M. Hedo, T. Nakama, Y . Ōnuki, "Transport and Magnetic Properties of EuAl4 and EuGa4." Journal of the Physical Society of Japan 84, 124711 (2015)

    2015

  25. [33]

    Weyl nodal ring states and Landau quantization with very large magnetoresistance in square-net magnet EuGa4

    S. Lei, K. Allen, J. Huang, J. M. Moya, T. C. Wu, B. Casas, Y . Zhang, J. S. Oh, M. Hashimoto, D. Lu, J. Denlinger, C. Jozwiak, A. Bostwick, E. Rotenberg, L. Balicas, R. Birgeneau, M. S. Foster, M. Yi, Y . Sun, E. Morosan, "Weyl nodal ring states and Landau quantization with v...

    2023

  26. [34]

    Single crystal growth, and magnetic and electronic properties of EuGa4

    S. Bobev, E. D. Bauer, J. D. Thompson, J. L. Sarrao, "Single crystal growth, and magnetic and electronic properties of EuGa4." Journal of Magnetism and Magnetic Materials 277, 236-243 (2004)

    2004

  27. [35]

    Real-space and reciprocal-space topology in the ${{\mathrm{Eu}(\mathrm{Ga}}_{1\ensuremath{- }x}{\mathrm{Al}}_{x})}_{4}$ square net system

    J. M. Moya, J. Huang, S. Lei, K. Allen, Y . Gao, Y . Sun, M. Yi, E. Morosan, "Real-space and reciprocal-space topology in the ${{\mathrm{Eu}(\mathrm{Ga}}_{1\ensuremath{- }x}{\mathrm{Al}}_{x})}_{4}$ square net system." Physical Review B 108, 064436 (2023)

    2023

  28. [36]

    Charge density wave behavior and order-disorder in the antiferromagnetic metallic series $\mathrm{Eu}({\mathrm{Ga}}_{1\ensuremath{- }x}{\mathrm{Al}}_{x}{)}_{4}$

    M. Stavinoha, J. A. Cooley, S. G. Minasian, T. M. McQueen, S. M. Kauzlarich, C. L. Huang, E. Morosan, "Charge density wave behavior and order-disorder in the antiferromagnetic metallic series $\mathrm{Eu}({\mathrm{Ga}}_{1\ensuremath{- }x}{\mathrm{Al}}_{x}{)}_{4}$." Physical Re...

    2018

  29. [37]

    Magnetoentropic signatures of skyrmionic phase behavior in FeGe

    J. D. Bocarsly, R. F. Need, R. Seshadri, S. D. Wilson, "Magnetoentropic signatures of skyrmionic phase behavior in FeGe." Physical Review B 97, 100404 (2018)

    2018

  30. [38]

    F. Ye, Y . Liu, R. Whitfield, R. Osborn, S. Rosenkranz, "Implementation of cross correlation for energy discrimination on the time-of-flight spectrometer CORELLIThis article will form part of a virtual special issue on advanced neutron scattering instrumentation, marking the 5...

    2018

  31. [39]

    W. T. Heller, M. Cuneo, L. Debeer-Schmitt, C. Do, L. He, L. Heroux, K. Littrell, S. V . Pingali, S. Qian, C. Stanley, V . S. Urban, B. Wu, W. Bras, "The suite of small-angle neutron scattering instruments at Oak Ridge National LaboratoryThis article will form part of a virtual...

    2018

  32. [40]

    Mantid—Data analysis and visualization package for neutron scattering and μ SR experiments

    O. Arnold, J. C. Bilheux, J. M. Borreguero, A. Buts, S. I. Campbell, L. Chapon, M. Doucet, N. Draper, R. Ferraz Leal, M. A. Gigg, V . E. Lynch, A. Markvardsen, D. J. Mikkelson, R. L. Mikkelson, R. Miller, K. Palmen, P . Parker, G. Passos, T. G. Perring, P . F. Peterson, S. Ren...

    2014

  33. [41]

    Crystallographic Computing System JANA2006: General features

    V . Petříček, M. Dušek, L. Palatinus, "Crystallographic Computing System JANA2006: General features." Zeitschrift für Kristallographie - Crystalline Materials 229, 345-352 (2014)

    2014

  34. [42]

    Recent advances in magnetic structure determination by neutron powder diffraction

    J. Rodríguez-Carvajal, "Recent advances in magnetic structure determination by neutron powder diffraction." Physica B: Condensed Matter 192, 55-69 (1993)

    1993

  35. [43]

    Thermodynamic insights into the intricate magnetic phase diagram of ${\mathrm{EuAl}}_{4}$

    W. R. Meier, J. R. Torres, R. P . Hermann, J. Zhao, B. Lavina, B. C. Sales, A. F. May, "Thermodynamic insights into the intricate magnetic phase diagram of ${\mathrm{EuAl}}_{4}$." Physical Review B 106, 094421 (2022)

