Dolomite Mineral-Inspired Equilateral Triangular-Lattice Magnets for Quantum Magnetism

Bo Wen; Jianqiao Wang; Shu Guo; Yang Zhao; Zhaoyi Li; Zhibin Qiu

REVIEW 3 major objections 4 minor 8 references

Dolomite Mineral-Inspired Equilateral Triangular-Lattice Magnets for Quantum Magnetism

T0 review · 3 major / 4 minor · reviewed 2026-08-02 · deepseek-v4-flash

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Pith's one-line read This paper claims that the dolomite-type borates SnCo(BO3)2 and SnMn(BO3)2 host equilateral triangular lattices of magnetic Co2+ and Mn2+ ions with dominant antiferromagnetic interactions, ordering at 0.49 K and 0.96 K, and that the dolomit

desk verdict Solid first magnetic characterization of two new triangular-lattice antiferromagnets, with a 'structurally perfect platform' claim that needs more evidence on cation ordering before it can be taken literally. read the letter →

arxiv 2607.13949 v1 pith:W2TI4L4Q submitted 2026-07-15 cond-mat.mtrl-sci

Yang Zhao , Zhaoyi Li , Zhibin Qiu , Jianqiao Wang , Bo Wen , Shu Guo This is my paper · ORCID

classification cond-mat.mtrl-sci

keywords dolomitestructuretriangularlatticegeometricalfrustrationantiferromagnetismSnCo(BO3)2Mn(BO3)2adiabaticdemagnetizationrefrigerationquantummagnetism

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 two new low-temperature antiferromagnets, SnCo(BO3)2 and SnMn(BO3)2, in which magnetic Co2+ or Mn2+ ions sit on equilateral triangular lattices separated by nonmagnetic Sn2+ layers. Magnetic susceptibility and specific heat show dominant antiferromagnetic couplings with Néel temperatures of 0.49 K and 0.96 K, well below the Curie–Weiss temperatures, giving frustration ratios of about 3 and 6.9. The paper argues that the natural-mineral dolomite structure type M'M(X)2 is a structurally perfect and chemically flexible platform for making equilateral triangular-lattice magnets: the M' and M sites can accommodate different valence combinations and the CO32- or BO33- bridges set the exchange paths. If right, these are model systems for studying geometrical frustration and for sub-kelvin adiabatic demagnetization refrigeration.

What carries the argument

The dolomite-type structure (space group R-3, derived from calcite by ordered alternation of M' and M cations) places the magnetic M cations on an equilateral triangular lattice within each layer; the magnetic coupling runs through a super-super-exchange M–O–B–O–M path via triangular BO3 groups. The A-B-C layer stacking adds potential interlayer geometric frustration via magnetic pyramidal units. This structure is the load-bearing object: it guarantees threefold symmetry and hence equilateral nearest-neighbor triangles.

What would settle it

A structure refinement that includes a disorder model (allowing Co or Mn to occupy the Sn site and vice versa) using high-resolution powder or single-crystal X-ray/neutron diffraction would settle the issue: if the M-site occupancy deviates from unity by more than a few percent, the supposed equilateral triangular lattice becomes a distribution of triangles with different exchange constants, and the frustration ratios would lose their meaning.

Watch

Extended reading notes

Core claim

SnM(BO3)2 (M = Co, Mn) crystallizes in the dolomite structure (space group R-3), in which the magnetic M2+ ions occupy ordered M sites and form equilateral triangular planes stacked in an A-B-C sequence, with nearest-neighbor distances of 4.72–4.77 Å and magnetic layers separated by about 5.7 Å. Measurements are interpreted as showing dominant antiferromagnetic interactions (Weiss temperatures −1.45 K for Co and −6.62 K for Mn), no magnetic order above 1.8 K, and sharp λ-anomalies in specific heat at TN = 0.49 K and 0.96 K. The authors conclude that the dolomite-type M'M(X)2 family, with exchange paths of the form M–O–B–O–M, is a chemically flexible and structurally ordered platform for equi

Load-bearing premise

The perfect equilateral triangular lattice assumes complete ordering of the M and M' cations; the paper states that the dolomite structure 'tends to form a relatively ordered structure' but does not quantify antisite disorder, so the frustration interpretation rests on unverified site order.

