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pro vyhledávání: '"Macauley, Gavin"'
Autor:
Kurenkov, Aleksandr, Maes, Jonathan, Pac, Aleksandra, Macauley, Gavin Martin, Van Waeyenberge, Bartel, Hrabec, Aleš, Heyderman, Laura Jane
Arrays of coupled nanomagnets have wide-ranging fundamental and practical applications in artificial spin ices, neuromorphic computing and spintronics. However, lacking in these fields are nanomagnets with perpendicular magnetic anisotropy with suffi
Externí odkaz:
http://arxiv.org/abs/2408.12182
Five-stage ordering to a topological-defect-mediated ground state in a buckyball artificial spin ice
Artificial spin ices are arrays of coupled nanomagnets, which exhibit a variety of fascinating collective behaviour including emergent magnetic monopoles, charge screening, and novel phase transitions. However, they have mainly been confined to two d
Externí odkaz:
http://arxiv.org/abs/2407.05907
Publikováno v:
Adv. Theory Simul. 4, 2100109 (2021)
We investigate a set of topological arrangements of individual ferromagnetic islands in ideal and disordered artificial spin ice (ASI) arrays in order to evaluate how aspects of their field-driven reversal are affected by the model used. The set cont
Externí odkaz:
http://arxiv.org/abs/2103.14643
Akademický článek
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Autor:
Paterson, Gary W., Macauley, Gavin M., Li, Yue, Macêdo, Rair, Ferguson, Ciaran, Morley, Sophie A., Rosamond, Mark C., Linfield, Edmund H., Marrows, Christopher H., Stamps, Robert L., McVitie, Stephen
Publikováno v:
Phys. Rev. B 100, 174410 (2019)
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$^\mathrm{o}$, the antiferromagnetic ordering changes to ferromagnetic and the magnetic config
Externí odkaz:
http://arxiv.org/abs/1908.10626
Autor:
Macauley, Gavin M., Paterson, Gary W., Li, Yue, Macêdo, Rair, McVitie, Stephen, Stamps, Robert L.
Publikováno v:
Phys. Rev. B 101, 144403 (2020)
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 investigate a continuum of spin ice geometries, parameterised by rotat
Externí odkaz:
http://arxiv.org/abs/1908.08903
Autor:
Li, Yue, Paterson, Gary W., Macauley, Gavin M., Nascimento, Fabio S., Ferguson, Ciaran, Morley, Sophie A., Rosamond, Mark C., MacLaren, Donald A., Macêdo, Rair, Marrows, Christopher H., McVitie, Stephen, Stamps, Robert L.
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 systems. Here, we use Fresnel imaging to study the reversal process in 'pin
Externí odkaz:
http://arxiv.org/abs/1808.10490
Publikováno v:
Microscopy and Microanalysis, 27 (5)
In Part I of this diptych, we outlined the theory and an analysis methodology for quantitative phase recovery from real-space distortions of Fresnel images acquired in the parallel mode of transmission electron microscopy (TEM). In that work, the pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______150::7f624836375eca15af7f967f06d1fc5d
https://hdl.handle.net/20.500.11850/507686
https://hdl.handle.net/20.500.11850/507686
Akademický článek
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Autor:
Macauley, Gavin Martin
Artificial spin ices are arrays of nano-scale magnetic islands correlated by the interactions of their associated macrospins. They have proven an excellent playground in which to study phase transitions and non-equilibrium phenomena. Originally envis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::237323eba5025903f50350490463f6db