Pith. sign in

REVIEW 2 major objections 5 minor 77 references

Bullet pressure-cell design for neutron scattering experiments with horizontal magnetic fields and dilution temperatures

T0 review · 2 major / 5 minor · reviewed 2026-08-11 · deepseek-v4-flash

Challenge this review Re-run · record.json Download PDF Read on arXiv ↗ Review JSON

Pith's one-line read A bullet-shaped pressure cell achieves simultaneous 0.7 GPa, 25.9 T, and 200 mK for neutron scattering.

desk verdict Genuine engineering advance in high-field/high-pressure neutron scattering, but the 0.7 GPa pressure claim hinges on a calibration relation that appears misprinted and lacks independent verification. read the letter →

arxiv 2412.04873 v2 pith:QM5KVDCO submitted 2024-12-06 cond-mat.str-el

Ellen Fogh , Gaétan Giriat , Richard Gaal , Luc Testa , Jana Pásztorová , Henrik M. R{o}nnow , Oleksandr Prokhnenko , Maciej Bartkowiak
show 5 more authors
Ekaterina Pomjakushina Yoshiya Uwatoko Hiroyuki Nojiri Koji Munakata Kazuhisa Kakurai
This is my paper · ORCID
classification cond-mat.str-el
keywords neutronscatteringpressurecellhighmagneticfielddilutiontemperaturesquantummagnetismSrCu2(BO3)2Shastry-Sutherlandmodelbullet
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

The paper reports a new piston-cylinder pressure cell, shaped like a bullet with a dome on the outgoing-beam side, that fits inside the bore of a horizontal high-field magnet built for neutron scattering. With it, the authors performed neutron diffraction and inelastic neutron scattering on the quantum magnet SrCu2(BO3)2 while simultaneously applying 0.7 GPa of pressure, a 25.9 T magnetic field, and a 200 mK dilution temperature. The claimed result is a new demonstrated capability: inelastic neutron scattering under all three extremes at once, previously out of reach at static horizontal-field facilities. The cell's design choices—BeCu body, ceramic ZrO2 piston, deuterated methanol-ethanol medium, and finite-element-optimized dimensions—are presented as a template for future extreme-condition neutron experiments.

What carries the argument

The load-bearing object is the bullet-shaped pressure cell itself: a 22 mm outer diameter double-wall BeCu-25 cylinder with a shrink-fitted outer ring, a dome-shaped single wall on the scattered-neutron side, a ceramic ZrO2 piston on the incoming-beam side, and a four-part seal assembly (Teflon ring, aluminum plug, soft BeCu anti-extrusion ring, hardened BeCu disk) that seals directly against the bore. The dome is the crucial innovation: it lets scattered neutrons escape over a wide angular range with uniform attenuation while still withstanding the load, something a flat double-wall end could not do in the limited horizontal space. Finite-element analysis was used to optimize dimensions and material choices, and the paper reports simulated and measured loading curves that agree up to about 1.1 GPa, with plastic deformation and 30–50% pressure loss on cooling as known limitations of the design.

What would settle it

Replace or supplement the triplet-shift measurement with a direct pressure marker—for example, measure the lattice parameter of a small Pb or NaCl chip in the same cell at 200 mK and compare with its equation of state, or perform a room-temperature ruby-fluorescence calibration on an identically loaded cell. If the marker-derived pressure differs from 0.7(1) GPa by more than the quoted uncertainty, the claimed pressure value is not established.

Watch

Extended reading notes

Core claim

The central claim is that the bullet pressure cell makes it possible to combine high hydrostatic pressure with the high magnetic field and dilution temperatures of a horizontal-field magnet well enough to measure a magnetic excitation spectrum. Specifically, the cell reached 0.7(1) GPa at the sample at 200 mK and 25.9 T, and the authors observed the zero-field triplet mode of SrCu2(BO3)2 shifted by the pressure, then found no clear magnetic signal in the expected plateau region at 25.9 T. The paper frames the achievement as a proof of concept: informed material selection and finite-element analysis can produce cells compatible with the tight bore of horizontal magnets, opening pressure as a controllable axis for neutron studies of quantum magnets in high fields.

Load-bearing premise

The claimed pressure of 0.7(1) GPa at 200 mK rests entirely on the published linear relation between the triplet energy shift in SrCu2(BO3)2 and pressure, with no independent in-situ gauge, while the cell loses 30–50% of its pressure on cooling.

Editorial extensions

If this is right

  • Neutron diffraction and inelastic scattering can now be planned under simultaneous pressure, static magnetic field, and millikelvin temperatures, at least up to 0.7 GPa, 25.9 T, and 200 mK.
  • The bullet-cell template should transfer to other static horizontal-field magnets, including planned high-field superconducting magnets.
  • For SrCu2(BO3)2, the measured zero-field triplet shift gives an in-situ pressure of 0.7(1) GPa, but the absence of a plateau signal at 25.9 T leaves open which high-field phase was actually realized.
  • Future designs that incorporate an independent pressure gauge and a spring mechanism to compensate pressure loss on cooling would make the pressure determination more robust.

Reading between the lines

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

  • The same dome-and-ceramic-piston geometry could be adapted for neutron scattering at other extreme-environment facilities, where the trade-off between sample volume and neutron transmission may shift the optimal piston material.
  • The 30–50% pressure loss on cooling implies the reported 0.7(1) GPa is a low-temperature estimate; the room-temperature pressure at loading was likely higher, so future users should account for this loss when choosing a target load.
  • If the triplet-shift calibration is cross-checked against a direct pressure marker, the bullet cell could become a standard sample environment for combined-field studies of long-period spin textures, where pressure is a clean tuning parameter.
  • The spurious background features attributed to multiple scattering with the BeCu body suggest that ray-tracing simulation of the cell before construction could help future designs avoid wavelength-specific contamination.
Share X Bluesky LinkedIn Reddit HN

Signed reviews

No signed human review yet.

