Outputs (8)

Magnetic order and disorder in a quasi-two-dimensional quantum Heisenberg antiferromagnet with randomized exchange (2020)
Journal Article
Xiao, F., Blackmore, W., Huddart, B., Gomilšek, M., Hicken, T., Baines, C., Baker, P., Pratt, F., Blundell, S., Lu, H., Singleton, J., Gawryluk, D., Turnbull, M., Krämer, K., Goddard, P., & Lancaster, T. (2020). Magnetic order and disorder in a quasi-two-dimensional quantum Heisenberg antiferromagnet with randomized exchange. Physical Review B, 102(17), Article 174429. https://doi.org/10.1103/physrevb.102.174429

We present an investigation of the effect of randomizing exchange coupling strengths in the S = 1/2 square lattice quasi-two-dimensional quantum Heisenberg antiferromagnet (QHAF) (QuinH)2Cu(ClxBr1−x )4 · 2H2O (QuinH = Quinolinium, C9H8N+), with 0 x 1... Read More about Magnetic order and disorder in a quasi-two-dimensional quantum Heisenberg antiferromagnet with randomized exchange.

From magnetic order to quantum disorder in the Zn-barlowite series of S = 1/2 kagomé antiferromagnets (2020)
Journal Article
Tustain, K., Ward-O’Brien, B., Bert, F., Han, T., Luetkens, H., Lancaster, T., Huddart, B. M., Baker, P. J., & Clark, L. (2020). From magnetic order to quantum disorder in the Zn-barlowite series of S = 1/2 kagomé antiferromagnets. npj Quantum Materials, 5(1), Article 74. https://doi.org/10.1038/s41535-020-00276-4

We report a comprehensive muon spectroscopy study of the Zn-barlowite series of S=12 kagomé antiferromagnets, ZnxCu4−x(OH)6FBr, for x = 0.00 to 0.99(1). By combining muon spin relaxation and rotation measurements with state-of-the-art density-functio... Read More about From magnetic order to quantum disorder in the Zn-barlowite series of S = 1/2 kagomé antiferromagnets.

Extremely well isolated two-dimensional spin-1/2 antiferromagnetic Heisenberg layers with a small exchange coupling in the molecular-based magnet CuPOF (2020)
Journal Article
Opherden, D., Nizar, N., Richardson, K., Monroe, J., Turnbull, M., Polson, M., Vela, S., Blackmore, W., Goddard, P., Singleton, J., Choi, E., Xiao, F., Williams, R., Lancaster, T., Pratt, F., Blundell, S., Skourski, Y., Uhlarz, M., Ponomaryov, A., Zvyagin, S., …Landee, C. (2020). Extremely well isolated two-dimensional spin-1/2 antiferromagnetic Heisenberg layers with a small exchange coupling in the molecular-based magnet CuPOF. Physical Review B, 102(6), Article 064431. https://doi.org/10.1103/physrevb.102.064431

We report on a comprehensive characterization of the newly synthesized Cu2+-based molecular magnet [Cu(pz)2 (2-HOpy)2](PF6 )2 (CuPOF), where pz = C4H4N2 and 2-HOpy = C5H4NHO. From a comparison of theoretical modeling to results of bulk magnetometry,... Read More about Extremely well isolated two-dimensional spin-1/2 antiferromagnetic Heisenberg layers with a small exchange coupling in the molecular-based magnet CuPOF.

Origin of Magnetic Ordering in a Structurally Perfect Quantum Kagome Antiferromagnet (2020)
Journal Article
Arh, T., Gomilšek, M., Prelovšek, P., Pregelj, M., Klanjšek, M., Ozarowski, A., Clark, S., Lancaster, T., Sun, W., Mi, J.-X., & Zorko, A. (2020). Origin of Magnetic Ordering in a Structurally Perfect Quantum Kagome Antiferromagnet. Physical Review Letters, 125(2), Article 027203. https://doi.org/10.1103/physrevlett.125.027203

The ground state of the simple Heisenberg nearest-neighbor quantum kagome antiferromagnetic model is a magnetically disordered spin liquid, yet various perturbations may lead to fundamentally different states. Here we disclose the origin of magnetic... Read More about Origin of Magnetic Ordering in a Structurally Perfect Quantum Kagome Antiferromagnet.

