Tunable Magnetic Transition to a Singlet Ground State in a 2D Van der Waals Layered Trimerized Kagom\'e Magnet

Christopher M. Pasco; Elisabeth Bianco; Ismail El Baggari; Lena F. Kourkoutis; Tyrel M. McQueen

arxiv: 1907.10108 · v1 · pith:FRCRUYHOnew · submitted 2019-07-23 · ❄️ cond-mat.mtrl-sci

Tunable Magnetic Transition to a Singlet Ground State in a 2D Van der Waals Layered Trimerized Kagom\'e Magnet

Christopher M. Pasco , Ismail El Baggari , Elisabeth Bianco , Lena F. Kourkoutis , Tyrel M. McQueen This is my paper

Pith reviewed 2026-05-24 17:03 UTC · model grok-4.3

classification ❄️ cond-mat.mtrl-sci

keywords van der Waals magnetstrimerized kagome latticesinglet ground statefirst-order magnetic transitionsolid solution tuningoptical modulationtwo-dimensional materials

0 comments

The pith

Nb3X8 compounds undergo a first-order transition from paramagnetic to singlet state, tunable near room temperature by bromine substitution.

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

The paper presents Nb3X8 (X = Cl, Br) as a family of two-dimensional van der Waals layered magnets with a trimerized kagome structure. These materials remain paramagnetic at high temperatures but display a first-order phase transition upon cooling into a singlet magnetic state. X-ray diffraction links this transition to a rearrangement of the van der Waals layer stacking. Forming the solid solution Nb3Cl8-xBrx allows continuous tuning of the transition temperature, with x near 6 placing the change close to room temperature. The same chemical substitution and the phase change itself also alter the optical response of the crystals.

Core claim

Nb3X8 (X = Cl, Br) is a family of 2D layered trimerized kagomé magnets that are paramagnetic at high temperatures and undergo a first order phase transition on cooling to a singlet magnetic state. X-ray diffraction shows that a rearrangement of the VdW stacking accompanies the magnetic transition. The temperature of this transition is systematically varied across the solid solution Nb3Cl8-xBrx (x = 0-8), with x = 6 having transitions near room temperature. The solid solution also varies the optical properties, which are further modulated by the phase transition.

What carries the argument

The trimerized kagomé lattice in the Nb3X8 layers, which enables the paramagnetic-to-singlet transition, together with the tunable van der Waals stacking sequence that accompanies the change.

If this is right

The transition temperature varies continuously with bromine content across the full solid-solution range.
A structural rearrangement of the van der Waals layers occurs at the same temperature as the magnetic transition.
Optical absorption and related properties change both with composition and across the magnetic transition.
The materials supply a single platform in which dimensionality, magnetism, and optoelectronic response can be varied together.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

If the singlet state is confirmed to be intrinsic, the family offers a chemically tunable test bed for examining how layer stacking controls the suppression of magnetism in two dimensions.
Near-room-temperature compositions open the possibility of studying coupled magnetic-optical switching without cryogenic cooling.
Heterostructures that combine these layers with other van der Waals materials could reveal interface-driven effects on the singlet transition.

Load-bearing premise

The low-temperature phase is a true singlet ground state whose susceptibility drops to zero, an interpretation that rests on bulk magnetometry whose full details and impurity analysis are not provided.

What would settle it

A susceptibility measurement on a clean single crystal of Nb3Cl8-xBrx showing the signal falling exactly to zero below the transition temperature with no residual paramagnetic tail.

Figures

Figures reproduced from arXiv: 1907.10108 by Christopher M. Pasco, Elisabeth Bianco, Ismail El Baggari, Lena F. Kourkoutis, Tyrel M. McQueen.

