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Tuning the magnetod...
Tuning the magnetodynamic properties of all-perpendicular spin valves using He+ irradiation
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- Jiang, Sheng (författare)
- KTH,Material- och nanofysik,KTH Royal Inst Technol, Sch Engn Sci, Dept Appl Phys, Electrum 229, SE-16440 Kista, Sweden;NanOsc AB, S-16440 Kista, Sweden
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- Chung, Sunjae (författare)
- Uppsala universitet,KTH,Tillämpad fysik,Molekyl- och kondenserade materiens fysik,KTH Royal Inst Technol, Sch Engn Sci, Dept Appl Phys, Electrum 229, SE-16440 Kista, Sweden
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- Diez, L. H. (författare)
- Univ Paris Saclay, Univ Paris Sud, CNRS, Inst Elect Fondamentale, F-91405 Orsay, France.
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- Le, Quang Tuan, 1976- (författare)
- KTH,Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Tillämpad fysik,Univ Gothenburg, Dept Phys, S-41296 Gothenburg, Sweden
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- Magnusson, F. (författare)
- NanOsc AB, S-16440 Kista, Sweden.
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- Ravelosona, D. (författare)
- Univ Paris Saclay, Univ Paris Sud, CNRS, Inst Elect Fondamentale, F-91405 Orsay, France.;Spin Ion Technol, 28 Rue Gen Leclerc, F-78000 Versailles, France.
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- Åkerman, Johan, 1970 (författare)
- KTH,Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Tillämpad fysik,KTH Royal Inst Technol, Sch Engn Sci, Dept Appl Phys, Electrum 229, SE-16440 Kista, Sweden;NanOsc AB, S-16440 Kista, Sweden;Univ Gothenburg, Dept Phys, S-41296 Gothenburg, Sweden
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(creator_code:org_t)
- AIP Publishing, 2018
- 2018
- Engelska.
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Ingår i: Aip Advances. - : AIP Publishing. - 2158-3226. ; 8:6
- Relaterad länk:
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https://aip.scitatio...
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Using He+ ion irradiation, we demonstrate how the magnetodynamic properties of both ferromagnetic layers in all-perpendicular [Co/Pd]/Cu/[Co/Ni] spin valves can be tuned by varying the He+ ion fluence. As the perpendicular magnetic anisotropy of both layers is gradually reduced by the irradiation, different magnetic configurations can be achieved from all-perpendicular (up arrow up arrow), through orthogonal (->up arrow), to all in-plane (paired right arrows). In addition, both the magnetic damping (alpha) and the inhomogeneous broadening (Delta H-0) of the Co/Ni layer improve substantially with increasing fluence. While the GMR of the spin valve is negatively affected, decreasing linearly from an original value of 1.14% to 0.4% at the maximum fluence of 50x10(14) He+/cm(2), most of the Co/Ni layer improvement is achieved already at a fluence of 10x10(14) He+/cm(2), for which GMR only reduces to 0.9%. (C) 2018 Author(s).
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- magnetic droplet solitons
- light-ion irradiation
- magnetoresistance
- oscillators
- excitation
- driven
- memory
- waves
- films
- Science & Technology - Other Topics
- Materials Science
- Physics
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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