Editorial analysis

A structured set of objections, weighed in public.

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

Referee Report

2 major / 5 minor

Summary. The manuscript reports the design, construction, and first neutron-scattering use of a 'bullet' piston-cylinder pressure cell for horizontal-field magnets, specifically the HFM/EXED instrument at HZB. The cell combines a hardened BeCu double-wall body with a dome-shaped exit window, a ZrO2 piston, and a four-part seal, loaded with deuterated methanol-ethanol. The authors present finite-element simulations of diameter expansion, piston-displacement loading curves for seven loadings, neutron background characterization, and a demonstration experiment on the quantum magnet SrCu2(BO3)2. They report simultaneous 0.7(1) GPa, 25.9 T, and 200 mK and show a zero-field triplet excitation shifted by ΔE = -0.57(2) meV, with no observable inelastic mode at 25.9 T and no field-induced magnetic Bragg intensity. The central claim is that this constitutes a new demonstrated capability for inelastic neutron scattering under simultaneous high pressure, high static horizontal field, and dilution temperatures.

Significance. If the pressure determination is accepted, the result is significant: it is, to the authors' knowledge, the first inelastic neutron scattering experiment under a static horizontal field above 16 T combined with a pressure of order 0.7 GPa and a dilution temperature of 200 mK. The design is reproducible across seven loadings, is backed by finite-element analysis, and the neutron data include a clear inelastic signal at zero field, demonstrating that the cell is usable for spectroscopy, not only diffraction. The authors are explicit about the main weakness, namely that the pressure is determined only from the sample's own triplet shift, and they also openly discuss the absence of field-induced magnetic signal and its possible causes. The design and characterization will be useful for future horizontal-field magnets and sample-environment development. However, the quantitative pressure claim is not yet independently established, and one printed calibration formula is numerically inconsistent with the reported value.

major comments (2)
  1. [Sec. IV] The pressure calibration is printed inconsistently. The relation P = -ΔE / [0.080(4) GPa/meV] with ΔE = -0.57(2) meV gives P ≈ 7.1 GPa, not the reported P = 0.7(1) GPa. The reported value requires a denominator of 0.80(4) GPa/meV (equivalently a pressure coefficient dE/dP of about -0.80 meV/GPa). Please correct the typo and quote the prefactor consistently with Ref. 58. As printed, the central quantitative claim is not reproducible from the equation.
  2. [Secs. II, IV, V] The pressure at 200 mK rests entirely on the zero-field triplet shift of SrCu2(BO3)2, with no independent in-situ pressure gauge (e.g., Pb, NaCl, or ruby). Section V explicitly calls this the main weakness, and Section II reports a 30-50% pressure loss upon cooling. These two statements together mean that the claimed 0.7(1) GPa at 200 mK is not independently verified; the quoted ±0.1 GPa uncertainty does not include the systematic uncertainty of transferring the room-temperature calibration to base temperature, the possibility of nonhydrostatic stress in frozen methanol-ethanol, or the sample's own response. This is load-bearing because the interpretation of the 25.9 T data as falling inside or outside the approximately 1 T wide 1/8-plateau window depends directly on P. Please either add an independent pressure determination from the same experiment (for example, a lattice-parameter or known pressure-standard signal) or significantly temper the quantitative pressure claim and enlarge the uncertainty to reflect these systematic effects.
minor comments (5)
  1. [Abstract and Sec. VI] The abstract and conclusion state that the experiment made it possible to 'investigate the 1/8 magnetization plateau'; however, no field-induced Bragg peaks or new inelastic modes were observed at 25.9 T (Sec. IV), and the Discussion lists reasons why the plateau may not have been reached. Please rephrase to state that the demonstrated achievement is the simultaneous extreme environment and successful collection of neutron data, not the observation of the plateau.
  2. [Sec. II] The text says 'no sample can is required'; this appears to be a typo (probably 'sample capsule' or 'sample container'). Please correct.
  3. [Sec. I] There are several typographical errors: 'refigerator' in the Introduction, 'spacially' in Sec. II, 'ressemble' and 'two-dimentional' in Sec. V. Please proofread the manuscript.
  4. [Table I] Table I lists the HZB bullet cell as reaching 1.0 GPa, while the abstract and text report 0.7 GPa at base temperature. The table note says pressures are room-temperature values, but the relationship between the two numbers should be stated explicitly in the main text to avoid confusion.
  5. [Fig. 3] The red diamond and yellow triangle in Fig. 3(a) are described as experimentally measured diameter increases at 7000 kg load, but no error bars or measurement details are given, and the conversion from diameter increase to pressure relies on the FEA simulation. Please clarify how these points were obtained and how the inferred pressure uncertainty was estimated.

Circularity Check

0 steps flagged · score 0.0 of 10

No significant circularity: the pressure determination relies on an external calibration and is explicitly acknowledged as the setup's main weakness.

full rationale

The paper's central claim is an engineering demonstration: a pressure cell that enabled neutron diffraction and spectroscopy at 0.7 GPa, 25.9 T, and 200 mK. The pressure is not a fitted parameter of this paper; it is inferred from the measured zero-field triplet energy shift of SrCu2(BO3)2 using the published linear calibration of Ref. 58. That calibration is an external, peer-reviewed empirical relation, not an input derived from the present data. The paper explicitly states that the pressure determination relies solely on the triplet position and calls this 'the main weakness of the setup', recommending an independent gauge for future work. The overlapping authorship of Ref. 58 is a self-citation, but it is load-bearing only as an external calibration and does not by construction reduce the present claim to its own input. The reported pressure value is not used to define the triplet shift; rather, the shift is the measured observable. There is no fitted-input-called-prediction, no uniqueness theorem, and no ansatz smuggled via citation. The numerical inconsistency in the printed formula (0.57/0.080 = 7.1 GPa rather than 0.7 GPa) is a correctness/typographical concern, not a circularity: it does not make the derivation equivalent to its input. The capability claim is further supported by loading curves, finite-element simulations, and the actual neutron data, so the derivation chain is self-contained rather than circular.

