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Magnetostatically d...
Magnetostatically driven domain replication in Ni/Co based perpendicular pseudo-spin-valves
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Mohseni, S. M. (författare)
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Hamdi, M. (författare)
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- Chung, S. (författare)
- KTH,Material- och nanofysik,Univ Gothenburg
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- Redjai Sani, Sohrab (författare)
- KTH,Material- och nanofysik
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- Åkerman, Johan, 1970 (författare)
- KTH,Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Material- och nanofysik,Univ Gothenburg
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(creator_code:org_t)
- 2016-09-15
- 2016
- Engelska.
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Ingår i: Journal of Physics D-Applied Physics. - : IOP Publishing. - 0022-3727 .- 1361-6463. ; 49:41
- Relaterad länk:
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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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Abstract
Ämnesord
Stäng
- The effect of ferromagnetic layer thickness on the temperature-dependent stray-field-induced coupling mechanism is investigated in perpendicular pseudo-spin-valves based on [Ni/Co](5)/ Cu/Co-[Ni/Co](n) (n = 2, 3, 4, and 5). Experimental observations show that as n increases from 2 to 4, the difference in coercivity and anisotropy between the two ([Ni/Co](5) or bottom-layer, and [Ni/Co](n) or top-layer) layers increases and the room temperature coupling strength decreases. The coupling then increases for n = 5, as the coercivity difference shrinks and anisotropy decreases. At reduced temperature, the layers start to decouple at a temperature, which increases with n from 2 to 4 and decreases for n = 5 via a stray-field domain-replication mechanism. Our results are useful to control the coupling in pseudo-spin-valves for practical applications in magnetoresistive devices.
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
- spintonics
- perpendicular spin valve
- magnetostatic coupling
- domain replication
- magnetic droplet solitons
- ferromagnetic-resonance
- temperature-dependence
- torque oscillators
- anisotropy
- films
- multilayers
- field
- layers
- Physics
- spintonics
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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