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Giant exchange bias...
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Liao, XiaoqiShenzhen Univ, Coll Phys & Optoelect Engn, Shenzhen 518060, Peoples R China.;Hanshan Normal Univ, Sch Mat Sci & Engn, Chaozhou 521041, Peoples R China.
(författare)
Giant exchange bias in micro-sized magnetic shape memory alloy particles
- Artikel/kapitelEngelska2021
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2020-11-03
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Institute of Physics Publishing (IOPP),2021
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LIBRIS-ID:oai:DiVA.org:uu-425906
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-425906URI
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https://doi.org/10.1088/1361-6463/abbf18DOI
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Språk:engelska
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Sammanfattning på:engelska
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We report the effects of the magnetic ground sate and microstructure on exchange bias (EB) in ball milled Ni44Co6Mn39.5Sn10.5 alloys. A giant bias field of 1.49 T has been obtained for the micron-sized particles after 15 h milling, which is considerably larger than that of 2 h milled platelets (0.35 T) and that of the bulk alloy (0.12 T). This giant bias field is attributed to the increased volume fraction of antiferromagnetic/ferromagnetic interface, the enhanced antiferromagnetic fraction and the formed agglomerates. Our results reveal the critical roles of the magnetic ground state and microstructure of milled alloys in determining EB.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Svedlindh, PeterUppsala universitet,Fasta tillståndets fysik(Swepub:uu)petesved
(författare)
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Salazar-Alvarez, GermanUppsala universitet,Fasta tillståndets fysik(Swepub:uu)gersa763
(författare)
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Zeng, Yu-JiaShenzhen Univ, Coll Phys & Optoelect Engn, Shenzhen 518060, Peoples R China.
(författare)
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Huang, RuiHanshan Normal Univ, Sch Mat Sci & Engn, Chaozhou 521041, Peoples R China.
(författare)
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Yang, SenXi An Jiao Tong Univ, MOE Key Lab Nonequilibrium Synth & Modulat Conden, Xian 710049, Peoples R China.;Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China.
(författare)
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Wang, YuXi An Jiao Tong Univ, MOE Key Lab Nonequilibrium Synth & Modulat Conden, Xian 710049, Peoples R China.;Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China.
(författare)
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Shenzhen Univ, Coll Phys & Optoelect Engn, Shenzhen 518060, Peoples R China.;Hanshan Normal Univ, Sch Mat Sci & Engn, Chaozhou 521041, Peoples R China.Fasta tillståndets fysik
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of Physics D: Institute of Physics Publishing (IOPP)54:40022-37271361-6463
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