Sökning: WFRF:(Korenivski Vladislav)
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Suppression of supe...
Suppression of superconductivity due to spin imbalance in Co/Al/Co single electron transistor
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- Johansson, Jan (författare)
- KTH,Fysik
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- Korenivski, Vladislav (författare)
- KTH,Fysik
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- Urech, Mattias (författare)
- KTH,Fysik
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- Haviland, David B. (författare)
- KTH,Fysik
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(creator_code:org_t)
- AIP Publishing, 2003
- 2003
- Engelska.
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Ingår i: Journal of Applied Physics. - : AIP Publishing. - 0021-8979 .- 1089-7550. ; 93, s. 8650-8652
- Relaterad länk:
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http://scitation.aip...
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http://arxiv.org/pdf...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Transport properties of ferromagnetic/nonmagnetic/ferromagnetic single electron transistors are investigated as a function of external magnetic-field, temperature, bias, and gate voltage. By designing the magnetic electrodes to have different switching fields, a two-mode device is realized having two stable magnetization states, with the electrodes aligned in parallel and antiparallel. Magnetoresistance of approximately 100% is measured in Co/AlOX/Al/AlOX/Co double tunnel junction spin valves at low bias, with the Al spacer in the superconducting state. The effect is substantially reduced at high bias and temperatures above the T-C of the Al. The experimental results are interpreted as due to spin imbalance of charge carriers resulting in suppression of the superconducting gap of the Al island.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- Physics
- Fysik
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