Editorial extensions

If this is right

SnCo(BO3)2 and SnMn(BO3)2 are two new equilateral triangular-lattice antiferromagnets with frustration ratios f = 2.96 and 6.90, placing them among frustrated magnets where magnetic order is strongly suppressed.
The dolomite M'M(X)2 family can host magnetic cations with different spin sizes (here S = 1/2-like Co2+ and S = 5/2 Mn2+), enabling study of quantum versus semiclassical frustration in the same lattice geometry.
These materials show measurable low-temperature magnetocaloric response (−ΔSMmax = 13.71 and 21.43 J kg−1 K−1), indicating potential for sub-kelvin adiabatic demagnetization refrigeration.
The A-B-C stacking of the triangular layers implies a magnetic framework with pyramidal units, so interlayer frustration may be at play, not only intralayer triangular frustration.
Substituting other M'/M cations or exchanging BO3 for CO3 groups would generate many more triangular-lattice magnets within the same structural prototype.

Reading between the lines

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

If site order is as clean as the paper assumes, SnCo(BO3)2, a small-spin (effective S = 1/2) Co2+ triangular lattice with strong frustration, may be a promising candidate for spin-liquid or spin-supersolid phenomena; the paper does not make this claim.
The family's tolerance of different valence pairs (+4/+2, +3/+3, +1/+5) suggests one could engineer nearly ideal isotropic S = 1/2 triangular lattices (e.g., Cu2+ on M sites) or large-spin lattices for stronger magnetocaloric response; this is an extension beyond the paper.
A direct test of the platform claim would be to synthesize a third member with a different magnetic ion and confirm that the triangular lattice and frustration survive; the paper does not report such a compound.

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Editorial analysis

A structured set of objections, weighed in public.

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

Desk Editor's Note

read the letter

What you should know: this paper reports the first magnetic and thermodynamic study of SnCo(BO3)2 and SnMn(BO3)2, and the core experimental claim holds up. The lambda-shaped specific-heat peaks at 0.49 K and 0.96 K are clean evidence of magnetic ordering, the Weiss temperatures are sensible for antiferromagnets, and the magnetocaloric estimates are a nice practical addition. The authors also correctly note that the crystal structures were already known; the new content is the magnetism, and that is real progress for the dolomite-type borate family.

What it does well: the susceptibility and heat-capacity measurements are careful, with a proper 3He insert for sub-kelvin work, and the entropy recovery (4.63 and 13.55 J mol−1 K−1) is consistent with effective spin-1/2 Co2+ and S = 5/2 Mn2+. The frustration factors of 2.96 and 6.90 are plausible for this kind of material. The paper is honest that the structures came from earlier work; the magnetic data are new and will be useful to anyone working on triangular-lattice frustrated magnets.

Soft spots, in order of severity. First, the 'structurally perfect equilateral triangular lattice' framing rests on the assumption that the M' and M sites are fully ordered in the R-3 structure. The paper only says the materials 'tend to form a relatively ordered structure' and no site-occupancy refinement against a disorder model is reported. I don't think this is fatal: the sharp lambda peaks and the large Sn versus Co/Mn X-ray scattering contrast make substantial antisite mixing unlikely. But a quantitative bound would settle it, and the word 'perfect' is doing a lot of work. Second, there are internal inconsistencies that need cleaning up: the text quotes Curie-Weiss fits of 2–20 K and 50–200 K, while Table S2 lists SCBO fitted at 100–250 K; the TN from susceptibility (0.61 K) differs from the specific-heat value (0.49 K); and the two-Debye equation in the main text looks garbled (the integrand and upper limit are written incorrectly). These are fixable but currently undermine confidence in the analysis. Third, no raw data are deposited, which makes independent verification harder than it should be.