Assumptions & free parameters 0 free parameters · 4 assumptions · 0 invented entities

The central claim rests on standard engineering assumptions and on an external pressure calibration, not on new fitted parameters or invented entities. The main unverified input is the transferability of the published triplet shift calibration to base temperature after a large pressure loss on cooling.

assumptions (4)
  • domain assumption The pressure calibration Delta E(P) from Ref 58, with slope 0.080(4) GPa/meV, remains valid at 200 mK and at the achieved pressure.
    Used in Section IV to convert the measured triplet energy shift into P = 0.7(1) GPa; no in-situ pressure gauge is present.
  • domain assumption The frozen methanol-ethanol pressure medium preserves pressure during cooldown and remains effectively hydrostatic at the sample.
    Section II and Section V rely on pressure being conserved once the medium freezes, despite a 30 to 50 percent loss during cooling.
  • domain assumption ANSYS finite-element models of stress and strain in the BeCu body and ZrO2 piston accurately predict the cell behavior.
    Section II uses FEA to choose dimensions and materials; validation is indirect, through piston displacement and diameter measurements.
  • domain assumption SrCu2(BO3)2 is well described by the Shastry-Sutherland model and the theoretical phase diagrams in Refs 46 to 48 apply at these conditions.
    Section III and Section V use model predictions to choose the sample orientation and to interpret the absence of field-induced magnetic signal.

how reviews work

0 comments
Cite this review

Pith. "Pith review of Bullet pressure-cell design for neutron scattering experiments with horizontal magnetic fields and dilution temperatures." pith.science (2026). https://pith.science/paper/QM5KVDCO

@misc{pith2026241204873,
  author       = {Pith},
  title        = {Pith review of: Bullet pressure-cell design for neutron scattering experiments with horizontal magnetic fields and dilution temperatures},
  year         = {2026},
  howpublished = {\url{https://pith.science/paper/QM5KVDCO}},
  note         = {Machine review of arXiv:2412.04873}
}
read the original abstract

The simultaneous application of high magnetic fields and high pressures for controlling magnetic ground states is important for testing our understanding of many-body quantum theory. However, the implementation for neutron scattering experiments presents a technical challenge. To overcome this challenge we present an optimized pressure-cell design with a novel bullet shape, which is compatible with horizontal-field magnets, in particular the high-field magnet operating at the Helmholtz-Zentrum Berlin. The cell enabled neutron diffraction and spectroscopy measurements with the combination of three extreme conditions: high pressures, high magnetic fields, and dilution temperatures, simultaneously reaching 0.7 GPa, 25.9 T, and 200 mK. Our results demonstrate the utility of informed material choices and the efficiency of finite-element analysis for future pressure-cell designs to be used in combination with magnetic fields and dilution temperatures for neutron scattering purposes.

Figures

Figures reproduced from arXiv: 2412.04873 by the authors.

Figure 1
Figure 1. FIG. 1. Representation of capabilities listed in Table [PITH_FULL_IMAGE:figures/full_fig_p002_1.png] view at source ↗
Figure 2
Figure 2. FIG. 2 [PITH_FULL_IMAGE:figures/full_fig_p003_2.png] view at source ↗
Figure 3
Figure 3. (a) shows the simulated diameter increase of the pressure cell as a function of the applied pressure. The curve deviates from linear behavior above around 1.1GPa. The cor￾responding measured piston displacement as a function of ap￾plied load is shown for 7 individual loadings in [PITH_FULL_IMAGE:figures/full_fig_p004_3.png] view at source ↗
Figures from the paper (4 more)
Figure 4
Figure 4. Figure 4: (a). For detailed descriptions and illustrations of this truly unique instrument and magnet we refer to Refs. 17–20. Three different chopper settings produced a wavelength band of 0.7−7.2Å for diffraction and incoming energies Ei = 4 and 8meV for inelastic measurements…
Figure 5
Figure 5. Figure 5: (a) represent the background, which is due largely to the pressure cell but also due to the cryostat and magnet. There are two prominent features at 52 and 60ms on top of a very broad structure with maximum around 35ms. These features are also clearly present in [PITH…
Figure 6
Figure 6. Figure 6: FIG. 6. Background-subtracted neutron intensity shown as a function [PITH_FULL_IMAGE:figures/full_fig_p007_6.png]
Figure 7
Figure 7. Figure 7: FIG. 7 [PITH_FULL_IMAGE:figures/full_fig_p008_7.png]

Discussion (0). Continue with ORCID to comment.

Reference graph

Works this paper leans on

77 extracted references · 77 canonical work pages

  1. [1]

    Quantum Criticality: Competing Ground States in Low Dimensions,

    S. Sachdev, “Quantum Criticality: Competing Ground States in Low Dimensions,” Science 288, 475–480 (2000)

    work page 2000

  2. [2]

    Mile- stones of low-D quantum magnetism,

    A. Vasiliev, O. V olkova, E. Zvereva, and M. Markina, “Mile- stones of low-D quantum magnetism,” npj Quant. Mater. 3, 18 (2018)

    work page 2018

  3. [3]

    and because neutrons penetrate matter easily compared to other scattering probes, such as X-rays or electrons, it is possible to have large equipment for controlling the sample environment. Therefore, neutron scattering experiments for studying quantum magnetic systems under applied magnetic field and pressures and at low temperatures constitute an ex- tr...

    work page Pith review arXiv 2019

  4. [4]

    Goodway and O

    C. Goodway and O. Kirichek, Private communication

    work page

  5. [5]

    Sample environment page,

    ISIS Neutron and Muon Source, “Sample environment page,” (2022), access date: 2022-04-25

    work page 2022

  6. [6]

