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On the realization ...
On the realization of artificial XY spin chains
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- Van Kampen, M. (author)
- Uppsala Universitet,Materialfysik
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- Soroka, Inna L. (author)
- Uppsala Universitet,Materialfysik
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- Brucas, Rimantas (author)
- Uppsala University,Materialfysik
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- Hjörvarsson, Björgvin (author)
- Uppsala Universitet,Fysik och Astronomi
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- Wieser, R. (author)
- Universitat Duisburg-Essen, Germany
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- Usadel, K. D. (author)
- Universitat Duisburg-Essen, Germany
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- Hanson, M. (author)
- Chalmers University of Technology
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- Kazakova, O. (author)
- Chalmers University of Technology
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- Grabis, J. (author)
- Ruhr-Universitat Bochum, Germany
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- Zabel, H. (author)
- Ruhr-Universitat Bochum, Germany
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- Jozsa, C. (author)
- Center for NanoMaterials and COBRA Research Institute, Eindhoven University of Technology, The Netherlands
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- Koopmans, B. (author)
- Center for NanoMaterials and COBRA Research Institute, Eindhoven University of Technology, The Netherlands
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(creator_code:org_t)
- 2005
- 2005
- English.
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In: Journal of Physics. - 0953-8984 .- 1361-648X. ; 17:2, s. L27-L33
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- Spin chains are the most elementary entities in the study of magnetic ordering behavior. The authors describe a route toward the realization of artificial XY spin chains. Using thin-film deposition and e-beam lithog., 300 and 550 nm diam. pillars consisting of alternating disks of permalloy and Al2O3 were made. Shape anisotropy forces the magnetization in plane, creating a chain of two-dimensional magnetic moments →i. The disks couple to each other by their dipolar stray fields, resulting in an interaction Jij→i·→j, with Jij the coupling between disks i and j. This form closely resembles a chain of xy spins, coupled by effective interactions Jij. The authors present a magnetic characterization of the pillars, and compare the results with model calcns. Also, spin dynamics and ordering phenomena are addressed.
Keyword
- XY spin chain magnetization magnetic ordering anisotropy
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Van Kampen, M.
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Soroka, Inna L.
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Brucas, Rimantas
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Hjörvarsson, Bjö ...
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Wieser, R.
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Usadel, K. D.
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show more...
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Hanson, M.
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Kazakova, O.
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Grabis, J.
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Zabel, H.
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Jozsa, C.
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Koopmans, B.
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- Articles in the publication
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Journal of Physi ...
- By the university
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Royal Institute of Technology