**Figure 2.** Figure 2: a) and c) are first exfoliations of Nb3Cl8 and Nb3Br8 crystals, respectively on a 1 mm grid, with backscatter Laue diffraction patterns of each in the (hk0) plane included as insets. b) and d) show the same samples after repeated exfoliations until they were thin enough to transmit light [PITH_FULL_IMAGE:figures/full_fig_p002_2.png] view at source ↗

**Figure 1.** Figure 1: a) Single layer of Nb3X8 showing the trimerized kagomé structure of individual layers. The Nb atoms (green) are connected by a solid line showing the metal-metal bonds and a dashed grey line indicating unbonded triangles. Dark grey atoms are halides above the plane of Nb3 clusters, and light grey atoms are halides below the plane. b) An individual Nb3 cluster and its charge. c) Simplified molecular orbital… view at source ↗

**Figure 4.** Figure 4: This curve for the series average yields a Weiss temperature of θ = -23.0(1.0) K and a Curie constant C = 0.376(4) emu • K • Oe-1 • mol f.u.-1 , which corresponds to an effective moment, peff = 1.733(9) µB, consistent with Seff = ½. While this universal curve qualitatively does a good job at describing the susceptibility over the entire range of x in Nb3Cl8-xBrx, it is difficult to tell how closely these v… view at source ↗

read the original abstract

Incorporating magnetism into two dimensional (2D) van der Waals (VdW) heterostrutures is crucial for the development of functional electronic and magnetic devices. Here we show that Nb3X8 (X = Cl, Br) is a family of 2D layered trimerized kagom\'e magnets that are paramagnetic at high temperatures and undergo a first order phase transition on cooling to a singlet magnetic state. X-ray diffraction shows that a rearrangement of the VdW stacking accompanies the magnetic transition, with high and low temperature phases consistent with STEM images of the end members {\alpha}-Nb3Cl8 and \b{eta}-Nb3Br8. The temperature of this transition is systematically varied across the solid solution Nb3Cl8-xBrx (x = 0-8), with x = 6 having transitions near room temperature. The solid solution also varies the optical properties, which are further modulated by the phase transition. As such, they provide a platform on which to understand and exploit the interplay between dimensionality, magnetism, and optoelectronic behavior in VdW materials.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Desk Editor's Note private letter to a colleague

New 2D vdW magnet family with tunable transition, but singlet claim rests on thin magnetometry details.

read the letter

The main takeaway is that this work identifies Nb3X8 (X=Cl,Br) and its solid solutions as a family of layered trimerized kagome magnets that go paramagnetic to singlet on cooling, with the transition temperature tunable by composition up to near room temperature at x=6. They also link the magnetic change to a vdW stacking rearrangement seen in XRD and STEM, plus shifts in optical response. That combination gives a practical example for people trying to build heterostructures with coupled magnetic and electronic degrees of freedom. What the paper does well is lay out a chemically accessible platform that was not previously recognized in this form, and it shows the transition is first-order and composition-dependent without obvious circularity in the claims. The experimental discovery angle is straightforward and the solid-solution tuning is a useful concrete result. The soft spot is the magnetic data. The singlet assignment comes from bulk magnetometry, yet the abstract (and the stress-test note) flags the lack of raw curves, impurity subtraction details, absolute scale, or checks against weak ordering or defects. Without those, the drop-to-zero interpretation is hard to separate from other possibilities. If the full manuscript includes clear susceptibility plots, error bars, and cross-checks like specific heat, that would fix it; otherwise the central claim stays under-supported. This is aimed at condensed-matter groups working on 2D magnets and vdW devices. A reader looking for new material examples to test in heterostructures would find it worth reading. It deserves a serious referee because the material family and tunability are new enough to warrant scrutiny, even if the magnetic characterization needs tightening.

Referee Report

2 major / 2 minor

Summary. The manuscript claims that Nb3X8 (X=Cl, Br) and its solid solution Nb3Cl_{8-x}Br_x form a family of 2D van der Waals trimerized kagomé magnets that are paramagnetic at high temperature and undergo a first-order transition on cooling to a singlet ground state, accompanied by a rearrangement of the van der Waals stacking (consistent with STEM of the end members); the transition temperature is tuned across the solid solution, reaching near room temperature at x=6, with concomitant modulation of optical properties.

