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Anomalous magnetic exchange in a dimerized quantum magnet composed of unlike spin species (2021)
Journal Article
Curley, S., Huddart, B., Kamenskyi, D., Coak, M., Williams, R., Ghannadzadeh, S., …Goddard, P. (2021). Anomalous magnetic exchange in a dimerized quantum magnet composed of unlike spin species. Physical Review B, 104(21), Article 214435. https://doi.org/10.1103/physrevb.104.214435

We present here a study of the magnetic properties of the antiferromagnetic dimer material CuVOF 4 ( H 2 O ) 6 ⋅ H 2 O , in which the dimer unit is composed of two different S = 1 / 2 species, Cu(II) and V(IV). An applied magnetic field of μ 0 H c 1... Read More about Anomalous magnetic exchange in a dimerized quantum magnet composed of unlike spin species.

Intrinsic nature of spontaneous magnetic fields in superconductors with time-reversal symmetry breaking (2021)
Journal Article
Huddart, B., Onuorah, I., Isah, M., Bonfa, P., Blundell, S., Clark, S., …Lancaster, T. (2021). Intrinsic nature of spontaneous magnetic fields in superconductors with time-reversal symmetry breaking. Physical Review Letters, 127(23), Article 237002. https://doi.org/10.1103/physrevlett.127.237002

We present a systematic investigation of muon-stopping states in superconductors that reportedly exhibit spontaneous magnetic fields below their transition temperatures due to time-reversal symmetry breaking. These materials include elemental rhenium... Read More about Intrinsic nature of spontaneous magnetic fields in superconductors with time-reversal symmetry breaking.

Quantum phases and spin liquid properties of 1T-TaS2 (2021)
Journal Article
Mañas-Valero, S., Huddart, B. M., Lancaster, T., Coronado, E., & Pratt, F. L. (2021). Quantum phases and spin liquid properties of 1T-TaS2. npj Quantum Materials, 6(1), Article 69. https://doi.org/10.1038/s41535-021-00367-w

Quantum materials exhibiting magnetic frustration are connected to diverse phenomena, including high Tc superconductivity, topological order, and quantum spin liquids (QSLs). A QSL is a quantum phase (QP) related to a quantum-entangled fluid-like sta... Read More about Quantum phases and spin liquid properties of 1T-TaS2.

Magnetic order and ballistic spin transport in a sine-Gordon spin chain (2021)
Journal Article
Huddart, B., Gomilšek, M., Hicken, T., Pratt, F., Blundell, S., Goddard, P., …Lancaster, T. (2021). Magnetic order and ballistic spin transport in a sine-Gordon spin chain. Physical Review B, 103(6), Article L060405. https://doi.org/10.1103/physrevb.103.l060405

We report the results of muon-spin spectroscopy (μ+SR) measurements on the staggered molecular spin chain [pym-Cu(NO3 )2(H2O)2] (pym = pyrimidine), a material previously described using sine-Gordon field theory. Zero-field μ+SR reveals a long range m... Read More about Magnetic order and ballistic spin transport in a sine-Gordon spin chain.

Megahertz dynamics in skyrmion systems probed with muon-spin relaxation (2021)
Journal Article
Hicken, T., Wilson, M., Franke, K., Huddart, B., Hawkhead, Z., Gomilšek, M., …Lancaster, T. (2021). Megahertz dynamics in skyrmion systems probed with muon-spin relaxation. Physical Review B, 103(2), https://doi.org/10.1103/physrevb.103.024428

We present longitudinal-field muon-spin relaxation (LF μ SR ) measurements on two systems that stabilize a skyrmion lattice (SkL): Cu 2 OSeO 3 , and Co x Zn y Mn 20 − x − y for ( x , y ) = ( 10 , 10 ) , (8, 9), and (8, 8). We find that the SkL phase... Read More about Megahertz dynamics in skyrmion systems probed with muon-spin relaxation.