Who this is for: experimentalists in frustrated magnetism and low-temperature magnetocalorics will get genuine value. The paper deserves a serious referee: the central claim is defensible, the measurements are solid, and the platform idea, if qualified, is worth testing on other members of the dolomite family. I would accept it for peer review, with the expectation of moderate revision: quantify the cation ordering, fix the internal inconsistencies, and soften 'structurally perfect' to 'structurally well ordered' unless the refinements support it.

Referee Report

3 major / 4 minor

Summary. The paper reports the synthesis, structure, magnetism, and low-temperature thermodynamics of two dolomite-type borates, SnCo(BO3)2 and SnMn(BO3)2. On the basis of powder X-ray diffraction and Rietveld refinement, the authors propose that the magnetic Co2+/Mn2+ ions form equilateral triangular lattices separated by nonmagnetic Sn2+ layers. Susceptibility, magnetization, and specific-heat measurements indicate dominant antiferromagnetic interactions and long-range order at TN = 0.49 K (SCBO) and 0.96 K (SMBO). The authors extract Weiss temperatures from Curie-Weiss fits, estimate magnetic frustration parameters f = 2.96 and 6.90, separate the phonon contribution with a two-Debye model, recover magnetic entropies, and assess the magnetocaloric response. They conclude that dolomite-type M'M(X)2 compounds constitute a chemically flexible and structurally perfect platform for triangular-lattice frustrated magnetism and sub-kelvin refrigeration.

Significance. If the structural and magnetic interpretations hold, the paper identifies two new triangular-lattice antiferromagnets and, more importantly, a promising mineral-inspired design strategy for a broader family of equilateral triangular-lattice magnets. The low Néel temperatures and sizable magnetic entropy changes are of genuine interest for both frustrated magnetism and adiabatic demagnetization refrigeration. The main experimental credential is the observation of sharp lambda-type specific-heat anomalies, which provide clear evidence of magnetic ordering, together with well-recovered magnetic entropies. However, the strength of the paper's central claim—'structurally perfect equilateral TL'—rests on an unquantified cation-ordering assumption, and one of the Curie-Weiss fits is internally inconsistent. These issues require resolution before the platform claim can be accepted.

major comments (3)

[Structure (Fig. 1a; Table S1)] The central 'structurally perfect equilateral TL' claim assumes that the Sn and M (Co, Mn) cations are fully ordered on the M' and M sites. The text only states that these compounds 'tend to form a relatively ordered structure'; no site-occupancy refinement against an antisite or calcite-type disorder model is reported. A few percent of mixing would break the ideal triangular lattice and broaden the magnetic transition. Please provide refined site occupancies or a quantitative upper bound from the Rietveld analysis, or soften the 'structurally perfect' claim accordingly.
[Magnetic susceptibility and Table S2] The Curie-Weiss fit ranges in the main text and Table S2 are inconsistent. The text reports fits in the ranges 2–20 K and 50–200 K for SCBO and SMBO, giving Θ = −1.45 K and −6.62 K, respectively. Table S2 additionally lists a 100–250 K fit for SCBO with Θ = −16.19 K and μeff = 5.41 μB, which is never discussed. The frustration factor f = 2.96 for SCBO is calculated from the low-temperature Θ alone; using the tabulated high-temperature value would change f to about 33. Please justify the choice of fit range, report the sensitivity of Θ to the fitting window, and discuss the discrepancy.
[Specific heat and χ(T), Figs. 2c and 3a] For SCBO, the text states that a sharp susceptibility anomaly near 0.61 K signals the onset of long-range order, while the lambda anomaly in specific heat gives TN = 0.49 K. The difference is neither discussed nor reconciled. If both measurements were performed on the same sample in comparable conditions, the 0.12 K discrepancy needs an explanation; this is directly relevant to the reported ordering temperature.