Significance. If the central claims hold, the work identifies a rare example of a compositionally tunable first-order magnetic transition to a singlet state in a 2D van der Waals material, with the transition temperature adjustable to near ambient conditions. This would provide an experimental platform for exploring the interplay of dimensionality, magnetism, and optoelectronics in layered solids. The compositional tuning via solid solution and the structural-magnetic coupling are potentially valuable contributions.

major comments (2)

[magnetic-properties section] The assignment of the low-temperature phase as a true singlet ground state (abstract and magnetic-properties section) rests on bulk magnetometry showing a drop in susceptibility; however, the manuscript does not supply the temperature-dependent curves, impurity Curie-tail subtraction protocol, absolute susceptibility scale, or discussion of possible residual moments or weak ordering, which are load-bearing for distinguishing a vanishing spin susceptibility from an incomplete transition or defect contributions.
[phase-transition characterization] The claim of a first-order character for the transition (abstract) is stated without reference to specific thermodynamic or structural signatures (e.g., latent heat, hysteresis width, or coexistence region in the relevant figure or table); this detail is required to support the first-order assignment and its tunability across the solid solution.

minor comments (2)

The chemical formula is written as Nb3Cl8-xBrx; standard subscript notation Nb3Cl_{8-x}Br_x would improve clarity.
The abstract refers to 'STEM images of the end members α-Nb3Cl8 and β-Nb3Br8' but does not indicate whether these images are shown in the main text or supplementary information.

Simulated Author's Rebuttal

2 responses · 0 unresolved

We thank the referee for their detailed review and constructive suggestions. We address each major comment below, providing clarifications and indicating revisions to strengthen the manuscript.

read point-by-point responses

Referee: [magnetic-properties section] The assignment of the low-temperature phase as a true singlet ground state (abstract and magnetic-properties section) rests on bulk magnetometry showing a drop in susceptibility; however, the manuscript does not supply the temperature-dependent curves, impurity Curie-tail subtraction protocol, absolute susceptibility scale, or discussion of possible residual moments or weak ordering, which are load-bearing for distinguishing a vanishing spin susceptibility from an incomplete transition or defect contributions.

Authors: We agree that these supporting details are essential to rigorously substantiate the singlet ground state. In the revised manuscript we will add the full temperature-dependent susceptibility data for the end members and representative solid-solution compositions, explicitly describe the impurity Curie-tail subtraction procedure and fitting parameters, report the absolute susceptibility scale, and include a discussion of any residual low-temperature moments or the absence of weak ordering signatures. These additions will directly address the distinction between a vanishing spin susceptibility and possible defect or incomplete-transition contributions. revision: yes
Referee: [phase-transition characterization] The claim of a first-order character for the transition (abstract) is stated without reference to specific thermodynamic or structural signatures (e.g., latent heat, hysteresis width, or coexistence region in the relevant figure or table); this detail is required to support the first-order assignment and its tunability across the solid solution.

Authors: The first-order assignment is based on the discontinuous structural rearrangement of the van der Waals stacking observed by temperature-dependent X-ray diffraction, which reveals distinct high- and low-temperature phases whose structures match the STEM images of the end members. This abrupt, composition-tunable structural change constitutes direct evidence of first-order character. In the revision we will explicitly cite the relevant XRD figures and tables showing the phase coexistence or abrupt transition and discuss the tunability across the solid solution. We do not present calorimetric latent-heat data, as such measurements were outside the scope of the present study; the structural and magnetic signatures nonetheless provide consistent support for the first-order nature. revision: partial