    Sample environment page,

    Institute Laue-Langevin, “Sample environment page,” (2022), access date: 2022-04-25

    work page 2022

  7. [7]

    Principles of Neutron Scattering from Con- densed Matter,

    A. T. Boothroyd, “Principles of Neutron Scattering from Con- densed Matter,” (2020)

    work page 2020

  8. [8]

    Sample environment page,

    Paul Scherrer Institute, “Sample environment page,” (2022), access date: 2022-04-25

    work page 2022

Show all 77 references
  1. [9]

    Development of a hybrid CuBe/NiCrAl clamp- type high pressure cell for neutron diffraction,

    N. Aso, T. Fujiwara, Y . Uwatoko, H. Miyano, and H. Yoshizawa, “Development of a hybrid CuBe/NiCrAl clamp- type high pressure cell for neutron diffraction,” J. Phys. Soc. Jpn. 76, 228–229 (2007)

    2007

  2. [10]

    New Standard for Low Temperature Sample Environment at JAEA/JRR-3,

    K. Kaneko, C. Tabata, M. Hagihala, H. Yamauchi, Y . Oba, T. Kumada, M. Kubota1, Y . Kojima1, N. Nabatame, M. Sasaki1, Y . Shimojo, K. Kodama, and T. Osakabe, “New Standard for Low Temperature Sample Environment at JAEA/JRR-3,” JPS Conf. Proc.41, 011015 (2024)

    2024

  3. [11]

    Three-wall piston-cylinder type pressure cell for muon-spinrotation/relaxation experiments,

    R. Khasanov, R. Urquhart, M. Elender, and Konstantin Kamenev, “Three-wall piston-cylinder type pressure cell for muon-spinrotation/relaxation experiments,” High Press. Res. 42, 29–46 (2022)

    2022

  4. [12]

    Development of cubic anvil type high pressure apparatus for neutron diffraction,

    S. E. Dissanayake, M. Matsuda, K. Munakata, H. Kagi, J. Gouchi, and Y . Uwatoko, “Development of cubic anvil type high pressure apparatus for neutron diffraction,” J. Phys.: Con- dens. Matter 31, 384001 (2019)

    2019

  5. [13]

    Zr-based bulk metallic glass as a cylinder material for high pressure appara- tuses,

    K. Komatsu, K. Munakata, K. Matsubayashi, Y . Uwatoko, Y . Yokoyama, K. Sugiyama, and M. Matsuda, “Zr-based bulk metallic glass as a cylinder material for high pressure appara- tuses,” High. Press. Res. 35, 54–262 (2015)

    2015

  6. [14]

    The DN-6 Neutron Diffractometer for High-Pressure Research at Half a Megabar Scale,

    D. Kozlenko, S. Kichanov, E. Lukin, and B. Savenko, “The DN-6 Neutron Diffractometer for High-Pressure Research at Half a Megabar Scale,” Crystals 8, 331 (2018)

    2018

  7. [15]

    Pressure-Induced Anti- ferromagnetic Order in Filled Skutterudite PrFe 4P12 Studied by Single-Crystal High-Pressure Neutron Diffraction,

    T. Osakabe, K. Kuwahara, D. Kawana, K. Iwasa, D. Kikuchi, Y . Aoki, M. Kohgi, and H. Sato, “Pressure-Induced Anti- ferromagnetic Order in Filled Skutterudite PrFe 4P12 Studied by Single-Crystal High-Pressure Neutron Diffraction,” J. Phys. Soc. Jpn. 79, 034711 (2010)

    2010

  8. [16]

    Neutron diffraction experiments in dia- mond and sapphire anvil cells,

    I. N. Goncharenko, “Neutron diffraction experiments in dia- mond and sapphire anvil cells,” High Press. Res. 24, 193–204 (2004)

    2004

  9. [17]

    Time-of-flight extreme envi- ronment diffractometer at the Helmholtz-Zentrum Berlin,

    O. Prokhnenko, W.-D. Stein, H.-J. Bleif, M. Fromme, M. Bartkowiak, and T. Wilpert, “Time-of-flight extreme envi- ronment diffractometer at the Helmholtz-Zentrum Berlin,” Rev. Sci. Instrum. 86, 033102 (2015)

    2015

  10. [18]

    First hybrid magnet for neutron scattering at Helmholtz-Zentrum Berlin,

    P. Smeibidl, M. Bird, H. Ehmler, I. Dixon, J. Heinrich, M. Hoffmann, S. Kempfer, S. Bole, J. Toth, O. Prokhnenko, and B. Lake, “First hybrid magnet for neutron scattering at Helmholtz-Zentrum Berlin,” IEEE Trans. Appl. Supercond.26, 4301606 (2016)

    2016

  11. [19]

    Pressure and Field Induced Magnetic Order in the Spin Liquid Tb2Ti2O7 as Studied by Single Crystal Neu- tron Diffraction,

    I. Mirebeau, I. N. Goncharenko, G. Dhalenne, and A. Revcolevschi, “Pressure and Field Induced Magnetic Order in the Spin Liquid Tb2Ti2O7 as Studied by Single Crystal Neu- tron Diffraction,” Phys. Rev. Lett.93, 187204 (2004)

    2004

  12. [20]

    HFM/EXED: The High Magnetic Field Facility for Neutron Scattering at BER II,

    O. Prokhnenko, P. Smeibidl, W. D. Stein, M. Bartkowiak, and N. Stuesser, “HFM/EXED: The High Magnetic Field Facility for Neutron Scattering at BER II,” JLSRF 3, A115 (2017)

    2017

  13. [21]

    Magnetic neutron diffraction under pressures up to 43 GPa. Study of the EuX and GdX compounds,

    I. N. Goncharenko, I. Mirebeau, and A. Ochiai, “Magnetic neutron diffraction under pressures up to 43 GPa. Study of the EuX and GdX compounds,” Hyperfine Interact. 128, 225–244 (2001)

