3 papers
cond-mat.mes-hall2019
Ice-rule made manifold: phase transitions, topological defects and manifold restoration in two-dimensional artificial spin systems
Gavin M. Macauley, Gary W. Paterson, Yue Li +3
Artificial spin ices are arrays of correlated nano-scale magnetic islands that prove an excellent playground in which to study the role of topology in critical phenomena. Here, we…
cond-mat.mes-hall2019
Heisenberg pseudo-exchange and emergent anisotropies in field-driven pinwheel artificial spin ice
Gary W. Paterson, Gavin M. Macauley, Yue Li +8
Rotating all islands in square artificial spin ice (ASI) uniformly about their centres gives rise to the recently reported pinwheel ASI. At angles around 45, the antif…
cond-mat.dis-nn2018
Superferromagnetism and domain-wall topologies in artificial 'pinwheel' spin ice
Yue Li, Gary W. Paterson, Gavin M. Macauley +9
For over ten years, arrays of interacting single-domain nanomagnets, referred to as artificial spin ices, have been engineered with the aim to study frustration in model spin syste…