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Structure, composit...
Structure, composition and enhanced magnetic properties of novel ternary multicore-shell Ni-Co-Cr nanoclusters prepared by one-step inert gas condensation method
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- Al Khabouri, Saja (författare)
- Sultan Qaboos Univ, Dept Phys, POB 36, Muscat 123, Oman.
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- Al Harthi, Salim (författare)
- Sultan Qaboos Univ, Dept Phys, POB 36, Muscat 123, Oman.
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- Maekawa, Toru (författare)
- Toyo Univ, Bionano Elect Res Ctr, 2100 Kujirai, Kawagoe, Saitama 3508585, Japan.
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- Elzain, Mohamed E. (författare)
- Sultan Qaboos Univ, Dept Phys, POB 36, Muscat 123, Oman.
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- Kyaw, Htet Htet (författare)
- Sultan Qaboos Univ, Nanotechnol Res Ctr, POB 33, Muscat 123, Oman.
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- Myint, Myo Tay Zar (författare)
- Sultan Qaboos Univ, Dept Phys, POB 36, Muscat 123, Oman.
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- Laxman, Karthik (författare)
- KTH,Tillämpad fysik
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Sultan Qaboos Univ, Dept Phys, POB 36, Muscat 123, Oman Toyo Univ, Bionano Elect Res Ctr, 2100 Kujirai, Kawagoe, Saitama 3508585, Japan. (creator_code:org_t)
- Elsevier BV, 2021
- 2021
- Engelska.
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Ingår i: Materials Chemistry and Physics. - : Elsevier BV. - 0254-0584 .- 1879-3312. ; 271
- 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
- We have synthesized ternary Ni-Co-Cr nanoclusters using one step method by simultaneous sputtering of metallic targets through inert gas condensation (IGC) deposition process. The difference in surface energy between the component atoms creates a preferential surface phase leading to the formation of multi core/shell structures. Surface structure and composition analysis reveal metallic and oxide phases characterized by extraordinary 1.43 mu m periodicity strong magnetic stripe domains with weak magnetic force microscopy signal attenuation up to a lift height value of 2.5 mu m. In addition, the ternary nanoclusters exhibit strong ferromagnetic behavior below the blocking temperature of 139 K with coercivity of 700 Oe at 4 K. The enhanced magnetic properties are attributed to Volmer-Weber growth mechanism and pave a facile way for preparing ternary core/ shell magnetic structures needed for applications which require strong magnetic anisotropy along their growth direction.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- Nanoclusters
- Core
- shell
- Magnetic
- Ferromagnetic
- Inert gas condensation
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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