    2001

  14. [22]

    High-pressure-induced spin-liquid phase of multiferroic YMnO 3,

    D. P. Kozlenko, I. Mirebeau, J.-G. Park, I. N. Goncharenko, S. Lee, J. Park, and B. N. Savenko, “High-pressure-induced spin-liquid phase of multiferroic YMnO 3,” Phys. Rev. B 78, 054401 (2008)

    2008

  15. [23]

    HFM-EXED - the high field facility for neutron scat- tering at HZB,

    O. Prokhnenko, M. Bartkowiak, W.-D. Stein, N. Stuesser, H.- J. Bleif, M. Fromme, K. Prokes, P. Smeibidl, M. Bird, and B. Lake, “HFM-EXED - the high field facility for neutron scat- tering at HZB,” Proceedings of ICANS-XXI , 278–285 (2016)

    2016

  16. [24]

    Pressure-induced incommensurate antiferromagnetic order in a ferromagnetic B- site ordered double-perovskite Lu2NiMnO6,

    N. Terada, C. V . Colin, N. Qureshi, T. C. Hansen, K. Mat- subayashi, Y . Uwatoko, and A. A. Belik, “Pressure-induced incommensurate antiferromagnetic order in a ferromagnetic B- site ordered double-perovskite Lu2NiMnO6,” Phys. Rev. B102, 094412 (2020)

    2020

  17. [25]

    Spin waves and three-dimensionality in the high-pressure antiferro- magnetic phase of SrCu2(BO3)2,

    E. Fogh, G. Giriat, M. E. Zayed, A. Piovano, M. Boehm, P. Stef- fens, I. Safiulina, U. B. Hansen, S. Klotz, J.-R. Soh, E. Pom- jakushina, F. Mila, B. Normand, and H. M. Rønnow, “Spin waves and three-dimensionality in the high-pressure antiferro- magnetic phase of SrCu2(BO3)2,”...

    2024

  18. [26]

    High pressure neutron diffraction to beyond 20 GPa and below 1.8 K using Paris-Edinburgh load frames,

    S. Klotz, Th. Strässle, B. Lebert, M. d’Astuto, and Th. Hansen, “High pressure neutron diffraction to beyond 20 GPa and below 1.8 K using Paris-Edinburgh load frames,” High Press. Res.36, 73–78 (2016)

    2016

  19. [27]

    Quantum Magnets under Pres- sure: Controlling Elementary Excitations in TlCuCl 3,

    Ch. Rüegg, B. Normand, M. Matsumoto, A. Furrer, D. F. McMorrow, K. W. Krämer, H.-U. Güdel, S. N. Gvasaliya, H. Mutka, and M. Boehm, “Quantum Magnets under Pres- sure: Controlling Elementary Excitations in TlCuCl 3,” Phys. Rev. Lett. 100, 205701 (2008)

    2008

  20. [28]

    Exact dimer ground state of the two- dimensional Heisenberg spin system SrCu2(BO3)2,

    S. Miyahara and K. Ueda, “Exact dimer ground state of the two- dimensional Heisenberg spin system SrCu2(BO3)2,” Phys. Rev. Lett. 82, 3701 (1999)

    1999

  21. [29]

    Exact ground state of a quantum mechanical antiferromagnet,

    B. S. Shastry and B. Sutherland, “Exact ground state of a quantum mechanical antiferromagnet,” Physica B+C108, 1069 (1981)

    1981

  22. [30]

    Exact dimer ground state and quantized magnetization plateaus in the two-dimensional spin system 10 SrCu2(BO3)2,

    H. Kageyama, K. Yoshimura, R. Stern, N. V . Mushnikov, K. Onizuka, M. Kato, K. Kosuge, C. P. Slichter, T. Goto, and Y . Ueda, “Exact dimer ground state and quantized magnetization plateaus in the two-dimensional spin system 10 SrCu2(BO3)2,” Phys. Rev. Lett.82, 3168 (1999)

    1999

  23. [31]

    Neutron scattering lengths and cross sections,

    V . F. Sears, “Neutron scattering lengths and cross sections,” Neutron News 3, 26–27 (1992)

    1992

  24. [32]

    Low-temperature specific heat study of SrCu2(BO3)2 with an exactly solvable ground state,

    H. Kageyama, K. Onizuka, Y . Ueda, M. Nohara, H. Suzuki, and H. Takagi, “Low-temperature specific heat study of SrCu2(BO3)2 with an exactly solvable ground state,” J. Exp. Theor. Phys. 90, 129 (2000)

    2000

  25. [33]

    High-resolution study of spin excitations in the singlet ground state of SrCu2(BO3)2,

    B. D. Gaulin, S. H. Lee, S. Haravifard, J. P. Castellan, A. J. Berlinsky, H. A. Dabkowska, Y . Qiu, and J. R. D. Copley, “High-resolution study of spin excitations in the singlet ground state of SrCu2(BO3)2,” Phys. Rev. Lett.93, 267202 (2004)

    2004

  26. [34]

    Neutron Scattering Investigation on Quantum Spin System SrCu2(BO3)2,

    K. Kakurai, K. Nukui, N. Aso, M. Nishi, H. Kadowaki, H. Kageyama, Y . Ueda, L-P. Regnault, and O. Cépas, “Neutron Scattering Investigation on Quantum Spin System SrCu2(BO3)2,” Progress of Theoretical Physics Supplement 159, 22 (2005)

    2005

  27. [35]

    Direct ev- idence for the localized single-triplet excitations and the disper- sive multitriplet excitations in SrCu 2(BO3)2,

    H. Kageyama, M. Nishi, N. Aso, K. Onizuka, T. Yosihama, K. Nukui, K. Kodama, K. Kakurai, and Y . Ueda, “Direct ev- idence for the localized single-triplet excitations and the disper- sive multitriplet excitations in SrCu 2(BO3)2,” Phys. Rev. Lett. 84, 5876 (2000)