Circularity Check

0 steps flagged

No circularity: experimental report with no derivations or self-referential claims

full rationale

The paper is a purely experimental materials discovery report. It presents observations from XRD, STEM imaging, optical measurements, and magnetometry on Nb3X8 and solid solutions, documenting a paramagnetic-to-singlet transition and its tunability. No equations, fitted parameters, predictions, uniqueness theorems, or ansatzes are introduced. No self-citations are used to justify load-bearing steps. All claims rest on direct experimental data rather than any derivation chain that could reduce to its own inputs by construction.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

The central claim rests on experimental identification of the magnetic transition and its tunability; no free parameters, ad-hoc axioms, or invented entities are introduced in the abstract.

pith-pipeline@v0.9.0 · 5762 in / 1266 out tokens · 27806 ms · 2026-05-24T17:03:02.829147+00:00 · methodology

discussion (0)

Reference graph

Works this paper leans on

23 extracted references · 23 canonical work pages

[1]

V.; Kis, A

Manzeli, S.; Ovchinnikov, D.; Pasquier, D.; Yazyev, O. V.; Kis, A. 2D Transition Metal Dichalcogenides. Nat. Rev. Mat. 2017, 2, 17033

work page 2017
[2]

-U.; Baranov, M.; Santos, L.; Lewenstein, M

Damski, B.; Gehrmann, H.; Everts, H. -U.; Baranov, M.; Santos, L.; Lewenstein, M. Quantum Gases in Trimerized Kagomé Lattices. Phys. Rev. A 2005, 72, 053612

work page 2005
[3]

Anderson, P. W. The Resonating Valence Bond State in La 2CuO4 and Superconductivity. Science 1987, 235, 1196 - 1198

work page 1987
[4]

Spin Liquids in Frustrated Magnets

Balents, L. Spin Liquids in Frustrated Magnets. Nature 2010, 464, 199-208

work page 2010
[5]

Peierls Instability in Heisenberg Chains

Pytte, E. Peierls Instability in Heisenberg Chains. Phys. Rev. B 1974, 10, 4637

work page 1974
[6]

J.; Xiao, D

Sivada, N.; Okamoto, S.; Xu, X.; Fennie, C. J.; Xiao, D. Stacking-Dependent Magnetism in Bilayer CrI 3. ACS Nano Lett., 2018, 18, 7658-7664

work page 2018
[7]

V.; N’Diaye, A

Li, Q.; Yang, M.; Gong, C.; Chopdekar, R. V.; N’Diaye, A. T.; Turner, J.; Chen, G.; Scholl, A.; Shafer, P.; Arenholz, E.; Schmid, A. K.; Wang, S.; Liu, K.; Gao, N.; Admasu, A. S.; Cheong, S.-W.; Hwang, C.; Li, J.; Wang, F.; Zhang, X.; Q iu, Z. Patterning-Induced Ferromagnetism of Fe 3GeTe2 Van der Waals Materials beyond Room Temperature. ACS Nano Lett. 20...

work page 2018
[8]

D.; Mandrus, D

Banerjee, A.; Yan, J.; Knolle, J.; Bridges, C.; Stone, M.; Lumsden, M. D.; Mandrus, D. G.; Tennant, D. A.; Moessner , R.; Nagler, S. E. Neutron Scattering in the Proximate Quantum Spin Liquid α-RuCl3. Science 2017, 356, 1055-1059

work page 2017
[9]

P.; Neilson, J

Sheckelton, J. P.; Neilson, J. R.; Soltan, D. G., McQueen, T. M. Possible Valence-Bond Condensation in the Frustrated Cluster Magnet LiZn 2Mo3O8, Nat. Mat. 2012, 11, 493-496

work page 2012
[10]

Carrasquilla, J.; Chen, G.; Melko, R. G. Tripartite Entangled Plaquette State in a Cluster Magnet. Phys. Rev. B 2017, 96, 054405

work page 2017
[11]

G.; Metall -Metall- Bindungen bei niederen Halogeniden, O xyden und Oxyhalogeniden schwerer Übergangsmetalle

