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On the structural and magnetic properties of Al-rich high entropy alloys : a joint experimental-theoretical study

Dastanpour Hosseinabadi, Esmat (author)
KTH,Materialvetenskap,Department of Materials Science and Engineering, KTH Royal Institute of Technology, Stockholm, Sweden,KTH Royal Inst Technol, Dept Mat Sci & Engn, SE-10044 Stockholm, Sweden.
Huang, Shuo (author)
Uppsala universitet,Materialteori,China Univ Geosci, Fac Mat Sci & Chem, Wuhan 430074, Peoples R China
Schönecker, Stephan (author)
KTH,Egenskaper,Department of Materials Science and Engineering, KTH Royal Institute of Technology, Stockholm, Sweden,KTH Royal Inst Technol, Dept Mat Sci & Engn, SE-10044 Stockholm, Sweden.
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Mao, Huahai, 1971- (author)
KTH,Materialvetenskap,KTH Royal Inst Technol, Dept Mat Sci & Engn, SE-10044 Stockholm, Sweden.;Thermocalc Software AB, Rasundavagen 18, SE-16967 Solna, Sweden.,Department of Materials Science and Engineering, KTH Royal Institute of Technology, Stockholm, Sweden; Thermo-Calc Software AB, Solna, Sweden
Ström, Valter (author)
KTH,Egenskaper,Department of Materials Science and Engineering, KTH Royal Institute of Technology, Stockholm, Sweden,KTH Royal Inst Technol, Dept Mat Sci & Engn, SE-10044 Stockholm, Sweden.
Eriksson, Olle, 1960- (author)
Uppsala universitet,Örebro universitet,Institutionen för naturvetenskap och teknik,Department of Physics and Astronomy, Division of Materials Theory, Uppsala University, Uppsala, Sweden,Uppsala Univ, Dept Phys & Astron, Div Mat Theory, SE-75120 Uppsala, Sweden.;Örebro Univ, Sch Sci & Technol, SE-70182 Örebro, Sweden.,Materialteori
Varga, Lajos Karoly (author)
Wigner Res Ctr Phys, Inst Solid State Phys & Opt, H-1525 Budapest, Hungary.,Institute for Solid State Physics and Optics, Wigner Research Centre for Physics, Budapest, Hungary
Vitos, Levente (author)
Uppsala universitet,KTH,Egenskaper,Uppsala Univ, Dept Phys & Astron, Div Mat Theory, SE-75120 Uppsala, Sweden.;Wigner Res Ctr Phys, Inst Solid State Phys & Opt, H-1525 Budapest, Hungary.,Department of Materials Science and Engineering, KTH Royal Institute of Technology, Stockholm, Sweden; Department of Physics and Astronomy, Division of Materials Theory, Uppsala University, Uppsala, Sweden; Institute for Solid State Physics and Optics, Wigner Research Centre for Physics, Budapest, Hungary,Materialteori,KTH Royal Inst Technol, Dept Mat Sci & Engn, SE-10044 Stockholm, Sweden; Wigner Res Ctr Phys, Inst Solid State Phys & Opt, H-1525 Budapest, Hungary
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 (creator_code:org_t)
2022-11-29
2023
English.
In: Journal of Physics D. - : IOP Publishing. - 0022-3727 .- 1361-6463. ; 56:1
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • The present work investigates how the vanadium (V) content in a series of Al50V (x) (Cr0.33Mn0.33Co0.33)((50-x)) (x = 12.5, 6.5, 3.5, and 0.5 at.%) high-entropy alloys affects the local magnetic moment and magnetic transition temperature as a step towards developing high-entropy functional materials for magnetic refrigeration. This has been achieved by carrying out experimental investigations on induction melted alloys and comparison to ab initio and thermodynamic calculations. Structural characterization by x-ray diffraction and scanning electron microscopy indicates a dual-phase microstructure containing a disordered body-centered cubic (BCC) phase and a B2 phase with long-range order, which significantly differ in the Co and V contents. Ab initio calculations demonstrate a weaker magnetization and lower magnetic transition temperature (T

Subject headings

NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)

Keyword

magnetic materials
high entropy alloys
ab initio
B2 structure
magnetic transition temperature
V content

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