    2000

  28. [36]

    Quantum phases of the Shastry-Sutherland antiferromagnet: Application to SrCu2(BO3)2,

    C. H. Chung, J. B. Marston, and S. Sachdev, “Quantum phases of the Shastry-Sutherland antiferromagnet: Application to SrCu2(BO3)2,” Phys. Rev. B64, 134407 (2001)

    2001

  29. [37]

    Phase diagram of the quadrumerized Shastry-Sutherland model,

    A. Läuchli, S. Wessel, and M. Sigrist, “Phase diagram of the quadrumerized Shastry-Sutherland model,” Phys. Rev. B 66, 014401 (2002)

    2002

  30. [38]

    Tensor network study of the Shastry- Sutherland model in zero magnetic field,

    P. Corboz and F. Mila, “Tensor network study of the Shastry- Sutherland model in zero magnetic field,” Phys. Rev. B 87, 115144 (2013)

    2013

  31. [39]

    Quantum Phase Transitions in the Shastry-Sutherland Model for SrCu 2(BO3)2,

    A. Koga and N. Kawakami, “Quantum Phase Transitions in the Shastry-Sutherland Model for SrCu 2(BO3)2,” Phys. Rev. Lett. 84, 4461–4464 (2000)

    2000

  32. [40]

    Plaquette valence bond solid to antiferromagnet transition and deconfined quantum crit- ical point of the Shastry-Sutherland model,

    N. Xi, H. Chen, Z. Y . Xie, and R. Yu, “Plaquette valence bond solid to antiferromagnet transition and deconfined quantum crit- ical point of the Shastry-Sutherland model,” Phys. Rev. B 107, L220408 (2023)

    2023

  33. [41]

    1/3 magnetization plateau in SrCu 2(BO3)2 - stripe order of excited triplets -,

    K. Onizuka, H. Kageyama, Y . Narumi, K. Kindo, Y . Ueda, and T. Goto, “1/3 magnetization plateau in SrCu 2(BO3)2 - stripe order of excited triplets -,” J. Phys. Soc. Jpn. 69, 1016 (2000)

    2000

  34. [42]

    Incomplete Devil’s Staircase in the Magnetization Curve of SrCu2(BO3)2,

    M. Takigawa, M. Horvati ´c, T. Waki, S. Krämer, C. Berthier, F. Lévy-Bertrand, I. Sheikin, H. Kageyama, Y . Ueda, and F. Mila, “Incomplete Devil’s Staircase in the Magnetization Curve of SrCu2(BO3)2,” Phys. Rev. Lett.110, 067210 (2013)

    2013

  35. [43]

    Third Boundary of the Shas- try–Sutherland Model by Numerical Diagonalization,

    H. Nakano and T. Sakai, “Third Boundary of the Shas- try–Sutherland Model by Numerical Diagonalization,” J. Phys. Soc. Jpn. 87, 123702 (2018)

    2018

  36. [44]

    Discovery of quantum phases in the Shastry- Sutherland compound SrCu 2(BO3)2 under extreme conditions of field and pressure,

    Z. Shi, S. Dissanayake, P. Corboz, W. Steinhardt, D. Graf, D. M. Silevitch, H. A. Dabkowska, T. F. Rosenbaum, F. Mila, and S. Haravifard, “Discovery of quantum phases in the Shastry- Sutherland compound SrCu 2(BO3)2 under extreme conditions of field and pressure,” Nat. Commun....

    2022

  37. [45]

    Unveiling new quantum phases in the Shastry- Sutherland compound SrCu 2(BO3)2 up to the saturation mag- netic field,

    T. Nomura, P. Corboz, A. Miyata, S. Zherlitsyn, Y . Ishii, Y . Ko- hama, Y . H. Matsuda, A. Ikeda, C. Zhong, H. Kageyama, and F. Mila, “Unveiling new quantum phases in the Shastry- Sutherland compound SrCu 2(BO3)2 up to the saturation mag- netic field,” Nat. Commun. 14, 3769 (2023)

    2023

  38. [46]

    Crystals of bound states in the magne- tization plateaus of the Shastry-Sutherland model,

    P. Corboz and F. Mila, “Crystals of bound states in the magne- tization plateaus of the Shastry-Sutherland model,” Phys. Rev. Lett. 112, 147203 (2014)

    2014

  39. [47]

    Magnetization of SrCu2(BO3)2 in Ultrahigh Magnetic Fields up to 118 T,

    Y . H. Matsuda, N. Abe, S. Takeyama, H. Kageyama, P. Corboz, A. Honecker, S. R. Manmana, G. R. Foltin, K. P. Schmidt, and F. Mila, “Magnetization of SrCu2(BO3)2 in Ultrahigh Magnetic Fields up to 118 T,” Phys. Rev. Lett.111, 137204 (2013)

    2013

  40. [48]

    Pressure dependence of the magnetization plateaus of SrCu 2(BO3)2,

    D. A. Schneider K. Coester F. Mila and K. P. Schmidt, “Pressure dependence of the magnetization plateaus of SrCu 2(BO3)2,” Phys. Rev. B 93, 241107(R) (2016)

    2016

  41. [49]

    Crystal growth of the two-dimensional spin gap system SrCu2(BO3)2,

    H. Kageyama, K. Onizuka, T. Yamauchi, and Y . Ueda, “Crystal growth of the two-dimensional spin gap system SrCu2(BO3)2,” J. Cryst. Growth 206, 65–67 (1999)

    1999

  42. [50]

    High magnetic field magnetization and spe- cific heat of the 2D spin–dimer system SrCu2(BO3)2,