minor comments (4)

[Table S1] The formula weight and Z values appear inconsistent. For SnCo(BO3)2 the molar mass is about 295 g mol−1; the listed 878.29 with Z = 1 suggests that either Z should be 3 or the formula weight is actually the cell content. Please correct this and check the same for SnMn(BO3)2.
[Two-Debye model, Eq. (1)] The integrand is written as 'x4e4/(ex-1)2'; please use proper notation, e.g., x^4 e^x / (e^x − 1)^2, to avoid ambiguity.
[Main text, Fig. 2c] The phrase 'no obvious anomaly indicative of LRMO above 1.8 K' is followed by a description of a sharp anomaly near 0.61 K. Please clarify the measurement conditions and avoid the apparent contradiction.
[Table 1] The valence-state combination row lists entries as (+4,+2), (+3,+3), (+2,+2), (+1,+5) but the columns are not aligned with the compounds. Please adjust the table layout for clarity.

Circularity Check

0 steps flagged · score 0.0 of 10

No significant circularity: the central results are direct measurements and standard fits; no prediction reduces to its own input.

full rationale

The paper's central claims are experimental characterizations: Rietveld-refined crystal structures, Curie-Weiss fitted susceptibilities, specific-heat anomalies, and derived frustration ratios. There is no derivation chain in which an output quantity is defined in terms of the quantity it is said to explain or predict. The Curie-Weiss parameters are fitted to susceptibility data and then used with the independently measured TN to form f=|Theta|/TN; this is a standard ratio of separately determined quantities, not a relabeled fit. The two-Debye phonon model is used as a background subtraction, and the resulting magnetic entropy is compared with, not constrained to, Rln2/Rln6. The only potentially load-bearing structural assumption is cation ordering: the paper states that these materials 'tend to form a relatively ordered structure' without quantifying antisite disorder. That is an unverified assumption and a correctness risk, but it is not circular: the structural model is not defined in terms of the magnetic conclusion, nor is the magnetic conclusion derived from a parameter already containing it. The self-citations (e.g., refs. 9, 10, 14, 18, 20, 33) are contextual examples and prior related work; none is invoked as a uniqueness theorem or as the sole justification for the central claim. The dolomite prototype itself is supported by independent mineralogical and structural references (refs. 22-24, 31-32). No specific equation or fitted parameter is renamed as a prediction, so no circular step can be exhibited.

Assumptions & free parameters 3 free parameters · 4 assumptions · 0 invented entities

No fundamentally new physical entities are introduced. The central claims rest on standard structural symmetry assumptions, on fitted Curie-Weiss and phonon parameters, and on the assumed perfect ordering of the magnetic sublattice.

free parameters (3)

Curie-Weiss parameters (Weiss temperature Θ and effective moment μeff) = SCBO: Θ = -1.45 K, μeff = 4.16 μB (2-20 K fit); SCBO also fitted 100-250 K gives Θ = -16.19 K, μeff = 5.41 μB. SMBO: Θ =
Used to infer antiferromagnetic interactions and frustration factors f = |Θ|/TN. The values depend strongly on the chosen fit range, which is itself a modeling choice.
Two-Debye phonon model parameters (Θ_D1, Θ_D2, C1, C2) = Not explicitly reported numerically in the main text or SI
Fitted to total specific heat and subtracted to isolate magnetic entropy. The resulting magnetic entropy and magnetocaloric estimates depend on this phonon-subtraction model.
Van Vleck paramagnetic background coefficient for SCBO = Not reported numerically; described as a linear subtraction above 3 T
The saturation moment of 2.13 μB for SCBO is obtained only after subtracting this fitted background, so the spin-only interpretation depends on it.

