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'In-situ' ink-jet p...
'In-situ' ink-jet printed Fe-doped MgO thin films with tunable ferromagnetism
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- Fang, Mei (författare)
- Cent South Univ, Sch Phys & Elect, Hunan Key Lab Super Microstruct & Ultrafast Proc, Changsha 410083, Hunan, Peoples R China.;KTH Royal Inst Technol, Dept Mat Sci & Engn, SE-10044 Stockholm, Sweden.
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- Li, Tianli (författare)
- Cent South Univ, Sch Phys & Elect, Hunan Key Lab Super Microstruct & Ultrafast Proc, Changsha 410083, Hunan, Peoples R China.
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- Guo, Wang (författare)
- Cent South Univ, Sch Phys & Elect, Hunan Key Lab Super Microstruct & Ultrafast Proc, Changsha 410083, Hunan, Peoples R China.
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- Riazanova, Anastasia (författare)
- KTH,Fiber- och polymerteknologi,Wallenberg Wood Science Center
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- Kapilashrami, Mukes (författare)
- Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA.
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- Guo, Jinghua (författare)
- Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA.
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- Rao, K. Venkat (författare)
- KTH,Materialvetenskap
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- Belova, Lyubov (författare)
- KTH,Materialvetenskap
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Cent South Univ, Sch Phys & Elect, Hunan Key Lab Super Microstruct & Ultrafast Proc, Changsha 410083, Hunan, Peoples R China;KTH Royal Inst Technol, Dept Mat Sci & Engn, SE-10044 Stockholm, Sweden. Cent South Univ, Sch Phys & Elect, Hunan Key Lab Super Microstruct & Ultrafast Proc, Changsha 410083, Hunan, Peoples R China. (creator_code:org_t)
- Elsevier, 2020
- 2020
- Engelska.
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Ingår i: Zhongguó wùli xuékan. - : Elsevier. - 0577-9073. ; 67, s. 398-404
- Relaterad länk:
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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
- Magnetism in wide band gap materials is of great interests for future spintronic device applications. We prepared MgO and Fe-doped MgO films 'in-situ' on substrates by inkjet printing, and investigated the ferromagnetism tuned by the doping of Fe, the annealing temperature and the film thickness. It is found that the Fe-doping improves the crystallinity of the films with lattice structure changed by annealing temperature. The saturation magnetization (M-s) of the films enhanced by similar to 5 times comparing with the pure MgO thin film of similar thickness (similar to 90 nm), because of both the long-range ordering of localized 3d electrons in Fe and the defects induced magnetism. The M-s at 5 K decreases with the film thickness, which is mainly attributed to the interface induced ferromagnetism. The Fe-doped MgO films with ferromagnetism in this work can be used in future spintronic devices.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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