Magnetism and Néel skyrmion dynamics in GaV4S8−ySey (2020)
Journal Article
Hicken, T., Holt, S., Franke, K., Hawkhead, Z., Štefančič, A., Wilson, M., Gomilšek, M., Huddart, B., Clark, S., Lees, M., Pratt, F., Blundell, S., Balakrishnan, G., & Lancaster, T. (2020). Magnetism and Néel skyrmion dynamics in GaV4S8−ySey. Physical Review Research, 2(3), Article 032001. https://doi.org/10.1103/physrevresearch.2.032001

We present an investigation of the influence of low levels of chemical substitution on the magnetic ground state and Néel skyrmion lattice (SkL) state in GaV4S8−ySey, where y=0,0.1,7.9, and 8. Muon-spin spectroscopy (μSR) measurements on y=0 and 0.1... Read More about Magnetism and Néel skyrmion dynamics in GaV4S8−ySey.

Establishing magneto-structural relationships in the solid solutions of the skyrmion hosting family of materials: GaV4S8−ySey (2020)
Journal Article
Štefančič, A., Holt, S. J., Lees, M. R., Ritter, C., Gutmann, M. J., Lancaster, T., & Balakrishnan, G. (2020). Establishing magneto-structural relationships in the solid solutions of the skyrmion hosting family of materials: GaV4S8−ySey. Scientific Reports, 10(1), Article 9813. https://doi.org/10.1038/s41598-020-65676-9

The GaV4S8−ySey (y = 0 to 8) family of materials have been synthesized in both polycrystalline and single crystal form, and their structural and magnetic properties thoroughly investigated. Each of these materials crystallizes in the Fˉ 43m space gro... Read More about Establishing magneto-structural relationships in the solid solutions of the skyrmion hosting family of materials: GaV4S8−ySey.

Near-ideal molecule-based Haldane spin chain (2020)
Journal Article
Williams, R. C., Blackmore, W. J., Curley, S. P., Lees, M. R., Birnbaum, S. M., Singleton, J., Huddart, B. M., Hicken, T. J., Lancaster, T., Blundell, S. J., Xiao, F., Ozarowski, A., Pratt, F. L., Voneshen, D. J., Guguchia, Z., Baines, C., Schlueter, J. A., Villa, D. Y., Manson, J. L., & Goddard, P. A. (2020). Near-ideal molecule-based Haldane spin chain. Physical Review Research, 2(1), Article 013082. https://doi.org/10.1103/physrevresearch.2.013082

The molecular coordination complex NiI2 (3, 5-lut)4 [where (3,5-lut) = (3,5-lutidine) = (C7H9N)] has been synthesized and characterized by several techniques including synchrotron x-ray diffraction, electron-spin resonance, superconducting quantum in... Read More about Near-ideal molecule-based Haldane spin chain.

Enhancing easy-plane anisotropy in bespoke Ni(II) quantum magnets (2020)
Journal Article
Manson, J. L., Manson, Z. E., Sargent, A., Villa, D. Y., Etten, N. L., Blackmore, W. J., Curley, S. P., Williams, R. C., Brambleby, J., Goddard, P. A., Ozarowski, A., Wilson, M. N., Huddart, B. M., Lancaster, T., Johnson, R. D., Blundell, S. J., Bendix, J., Wheeler, K. A., Lapidus, S. H., Xiao, F., …Singleton, J. (2020). Enhancing easy-plane anisotropy in bespoke Ni(II) quantum magnets. Polyhedron, 180, Article 114379. https://doi.org/10.1016/j.poly.2020.114379

We examine the crystal structures and magnetic properties of several S = 1 Ni(II) coordination compounds, molecules and polymers, that include the bridging ligands HF2-, AF62- (A = Ti, Zr) and pyrazine or non-bridging ligands F-, SiF62-, glycine, H2O... Read More about Enhancing easy-plane anisotropy in bespoke Ni(II) quantum magnets.