assumptions (4)

domain assumption The R-3 dolomite space group forces both cation sites to form equilateral triangular lattices.
Structural symmetry argument used throughout; relies on the correctness of the assigned space group and the refined structural model.
ad hoc to paper The M' and M cation sites are fully ordered with negligible antisite mixing.
The paper states the structure is 'relatively ordered' but does not quantify the degree of order. If cation disorder exists, the equilateral-lattice picture is compromised. This is the weakest structural premise.
domain assumption The phonon contribution to specific heat can be modeled by a two-Debye function and extrapolated to low temperatures.
Used to extract magnetic specific heat and entropy. Any error in the phonon model propagates into the reported magnetic entropy and magnetocaloric values.
domain assumption Co2+ in this compound behaves as an effective spin-1/2 system at low temperatures.
Lifted from prior literature on other Co2+ triangular-lattice magnets; used to compare recovered entropy to Rln2.

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Cite this review

Pith. "Pith review of Dolomite Mineral-Inspired Equilateral Triangular-Lattice Magnets for Quantum Magnetism." pith.science (2026). https://pith.science/paper/W2TI4L4Q

@misc{pith2026260713949,
  author       = {Pith},
  title        = {Pith review of: Dolomite Mineral-Inspired Equilateral Triangular-Lattice Magnets for Quantum Magnetism},
  year         = {2026},
  howpublished = {\url{https://pith.science/paper/W2TI4L4Q}},
  note         = {Machine review of arXiv:2607.13949}
}

read the original abstract

Equilateral triangular lattice magnets provide a versatile materials platform for exploring exotic quantum spin phenomena, while their field-tunable magnetic entropy offers opportunities for low-temperature adiabatic demagnetization refrigeration. Inspired by the natural mineral, we proposed a chemical strategy to achieve equilateral TL magnets, leveraging the high crystal symmetry of a large family of dolomite-type materials. As typical examples, the dolomite-type materials SnM(BO3)2 (M = Co, Mn) were synthesized, and structural analysis reveals that Co2+ and Mn2+ ions form equilateral triangular lattices with an A-B-C stacking fashion. The magnetic susceptibilities and specific heat measurements reveal dominant antiferromagnetic interactions, with Neel temperatures of 0.49K for SnCo(BO3)2 and 0.96K for SnMn(BO3)2, respectively. Our results establish the dolomite-type M'M(X)2 (M'and M sites allow various valence states, e.g., +4/+2 or +3/+3; X = CO32- or BO33-) system as a chemically flexible and structurally perfect material platform for exploring frustrated magnetism and low-temperature magnetocaloric applications.

Figures

Figures reproduced from arXiv: 2607.13949 by the authors.

**Figure 3.** Thermodynamics. (a, b) Temperature-dependent specific heat Cp(T) of SnM(BO3)2 (M = Co, Mn) under various applied magnetic fields. (c, d) Zero-field Cp(T), where the black dashed lines indicate the phonon contribution obtained from fitting the zero-field Cp(T) with a Two-Debye model, and the solid lines correspond to extrapolations of these fits. (e,f) Zero-field magnetic specific heat divided by temperature, CM/T, a… view at source ↗

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Reference graph

Works this paper leans on

8 extracted references

[1]

(1) Chalker, J. T. Spin liquids and frustrated magnetism. Topological Aspects of Condensed Matter Physics 2017, 123-164. (2) Starykh, O. A. Unusual ordered phases of highly frustrated magnets: a review. Rep. Prog. Phys. 2015, 78 (5), 052502. (3) Sheng, J.; Mei, J.-W.; Wang, L.; Xu, X.; Jiang, W.; Xu, L.; Ge, H.; Zhao, N.; Li, T.; Candini, A. Bose –Einstei...

