Zobrazeno 1 - 10
of 111
pro vyhledávání: '"Allwood, Dan A."'
Autor:
Vidamour, Ian T, Venkat, Guru, Swindells, Charles, Griffin, David, Fry, Paul W, Rowan-Robinson, Richard M, Welbourne, Alexander, Maccherozzi, Francesco, Dhesi, Sarnjeet S, Stepney, Susan, Allwood, Dan A, Hayward, Thomas J
We describe 'RingSim', a phenomenological agent-based model that allows numerical simulation of magnetic nanowire networks with areas of hundreds of micrometers squared for durations of hundreds of seconds; a practical impossibility for general-purpo
Externí odkaz:
http://arxiv.org/abs/2410.22204
Autor:
Ellis, Matthew O. A., Welbourne, Alex, Kyle, Stephan J., Fry, Paul W., Allwood, Dan A., Hayward, Thomas J., Vasilaki, Eleni
The impressive performance of artificial neural networks has come at the cost of high energy usage and CO$_2$ emissions. Unconventional computing architectures, with magnetic systems as a candidate, have potential as alternative energy-efficient hard
Externí odkaz:
http://arxiv.org/abs/2303.01886
Autor:
Allwood, Dan A, Ellis, Matthew O A, Griffin, David, Hayward, Thomas J, Manneschi, Luca, Musameh, Mohammad F KH, O'Keefe, Simon, Stepney, Susan, Swindells, Charles, Trefzer, Martin A, Vasilaki, Eleni, Venkat, Guru, Vidamour, Ian, Wringe, Chester
Neural networks have revolutionized the area of artificial intelligence and introduced transformative applications to almost every scientific field and industry. However, this success comes at a great price; the energy requirements for training advan
Externí odkaz:
http://arxiv.org/abs/2212.04851
Autor:
Vidamour, Ian T, Ellis, Matthew O A, Griffin, David, Venkat, Guru, Swindells, Charles, Dawidek, Richard W S, Broomhall, Thomas J, Steinke, Nina-Juliane, Cooper, Joshaniel F K, Maccherozzi, Francisco, Dhesi, Sarnjeet S, Stepney, Susan, Vasilaki, Eleni, Allwood, Dan A, Hayward, Thomas J
Devices based on arrays of interconnected magnetic nano-rings with emergent magnetization dynamics have recently been proposed for use in reservoir computing applications, but for them to be computationally useful it must be possible to optimise thei
Externí odkaz:
http://arxiv.org/abs/2111.14603
Autor:
West, Adam D., Weatherill, Kevin J., Hayward, Thomas J., Fry, Paul W., Schrefl, Thomas, Gibbs, Mike R. J., Adams, Charles S., Allwood, Dan A., Hughes, Ifan G.
Publikováno v:
Nano Lett. 12, 4065 (2012)
The divide between the realms of atomic-scale quantum particles and lithographically-defined nanostructures is rapidly being bridged. Hybrid quantum systems comprising ultracold gas-phase atoms and substrate-bound devices already offer exciting prosp
Externí odkaz:
http://arxiv.org/abs/1112.0485
Autor:
Hayward, Thomas J., West, Adam D., Weatherill, Kevin J., Schrefl, Thomas, Hughes, Ifan G., Allwood, Dan A.
Publikováno v:
Journal of Applied Physics 110, 123918 (2011)
We have used the results of micromagnetic simulations to investigate the effects of nanowire geometry and domain wall magnetization structure on the characteristic parameters of magnetic atom traps formed by domain walls in planar ferromagnetic nanow
Externí odkaz:
http://arxiv.org/abs/1109.3666
Publikováno v:
Journal of Physics D: Appl. Phys. 45, 095002 (2012)
We present a new approach to calculating magnetic fringing fields from head-to-head type domain walls in planar magnetic nanowires. In contrast to calculations based on micromagnetically simulated structures the descriptions of the fields are for the
Externí odkaz:
http://arxiv.org/abs/1104.2249
Autor:
Hrkac, Gino, Dean, Julian, Goncharov, Alexander, Bance, Simon, Allwood, Dan, Schrefl, Thomas, Suess, Dieter, Fidler, Josef
In this paper we numerically conduct micromagnetic modelling to optimize computational boundaries of magnetic thin-film elements applicable to single and double point contact spin torque nano-oscillators. Different boundary conditions have been intro
Externí odkaz:
http://arxiv.org/abs/0804.2119
We demonstrate movement of a head-to-head domain wall through a magnetic nanowire simply by passing an electrical current through the domain wall and without any external magnetic field applied. The effect depends on the sense and magnitude of the el
Externí odkaz:
http://arxiv.org/abs/cond-mat/0304549
Autor:
Lin, Liangxu, Miao, Naihua, Huang, Juntong, Zhang, Shaowei, Zhu, Yanqiu, Horsell, David D., Ghosez, Philippe, Sun, Zhimei, Allwood, Dan A.
Publikováno v:
In Nano Energy August 2017 38:544-552