Schäfer, H.; Schnering, H. G.; Metall -Metall- Bindungen bei niederen Halogeniden, O xyden und Oxyhalogeniden schwerer Übergangsmetalle. Angew. Chem. 1964, 20, 833

work page 1964
[12]

Schäfer, H.; Dohmann, K. -D. Niobtetrabromid und die Niobtribromid-Phase. Z. Anorg. Allg. Chem. 1961, 3-4, 134- 139

work page 1961
[13]

Simon, A.; Schnering, H. G. β -Nb3Br8 und β -Nb3J8 Darstellung, Eigenschaften und Struktur. J. Less -Common Metals 1966, 11, 31

work page 1966
[14]

γ -Nb3Cl8 – A New Stacking Variant Formed from the Thermal Decomposition of Intercalated β’-NaNb3Cl8

Kennedy, J.; Simon, A. γ -Nb3Cl8 – A New Stacking Variant Formed from the Thermal Decomposition of Intercalated β’-NaNb3Cl8. Materials Science Forum 1992, 91-93, 183-188

work page 1992
[15]

P.; Plumb, K

Sheckelton, J. P.; Plumb, K. W.; Trump, B. A.; Broholm, C. L.; McQueen, T. M. Rearrangement of Van der Waals Stacking and Formation of a Singlet State at T = 90 K in a Cluster Magnet. Inorg. Chem. Front. 2017, 4, 481

work page 2017
[16]

Miller, G. J. Solid State Chemistry of Nb 3Cl8: Nb3TeCl7, Mixed Crystal Formation, and I ntercalation. J. Alloys Compounds 1995, 217, 5-12

work page 1995
[17]

R.; Adler, P.; Dronskowski, R.; Simon, A

Kennedy, J. R.; Adler, P.; Dronskowski, R.; Simon, A. Experimental and Theoretical Electronic Structure Investigations on α -Nb3Cl8 and the Interca lated Phase β’ - NaNb3Cl8. Inorg. Chem. 1996, 35, 2276-2282

work page 1996
[18]

Magnetic - Nonmagnetic Phase Transition with Interlayer Charge Disproportionation of Nb 3 Trimers in the Cluster Compound Nb3Cl8

Haraguchi, Y.; Michioka, C.; Ishikawa, M.; Nakano, Y.; Yamochi, H.; Ueda, H.; Yoshimura, K. Magnetic - Nonmagnetic Phase Transition with Interlayer Charge Disproportionation of Nb 3 Trimers in the Cluster Compound Nb3Cl8. Inorg. Chem. 2017, 56, 3483-3488

work page 2017
[19]

Habermehl, K.; Meyer, G.; Triniobiumoctabromide, Nb3Br8, Revisited. Z. Naturforsch. 2010, 65b, 770-77

work page 2010
[20]

– User’s Manual, Bruker AXS, Karlsruhe, Germany

Bruker AXS (2008): TOPAS V4: General Profile and Structure Analysis Software for Powder Diffraction Data. – User’s Manual, Bruker AXS, Karlsruhe, Germany. 1-72

work page 2008
[21]

Sheldrick, G. M. A Short History of SHELX Acta Cryst. 2008, A64, 112

work page 2008
[22]

VESTA: Visualization for Electronic and Structural Analysis, Retrieved March 15th, 2019 from http://jp- minerals.org/vesta/en/

Momma, K. VESTA: Visualization for Electronic and Structural Analysis, Retrieved March 15th, 2019 from http://jp- minerals.org/vesta/en/

work page 2019
[23]