    2022

  36. [44]

    Rhombic skyrmion lattice coupled with orthorhombic structural distortion in ${\mathrm{EuAl}}_{4}$

    M. Gen, R. Takagi, Y . Watanabe, S. Kitou, H. Sagayama, N. Matsuyama, Y . Kohama, A. Ikeda, Y . Ōnuki, T. Kurumaji, T.-h. Arima, S. Seki, "Rhombic skyrmion lattice coupled with orthorhombic structural distortion in ${\mathrm{EuAl}}_{4}$." Physical Review B 107, L020410 (2023)

    2023

  37. [45]

    Lattice Modulation and Structural Phase Transition in the Antiferromagnet EuAl4

    S. Shimomura, H. Murao, S. Tsutsui, H. Nakao, A. Nakamura, M. Hedo, T. Nakama, Y . Ōnuki, "Lattice Modulation and Structural Phase Transition in the Antiferromagnet EuAl4." Journal of the Physical Society of Japan 88, 014602 (2018)

    2018

  38. [46]

    Phonon softening and atomic modulations in ${\mathrm{EuAl}}_{4}$

    A. N. Korshunov, A. S. Sukhanov, S. Gebel, M. S. Pavlovskii, N. D. Andriushin, Y . Gao, J. M. Moya, E. Morosan, M. C. Rahn, "Phonon softening and atomic modulations in ${\mathrm{EuAl}}_{4}$." Physical Review B 110, 045102 (2024)

    2024

  39. [47]

    Magnetic structure and magnetization of helical antiferromagnets in high magnetic fields perpendicular to the helix axis at zero temperature

    D. C. Johnston, "Magnetic structure and magnetization of helical antiferromagnets in high magnetic fields perpendicular to the helix axis at zero temperature." Physical Review B 96, 104405 (2017)

    2017

  40. [48]

    Multiple Skyrmion Crystal Phases by Itinerant Frustration in Centrosymmetric Tetragonal Magnets

    S. Hayami, "Multiple Skyrmion Crystal Phases by Itinerant Frustration in Centrosymmetric Tetragonal Magnets." Journal of the Physical Society of Japan 91, 023705 (2022)

    2022

  41. [49]

    Field-induced transformation between triangular and square skyrmion crystals in a tetragonal polar magnet

    S. Hayami, "Field-induced transformation between triangular and square skyrmion crystals in a tetragonal polar magnet." Physical Review B 109, 184419 (2024)

    2024

  42. [50]

    Kagome Lattice Promotes Chiral Spin Fluctuations

    K. K. Kolincio, M. Hirschberger, J. Masell, T.-h. Arima, N. Nagaosa, Y . Tokura, "Kagome Lattice Promotes Chiral Spin Fluctuations." Physical Review Letters 130, 136701 (2023)

    2023

  43. [51]

    Topological Hall effect induced by chiral fluctuations in ErMn6Sn6

    K. Fruhling, Streeter, A., Mardanya, S., Wang, Xiaoping, Baral, P ., Zaharko, O., Mazin, I. I., Chowdhury, S., Ratcliff, W. D., Tafti, F., "Topological Hall effect induced by chiral fluctuations in ErMn6Sn6." arXiv: 2401.17449, (2024)

    2024 arXiv

  44. [52]

    Scattering universality classes of side jump in the anomalous Hall effect

    S. A. Yang, H. Pan, Y . Yao, Q. Niu, "Scattering universality classes of side jump in the anomalous Hall effect." Physical Review B 83, 125122 (2011)

    2011

  45. [53]

    Spin chirality induced skew scattering and anomalous Hall effect in chiral magnets

    H. Ishizuka, N. Nagaosa, "Spin chirality induced skew scattering and anomalous Hall effect in chiral magnets." Science Advances 4, eaap9962

  46. [54]

    Large anomalous Hall effect and spin Hall effect by spin-cluster scattering in the strong-coupling limit

    H. Ishizuka, N. Nagaosa, "Large anomalous Hall effect and spin Hall effect by spin-cluster scattering in the strong-coupling limit." Physical Review B 103, 235148 (2021)

    2021

  47. [55]

    Multiply periodic states and isolated skyrmions in an anisotropic frustrated magnet

    A. O. Leonov, M. Mostovoy, "Multiply periodic states and isolated skyrmions in an anisotropic frustrated magnet." Nature Communications 6, 8275 (2015)

    2015

  48. [56]

    Tunning the magnetism and magnetocaloric effects of EuAl4 single crystals by Si and Cu doping

    S. Wang, Q. Luo, X. Luo, S. Ma, C. Chen, F. Gao, B. Lv, R. Zhong, W. Ren, Z. Zhong, "Tunning the magnetism and magnetocaloric effects of EuAl4 single crystals by Si and Cu doping." Journal of Alloys and Compounds 968, 171977 (2023)

    2023

Pith tools

Reviewed August 10, 2026 · model on record in the stance chip above.