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Thermal expansion anisotropy of dolomite -type borates Me2+Me4+B2O6

(25) Bater, G. Thermal expansion anisotropy of dolomite -type borates Me2+Me4+B2O6. Z. Kristallogr. Cryst. Mater. 1971, 133 (1-6), 85-90. (26) Doi, Y.; Satou, T.; Hinatsu, Y. Crystal structures and magnetic properties of lanthanide containing borates LnM(BO3)2 (Ln = Y, Ho–Lu; M = Sc, Cr). J. Solid State Chem. 2013, 206, 151-157. (27) Blasse, G.; Sas, S.; ...

1971
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Ramdohr P

(24) Ehrenberg H. ; Ramdohr P . Ü ber die Struktur der Nordenskiöldinit. Neues Jahrb. Mineral. Beil. 1934, 69,

1934
[42]

The Rietveld refinements of the room-temperature powder X-ray diffraction (P-XRD) patterns (Figures S2) show excellent agreement between simulation and experiment

The relevant unit cell parameters are summarized in Table S1. The Rietveld refinements of the room-temperature powder X-ray diffraction (P-XRD) patterns (Figures S2) show excellent agreement between simulation and experiment. The low values of the reliability factors ( Rwp = 1.57% and 2 = 3.14 for SCBO; Rwp = 3.45% and χ² = 4.02 for SMBO) confirm the acc...

2004
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A.; Hawthorne, F

(41) Cooper, M. A.; Hawthorne, F. C.; Novak, M.; Taylor, M. C. The crystal structure of tusionite, Mn 2+Sn4+(BO3)2, a dolomite - structure borate. Can. Mineral. 1994, 32 (4), 903-907. 7 Supporting information Dolomite Mineral -Inspired Equilateral Triangular -Lattice Magnets for Quantum Magnetism 8 Experimental Details and Extended Discussion Material Syn...

1994
[95]

Experimental realization of a spin -1/2 triangular -lattice Heisenberg antiferromagnet

(35) Shirata, Y.; Tanaka, H.; Matsuo, A.; Kindo, K. Experimental realization of a spin -1/2 triangular -lattice Heisenberg antiferromagnet. Phys. Rev. Lett. 2012, 108 (5), 057205. (36) Cullity, B. D.; Smoluchowski, R. Elements of X‐ray Diffraction. Phys. Today 1957, 10 (3), 50-50. (37) Li, L.; Hu, X.; Liu, Z.; Yu, J.; Cheng, B.; Deng, S.; He, L.; Cao, K.;...

2012
[1981]

Etude de borates MeMe ’(BO3)2 de structure dolomite

(30) Vicat, J.; Aléonard, S. Etude de borates MeMe ’(BO3)2 de structure dolomite. Mater. Res. Bull. 1968, 3 (7), 611-620. (31) Wittmann, S.; Murshed, M. M.; Bilovol, V.; Gesing, T. M. Synthesis, structural and spectroscopic investigations of dolomite - type MSn(BO3)2 with M = Mn, Fe, Co and Ni. Z. Kristallogr. Cryst. Mater. 2023, 238 (5-6), 167-175. (32) ...

1968
[4216]

Spin supersolidity in nearly ideal easy-axis triangular quantum antiferromagnet Na 2BaCo(PO4)2

(40) Gao, Y.; Fan, Y.-C.; Li, H.; Yang, F.; Zeng, X.-T.; Sheng, X.-L.; Zhong, R.; Qi, Y.; Wan, Y.; Li, W. Spin supersolidity in nearly ideal easy-axis triangular quantum antiferromagnet Na 2BaCo(PO4)2. npj Quantum Mater. 2022, 7 (1),

2022

Pith tools

Reviewed August 2, 2026 · model on record in the stance chip above.

[1] [1]

(1) Chalker, J. T. Spin liquids and frustrated magnetism. Topological Aspects of Condensed Matter Physics 2017, 123-164. (2) Starykh, O. A. Unusual ordered phases of highly frustrated magnets: a review. Rep. Prog. Phys. 2015, 78 (5), 052502. (3) Sheng, J.; Mei, J.-W.; Wang, L.; Xu, X.; Jiang, W.; Xu, L.; Ge, H.; Zhao, N.; Li, T.; Candini, A. Bose –Einstei...