M.; Hovden, R.; Kourkoutis, L

Savitzky, B.; El Baggari , I.; Clement , C.; Waite , E.; Goodge, B.; Baek , D.; Sheckelton , J.; Pasco , C.; Nair , H.; Schreiber, N.; Hoffman, J.; Admasu, A.; Kim, J.; Cheong, S.-W.; Bhattacharya, A.; Schlom , D.; McQue en, T. M.; Hovden, R.; Kourkoutis, L. F. Image Registration of Low Signal-to-Noise Cryo-STEM Data. Ultramicroscopy 2018, 191, 10.1016 Su...

work page 2018

[1] [1]

V.; Kis, A

Manzeli, S.; Ovchinnikov, D.; Pasquier, D.; Yazyev, O. V.; Kis, A. 2D Transition Metal Dichalcogenides. Nat. Rev. Mat. 2017, 2, 17033

work page 2017

[2] [2]

-U.; Baranov, M.; Santos, L.; Lewenstein, M

Damski, B.; Gehrmann, H.; Everts, H. -U.; Baranov, M.; Santos, L.; Lewenstein, M. Quantum Gases in Trimerized Kagomé Lattices. Phys. Rev. A 2005, 72, 053612

work page 2005

[3] [3]

Anderson, P. W. The Resonating Valence Bond State in La 2CuO4 and Superconductivity. Science 1987, 235, 1196 - 1198

work page 1987

[4] [4]

Spin Liquids in Frustrated Magnets

Balents, L. Spin Liquids in Frustrated Magnets. Nature 2010, 464, 199-208

work page 2010

[5] [5]

Peierls Instability in Heisenberg Chains

Pytte, E. Peierls Instability in Heisenberg Chains. Phys. Rev. B 1974, 10, 4637

work page 1974

[6] [6]

J.; Xiao, D

Sivada, N.; Okamoto, S.; Xu, X.; Fennie, C. J.; Xiao, D. Stacking-Dependent Magnetism in Bilayer CrI 3. ACS Nano Lett., 2018, 18, 7658-7664

work page 2018

[7] [7]

V.; N’Diaye, A

Li, Q.; Yang, M.; Gong, C.; Chopdekar, R. V.; N’Diaye, A. T.; Turner, J.; Chen, G.; Scholl, A.; Shafer, P.; Arenholz, E.; Schmid, A. K.; Wang, S.; Liu, K.; Gao, N.; Admasu, A. S.; Cheong, S.-W.; Hwang, C.; Li, J.; Wang, F.; Zhang, X.; Q iu, Z. Patterning-Induced Ferromagnetism of Fe 3GeTe2 Van der Waals Materials beyond Room Temperature. ACS Nano Lett. 20...

work page 2018

[8] [8]

D.; Mandrus, D

Banerjee, A.; Yan, J.; Knolle, J.; Bridges, C.; Stone, M.; Lumsden, M. D.; Mandrus, D. G.; Tennant, D. A.; Moessner , R.; Nagler, S. E. Neutron Scattering in the Proximate Quantum Spin Liquid α-RuCl3. Science 2017, 356, 1055-1059

work page 2017

[9] [9]

P.; Neilson, J

Sheckelton, J. P.; Neilson, J. R.; Soltan, D. G., McQueen, T. M. Possible Valence-Bond Condensation in the Frustrated Cluster Magnet LiZn 2Mo3O8, Nat. Mat. 2012, 11, 493-496

work page 2012

[10] [10]

Carrasquilla, J.; Chen, G.; Melko, R. G. Tripartite Entangled Plaquette State in a Cluster Magnet. Phys. Rev. B 2017, 96, 054405

work page 2017

[11] [11]

G.; Metall -Metall- Bindungen bei niederen Halogeniden, O xyden und Oxyhalogeniden schwerer Übergangsmetalle

Schäfer, H.; Schnering, H. G.; Metall -Metall- Bindungen bei niederen Halogeniden, O xyden und Oxyhalogeniden schwerer Übergangsmetalle. Angew. Chem. 1964, 20, 833

work page 1964

[12] [12]

