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Engineering of spin...
Engineering of spin mixing conductance at Ru/FeCo/Ru interfaces : Effect of Re doping
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- Gupta, Rahul (författare)
- Uppsala universitet,Fasta tillståndets fysik,Uppsala Univ, Dept Engn Sci, Box 534, SE-75121 Uppsala, Sweden.
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- Behera, Nilamani (författare)
- Uppsala universitet,Fasta tillståndets fysik,Uppsala Univ, Dept Engn Sci, Box 534, SE-75121 Uppsala, Sweden.
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- Venugopal, Vijay A. (författare)
- Seagate Technology, 1 Disc Drive, Springtown, Northern Ireland, BT48 0BF, United Kingdom,Seagate Technol, 1 Disc Dr, Springtown BT48 0BF, North Ireland.
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- Basu, Swaraj (författare)
- Seagate Technology, 1 Disc Drive, Springtown, Northern Ireland, BT48 0BF, United Kingdom,Seagate Technol, 1 Disc Dr, Springtown BT48 0BF, North Ireland.
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- Puri, Anil K. (författare)
- Seagate Technology, 1 Disc Drive, Springtown, Northern Ireland, BT48 0BF, United Kingdom,Seagate Technol, 1 Disc Dr, Springtown BT48 0BF, North Ireland.
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- Ström, Petter (författare)
- Uppsala universitet,Tillämpad kärnfysik,Uppsala Univ, Dept Phys & Astron, Box 516, SE-75120 Uppsala, Sweden.
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- Gubbins, Mark A. (författare)
- Seagate Technology, 1 Disc Drive, Springtown, Northern Ireland, BT48 0BF, United Kingdom,Seagate Technol, 1 Disc Dr, Springtown BT48 0BF, North Ireland.
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- Bergqvist, Lars (författare)
- KTH,Tillämpad materialfysik,SeRC - Swedish e-Science Research Centre,Department of Applied Physics, School of Engineering Sciences, KTH Royal Institute of Technology, Electrum 229, SE-16440 Kista, Sweden;Swedish e-Science Research Center, KTH Royal Institute of Technology, SE-10044 Stockholm, Sweden
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- Brucas, Rimantas (författare)
- Uppsala universitet,Fasta tillståndets fysik,Uppsala Univ, Dept Engn Sci, Box 534, SE-75121 Uppsala, Sweden.
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- Svedlindh, Peter (författare)
- Uppsala universitet,Fasta tillståndets fysik,Uppsala Univ, Dept Engn Sci, Box 534, SE-75121 Uppsala, Sweden.
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- Kumar, Ankit (författare)
- Uppsala universitet,Fasta tillståndets fysik,Uppsala Univ, Dept Engn Sci, Box 534, SE-75121 Uppsala, Sweden.
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(creator_code:org_t)
- AMER PHYSICAL SOC, 2020
- 2020
- Engelska.
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Ingår i: Physical Review B. Condensed Matter and Materials Physics. - : AMER PHYSICAL SOC. - 1098-0121 .- 1550-235X. ; 101:2
- Relaterad länk:
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https://urn.kb.se/re...
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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
- We have deposited polycrystalline Re-doped (Fe65Co35)(100-x)Rex (0 ≤ x ≤ 12.6 at. %) thin films grown under identical conditions and sandwiched between thin layers of Ru in order to study the phenomenon of spin pumping as a function of Re concentration. In-plane and out-of-plane ferromagnetic resonance spectroscopy results show an enhancement of the Gilbert damping with an increase in Re doping. We find 98% enhancement in the real part of effective spin mixing conductance [Re(g↑↓eff)] with Re doping. Conversely, the Re(g↑↓eff) does not change with Re doping in Fe65Co35 thin films which are seeded and capped with Cu layers. The enhancement in Re(g↑↓eff) of Re-doped Fe65Co35 thin films sandwiched between thin layers of Ru is linked to the Re doping-induced change of the interface electronic structure in the nonmagnetic Ru layer. The saturation magnetization decreases 35% with increasing Re doping up to 12.6 at. %. This study opens a direction of tuning the spin mixing conductance in magnetic heterostructures by doping of the ferromagnetic layer, which is essential for the realization of energyefficient operation of spintronic devices.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- spin dynamics
- ferromagnetic resonance
- spin pumping
- Engineering Science with specialization in Solid State Physics
- Teknisk fysik med inriktning mot fasta tillståndets fysik
- Teknisk fysik med inriktning mot materialvetenskap
- Engineering Science with specialization in Materials Science
- Physics with spec. in Atomic, Molecular and Condensed Matter Physics
- Fysik med inriktning mot atom- molekyl- och kondenserande materiens fysik
Publikations- och innehållstyp
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- art (ämneskategori)
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- Av författaren/redakt...
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Gupta, Rahul
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Behera, Nilamani
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Venugopal, Vijay ...
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Basu, Swaraj
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Puri, Anil K.
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Ström, Petter
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visa fler...
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Gubbins, Mark A.
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Bergqvist, Lars
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Brucas, Rimantas
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Svedlindh, Peter
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Kumar, Ankit
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visa färre...
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Uppsala universitet
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