2017

[2] [3]

Thermal expansion anisotropy of dolomite -type borates Me2+Me4+B2O6

(25) Bater, G. Thermal expansion anisotropy of dolomite -type borates Me2+Me4+B2O6. Z. Kristallogr. Cryst. Mater. 1971, 133 (1-6), 85-90. (26) Doi, Y.; Satou, T.; Hinatsu, Y. Crystal structures and magnetic properties of lanthanide containing borates LnM(BO3)2 (Ln = Y, Ho–Lu; M = Sc, Cr). J. Solid State Chem. 2013, 206, 151-157. (27) Blasse, G.; Sas, S.; ...

1971

[3] [4]

Ramdohr P

(24) Ehrenberg H. ; Ramdohr P . Ü ber die Struktur der Nordenskiöldinit. Neues Jahrb. Mineral. Beil. 1934, 69,

1934

[4] [42]

The Rietveld refinements of the room-temperature powder X-ray diffraction (P-XRD) patterns (Figures S2) show excellent agreement between simulation and experiment

The relevant unit cell parameters are summarized in Table S1. The Rietveld refinements of the room-temperature powder X-ray diffraction (P-XRD) patterns (Figures S2) show excellent agreement between simulation and experiment. The low values of the reliability factors ( Rwp = 1.57% and 2 = 3.14 for SCBO; Rwp = 3.45% and χ² = 4.02 for SMBO) confirm the acc...

2004

[5] [89]

A.; Hawthorne, F

(41) Cooper, M. A.; Hawthorne, F. C.; Novak, M.; Taylor, M. C. The crystal structure of tusionite, Mn 2+Sn4+(BO3)2, a dolomite - structure borate. Can. Mineral. 1994, 32 (4), 903-907. 7 Supporting information Dolomite Mineral -Inspired Equilateral Triangular -Lattice Magnets for Quantum Magnetism 8 Experimental Details and Extended Discussion Material Syn...

1994

[6] [95]

Experimental realization of a spin -1/2 triangular -lattice Heisenberg antiferromagnet

(35) Shirata, Y.; Tanaka, H.; Matsuo, A.; Kindo, K. Experimental realization of a spin -1/2 triangular -lattice Heisenberg antiferromagnet. Phys. Rev. Lett. 2012, 108 (5), 057205. (36) Cullity, B. D.; Smoluchowski, R. Elements of X‐ray Diffraction. Phys. Today 1957, 10 (3), 50-50. (37) Li, L.; Hu, X.; Liu, Z.; Yu, J.; Cheng, B.; Deng, S.; He, L.; Cao, K.;...

2012

[7] [1981]

Etude de borates MeMe ’(BO3)2 de structure dolomite

(30) Vicat, J.; Aléonard, S. Etude de borates MeMe ’(BO3)2 de structure dolomite. Mater. Res. Bull. 1968, 3 (7), 611-620. (31) Wittmann, S.; Murshed, M. M.; Bilovol, V.; Gesing, T. M. Synthesis, structural and spectroscopic investigations of dolomite - type MSn(BO3)2 with M = Mn, Fe, Co and Ni. Z. Kristallogr. Cryst. Mater. 2023, 238 (5-6), 167-175. (32) ...

1968

[8] [4216]

Spin supersolidity in nearly ideal easy-axis triangular quantum antiferromagnet Na 2BaCo(PO4)2

(40) Gao, Y.; Fan, Y.-C.; Li, H.; Yang, F.; Zeng, X.-T.; Sheng, X.-L.; Zhong, R.; Qi, Y.; Wan, Y.; Li, W. Spin supersolidity in nearly ideal easy-axis triangular quantum antiferromagnet Na 2BaCo(PO4)2. npj Quantum Mater. 2022, 7 (1),

2022