Schäfer, H.; Dohmann, K. -D. Niobtetrabromid und die Niobtribromid-Phase. Z. Anorg. Allg. Chem. 1961, 3-4, 134- 139

work page 1961

[13] [13]

Simon, A.; Schnering, H. G. β -Nb3Br8 und β -Nb3J8 Darstellung, Eigenschaften und Struktur. J. Less -Common Metals 1966, 11, 31

work page 1966

[14] [14]

γ -Nb3Cl8 – A New Stacking Variant Formed from the Thermal Decomposition of Intercalated β’-NaNb3Cl8

Kennedy, J.; Simon, A. γ -Nb3Cl8 – A New Stacking Variant Formed from the Thermal Decomposition of Intercalated β’-NaNb3Cl8. Materials Science Forum 1992, 91-93, 183-188

work page 1992

[15] [15]

P.; Plumb, K

Sheckelton, J. P.; Plumb, K. W.; Trump, B. A.; Broholm, C. L.; McQueen, T. M. Rearrangement of Van der Waals Stacking and Formation of a Singlet State at T = 90 K in a Cluster Magnet. Inorg. Chem. Front. 2017, 4, 481

work page 2017

[16] [16]

Miller, G. J. Solid State Chemistry of Nb 3Cl8: Nb3TeCl7, Mixed Crystal Formation, and I ntercalation. J. Alloys Compounds 1995, 217, 5-12

work page 1995

[17] [17]

R.; Adler, P.; Dronskowski, R.; Simon, A

Kennedy, J. R.; Adler, P.; Dronskowski, R.; Simon, A. Experimental and Theoretical Electronic Structure Investigations on α -Nb3Cl8 and the Interca lated Phase β’ - NaNb3Cl8. Inorg. Chem. 1996, 35, 2276-2282

work page 1996

[18] [18]

Magnetic - Nonmagnetic Phase Transition with Interlayer Charge Disproportionation of Nb 3 Trimers in the Cluster Compound Nb3Cl8

Haraguchi, Y.; Michioka, C.; Ishikawa, M.; Nakano, Y.; Yamochi, H.; Ueda, H.; Yoshimura, K. Magnetic - Nonmagnetic Phase Transition with Interlayer Charge Disproportionation of Nb 3 Trimers in the Cluster Compound Nb3Cl8. Inorg. Chem. 2017, 56, 3483-3488

work page 2017

[19] [19]

Habermehl, K.; Meyer, G.; Triniobiumoctabromide, Nb3Br8, Revisited. Z. Naturforsch. 2010, 65b, 770-77

work page 2010

[20] [20]

– User’s Manual, Bruker AXS, Karlsruhe, Germany

Bruker AXS (2008): TOPAS V4: General Profile and Structure Analysis Software for Powder Diffraction Data. – User’s Manual, Bruker AXS, Karlsruhe, Germany. 1-72

work page 2008

[21] [21]

Sheldrick, G. M. A Short History of SHELX Acta Cryst. 2008, A64, 112

work page 2008

[22] [22]

VESTA: Visualization for Electronic and Structural Analysis, Retrieved March 15th, 2019 from http://jp- minerals.org/vesta/en/

Momma, K. VESTA: Visualization for Electronic and Structural Analysis, Retrieved March 15th, 2019 from http://jp- minerals.org/vesta/en/

work page 2019

[23] [23]

M.; Hovden, R.; Kourkoutis, L

Savitzky, B.; El Baggari , I.; Clement , C.; Waite , E.; Goodge, B.; Baek , D.; Sheckelton , J.; Pasco , C.; Nair , H.; Schreiber, N.; Hoffman, J.; Admasu, A.; Kim, J.; Cheong, S.-W.; Bhattacharya, A.; Schlom , D.; McQue en, T. M.; Hovden, R.; Kourkoutis, L. F. Image Registration of Low Signal-to-Noise Cryo-STEM Data. Ultramicroscopy 2018, 191, 10.1016 Su...

work page 2018