    G. Jorge, M. Jaime, N. Harrison, R. Stern, H. Dabkowska, and B. D. Gaulin, “High magnetic field magnetization and spe- cific heat of the 2D spin–dimer system SrCu2(BO3)2,” J. Alloys Compd. 369, 90–92 (2004)

    2004

  43. [51]

    Crystallization of spin superlattices with pressure and field in the layered magnet SrCu 2(BO3)2,

    S. Haravifard, D. Graf, A. E. Feiguin, C. D. Batista, J. C. Lang, D. M. Silevitch, G. Srajer, B. D. Gaulin, H. A. Dabkowska, and T. F. Rosenbaum, “Crystallization of spin superlattices with pressure and field in the layered magnet SrCu 2(BO3)2,” Nat. Commun. 7, 11956 (2016)

    2016

  44. [52]

    In the data measured with incoming energy Ei = 4meV, a corresponding spurion appears around 2 .1meV

    but is most likely also not from the sample itself because the spurion position is independent of magnetic field and pres- sure. In the data measured with incoming energy Ei = 4meV, a corresponding spurion appears around 2 .1meV. In the Q- integrated data shown in Fig. 7(c), a...

  45. [53]

    Klotz, Techniques in High Pressure Neutron Scattering(Tay- lor & Francis / CRC Press, Boca Raton, 2013)

    S. Klotz, Techniques in High Pressure Neutron Scattering(Tay- lor & Francis / CRC Press, Boca Raton, 2013)

    2013

  46. [54]

    using the Union framework [55] in the McStas Monte Carlo simulation package for neutron beamlines [56, 57] to identify possible spurions as well as ways to avoid them in experiments. Returning to the current cell design, the trans- mission is optimal around magnet rotation ang...

  47. [55]

    Exeq and inexeq: software tools for ex- periment planning at the extreme environment diffractometer,

    M. Bartkowiak, K. Prokeš, M. Fromme, A. Budack, J. Dirlick, and O. Prokhnenko, “Exeq and inexeq: software tools for ex- periment planning at the extreme environment diffractometer,” J. Appl. Cryst. 53, 1613–1619 (2020)

    2020

  48. [56]

    Field-induced bound-state condensation and spin-nematic phase in SrCu 2(BO3)2 revealed by neutron scat- tering up to 25.9 T,

    E. Fogh, M. Nayak, O. Prokhnenko, M. Bartkowiak, K. Mu- nakata, J.-R. Soh, A. A. Turrini, M. E. Zayed, E. Pomjakushina, H. Kageyama, H. Nojiri, K. Kakurai, B. Normand, F. Mila, and H. M. Rønnow, “Field-induced bound-state condensation and spin-nematic phase in SrCu 2(BO3)2 rev...

    2024

  49. [57]

    McStas (ii): An overview of components, their use, and advice for user contributions,

    P. Willendrup and K. Lefmann, “McStas (ii): An overview of components, their use, and advice for user contributions,” J. Neutron Res. 23, 7–27 (2021)

    2021

  50. [58]

    Sourcing and reduc- ing sample environment background in low-temperature high- pressure neutron scattering experiments,

    Z. Ma, J. Lass, D. G. Mazzone, G. Simutis, S. Thürsam, T. Fen- nell, E. Pomjakushina, M. Bartkowiak, S. Nikitin, M. Bertelsen, P. Willendrup, U. Filges, and C. Klauser, “Sourcing and reduc- ing sample environment background in low-temperature high- pressure neutron scattering ...

    2024

  51. [59]

    Bertelsen, Software for simulation and design of neutron scattering instrumentation, Ph.D

    M. Bertelsen, Software for simulation and design of neutron scattering instrumentation, Ph.D. thesis, University of Copen- hagen (2017)

    2017

  52. [60]

    McStas (i): Introduction, use, and basic principles for ray-tracing simulations,

    P. Willendrup and K. Lefmann, “McStas (i): Introduction, use, and basic principles for ray-tracing simulations,” J. Neutron Res. 22, 1–16 (2020)

    2020

  53. [61]

    Emer- gence of long-range order in sheets of magnetic dimers,

    S. Haravifard, A. Banerjee, J. van Wezel, D. M. Silevitch, A. M. dos Santos, J. C. Lang, E. Kermarrec, G. Srajer, B. D. Gaulin, J. J. Molaison, H. A. Dabkowska, and T. F. Rosenbaum, “Emer- gence of long-range order in sheets of magnetic dimers,” Proc. Natl. Acad. Sci. 111, 143...

    2014

  54. [62]

    Correlated decay of triplet ex- citations in the Shastry-Sutherland compound SrCu 2(BO3)2,

    M. E. Zayed, Ch. Rüegg, Th. Strässle, U. Stuhr, B. Roessli, M. Ay, J. Mesot, P. Link, E. Pomjakushina, M. Stingaciu, K. Conder, and H. M. Rønnow, “Correlated decay of triplet ex- citations in the Shastry-Sutherland compound SrCu 2(BO3)2,” Phys. Rev. Lett. 113, 067201 (2014)

    2014

  55. [63]

    Investigating field- induced magnetic order in Han purple by neutron scattering up to 25.9 T,

    S. Allenspach, A. Madsen, A. Biffin, M. Bartkowiak, O. Prokhnenko, A. Gazizulina, X. Liu, R. Wahle, S. Gerischer, S. Kempfer, P. Heller, P. Smeibidl, A. Mira, N. Laflorencie, F. Mila, B. Normand, and Ch. Rüegg, “Investigating field- induced magnetic order in Han purple by neut...

    2022

  56. [64]

    Crystal structure and lattice dy- namics of SrCu2(BO3)2 at high pressures,

    I. Loa, F.X. Zhang, K. Syassen, P. Lemmens, W. Crichton, H. Kageyama, and Y . Ueda, “Crystal structure and lattice dy- namics of SrCu2(BO3)2 at high pressures,” Physica B359-361, 980–982 (2005)

    2005

  57. [65]

    40-Tesla pulsed-field cryomagnet for single crystal neutron diffraction,

    F. Duc, X. Tonon, J. Billette, B. Rollet, W. Knafo, F. Bourdarot, J. Béard, F. Mantegazza, B. Longuet, J. E. Lorenzo, E. Lelièvre- Berna, P. Frings, and L.-P. Regnault, “40-Tesla pulsed-field cryomagnet for single crystal neutron diffraction,” Rev. Sci. In- strum. 89, 053905 (2018)

    2018

  58. [66]

    F. Levy, I. Sheikin, C. Berthier, M. Horvati ´c, M. Takigawa, H. Kageyama, T. Waki, and Y . Ueda, EPL81, 67004 (2008)

    2008

  59. [67]

    Calibration of the Ruby PressureGauge to 800 kbar Under Quasi- 11 HydrostaticConditions,

    H. K. Mao, J. Xu, and P. M. Bell, “Calibration of the Ruby PressureGauge to 800 kbar Under Quasi- 11 HydrostaticConditions,” J. Geophys. Res.91, 673–4676 (1986)

    1986

  60. [68]

    Next- generation diamond cell and applications to single-crystal neu- tron diffraction,

    B. Haberl, S. Dissanayake, Y . Wu, D. A. A. Myles, A. M. dos Santos, M. Loguillo, G. M. Rucker, D. P. Armitage, M. Cochran, K. M. Andrews, C. Hoffmann, H. Cao, M. Mat- suda, F. Meilleur, F. Ye, J. J. Molaison, and R. Boehler, “Next- generation diamond cell and applications to ...

    2018

  61. [69]

    Design of a Superconducting 32 T Magnet With REBCO High Field Coils,

    W. D. Markiewicz, D. C. Larbalestier, H W. Weijers, A. J. V o- ran, K. W. Pickarda, W. R. Sheppard, J. Jaroszynski, A. Xu, R. P. Walsh, J. Lu, A. V . Gavrilin, and P. D. Noyes, “Design of a Superconducting 32 T Magnet With REBCO High Field Coils,” IEEE Trans. Appl. Supercond. ...

    2012

  62. [70]

    Magnetic structures and quadratic magnetoelectric effect in LiNiPO4 beyond 30 T,

    E. Fogh, T. Kihara, R. Toft-Petersen, M. Bartkowiak, Y . Narumi, O. Prokhnenko, A. Miyake, M. Tokunaga, K. Oikawa, M. K. Sørensen, J. C. Dyrnum, H. Grimmer, H. No- jiri, and N. B. Christensen, “Magnetic structures and quadratic magnetoelectric effect in LiNiPO4 beyond 30 T,” P...

    2020

  63. [71]

    Neutron diffraction of field-induced magnon condensation in the spin-dimerized antiferromagnet Sr 3Cr2O8,

    A. Gazizulina, D. L. Quintero-Castro, Z. Wang, F. Duc, F. Bour- darot, K. Prokes, W. Schmidt, R. Daou, S. Zherlitsyn, N. Islam, N. H. Kolnes, A. B. Kademane, A. Schilling, and B. Lake, “Neutron diffraction of field-induced magnon condensation in the spin-dimerized antiferromag...

    2021

  64. [72]

    Magnetic structure and magnetoelectric properties of the spin-flop phase in LiFePO 4,

    S. Holm-Janas, M. Akaki, E. Fogh, T. Kihara, M. D. Le, P. C. Forino, S. E. Nikitin, T. Fennell, A. Painganoor, D. Vaknin, M. Watanabe, N. B. Christensen, H. Nojiri, and R. Toft- Petersen, “Magnetic structure and magnetoelectric properties of the spin-flop phase in LiFePO 4,” P...

    2024

  65. [73]

    Room temperature magneto- electric magnetic spirals by design,

    A. Romaguera and M. Medarde, “Room temperature magneto- electric magnetic spirals by design,” Front. Mater. 11, 144876 (2024)

    2024

  66. [74]

    The 40 T Superconduct- ing Magnet Project at the National High Magnetic Field Labo- ratory,

    H. Bai, M. D. Bird, L. D. Cooley, I. R. Dixon, K. L. Kim, D. C. Larbalestier, W. S. Marshall, U. P. Trociewitz, H. W. Weijers, D. V . Abraimov, and G. S. Boebinger, “The 40 T Superconduct- ing Magnet Project at the National High Magnetic Field Labo- ratory,” IEEE Trans. Appl. ...

    2020

  67. [75]

    Skyrmion Lattice in a Chiral Magnet,

    S. Mühlbauer, B. Binz, F. Jonietz, C. Pfleiderer, A. Rosch, A. Neubauer, R. Georgii, and P. Böni, “Skyrmion Lattice in a Chiral Magnet,” Science 323, 915–919 (2009)

    2009

  68. [76]

    Conventional superconductivity in the doped kagome su- perconductor Cs(V0.86Ta0.14)3Sb5 from vortex lattice studies,

    Y . Xie, N. Chalus, Z. Wang, W. Yao, J. Liu, Y . Yao, J. S. White, L. M. DeBeer-Schmitt, J.-X. Yin, P. Dai, and M. R. Eskild- sen, “Conventional superconductivity in the doped kagome su- perconductor Cs(V0.86Ta0.14)3Sb5 from vortex lattice studies,” Nat. Commun. 15, 6467 (2024)

    2024

  69. [3000]

    The ceramic is more trans- parent to neutrons than, for example, tungsten carbide, but it is brittle compared to metallic BeCu

    is the material choice for the piston in order to minimize the absorption of incoming neutrons when they travel through the piston to reach the sample. The ceramic is more trans- parent to neutrons than, for example, tungsten carbide, but it is brittle compared to metallic BeC...

    2000

Pith tools

Reviewed August 11, 2026 · model on record in the stance chip above.