Heusler alloys

Wijn, H.P.J.

doi:10.1007/978-3-642-58218-9_7

Cited by 20 publications

(24 citation statements)

References 31 publications

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“…The phase equilibria in the Co/Co 2 MnSn system were studied with composition along the pseudobinary join Co- [3]. All peaks from hexagonal Co shifted in this sample, which indicated the possibility that the Co precipitate was a solid solution of Co-Mn.…”

Section: Resultsmentioning

confidence: 89%

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Two-Phase Magnet in the Co/Co₂MnSn System

Kim¹,

Yim²,

Lee³

et al. 2011

Journal of Magnetics

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.This study reports on Co/Co 2 MnSn two-phase magnets. The Co/Co 2 MnSn two-phase magnet has Co precipitates in a Co 2 MnSn Heusler alloy matrix, in which the two phases are exchange-coupled at the phase boundary. The as-casted Co/Co 2 MnSn system, which has Co-Mn solid solution precipitates in a Co 2 MnSn Heusler alloy matrix, showed that the Co solid solution precipitates are crystallographically coherent and there is exchange coupling at the phase boundary. To form pure Co precipitates by removal of Mn solute atoms in CoMn solid solution, annealing was carried out 48 hours at 870 o C. After annealing, the low T c and low magnetization phase of the Co-Mn solid solution became a high T c and high magnetization phase of hexagonal Co.

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Section: Resultsmentioning

confidence: 89%

“…Heusler alloys are defined as ternary intermetallic compounds, at the stoichiometric composition X 2 YZ, which have the L2 1 structure [3]. In the Heusler L2 1 structure, the constituent atoms, which may carry a magnetic moment, can occupy simple cubic and body-centered and facecentered cubic sublattices.…”

Section: Resultsmentioning

confidence: 99%

Two-Phase Magnet in the Co/Co₂MnSn System

Kim¹,

Yim²,

Lee³

et al. 2011

Journal of Magnetics

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“…Tailoring the saturation magnetization is best to be conducted using magnetic components with high saturation magnetization, such as iron, if the other components are non-magnetic [ 57 , 58 , 59 ]. In this case, the saturation magnetization can be tailored over a wider range, from nearly zero up to the saturation magnetization of the magnetic component.…”

Section: Why Magnetic Nanowires For Nanobarcodes?mentioning

confidence: 99%

Magnetic Nanowires for Nanobarcoding and Beyond

Kouhpanji

Stadler

2021

Sensors

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Multifunctional magnetic nanowires (MNWs) have been studied intensively over the last decades, in diverse applications. Numerous MNW-based systems have been introduced, initially for fundamental studies and later for sensing applications such as biolabeling and nanobarcoding. Remote sensing of MNWs for authentication and/or anti-counterfeiting is not only limited to engineering their properties, but also requires reliable sensing and decoding platforms. We review the latest progress in designing MNWs that have been, and are being, introduced as nanobarcodes, along with the pros and cons of the proposed sensing and decoding methods. Based on our review, we determine fundamental challenges and suggest future directions for research that will unleash the full potential of MNWs for nanobarcoding applications.

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“…14 3 k-mesh were used for Brillouin zone integration and 104 special k-points in the symmetry irreducible BZ. The muffin tin radii for Fe (4s 2 3d 6 ), Co (4s 2 3d 7 ), Zr (5s 2 4d 2 ) and…”

Section: Computational Detailsmentioning

confidence: 99%

“…Due to their exciting physical properties and promising applications especially in spintronic field [1,2], Heusler alloys [3] have been extensively studied, particularly compounds for which one spin direction presents a gap at the Fermi level (E F ) while the other exhibits a metallic character leading to 100% spin polarization. Special efforts have been dedicated to full Heuslers composed by a main group element with s-p valence electrons and two transition metals.…”

Section: Introductionmentioning

confidence: 99%

Theoretical Study of the Electronic Properties of X₂YZ (X = Fe, Co; Y = Zr, Mo; Z = Ge, Sb) Ternary Heusler: Abinitio Study

Maafa

Rozale

Oughilas

et al. 2020

Annals of West University of Timisoara - Physics

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In the purpose of exploring new Heusler alloys with different magnetic applications, we have employed first principles calculations method within density functional theory. After checking the structural stability of X2YZ Heusler alloys (X = Fe, Co; Y =Zr, Mo and Z = Ge, Sb), we found that Cu2MnAl type structure is more favorable for most compounds except for X2MoGe and Co2MoSb, were the Hg2CuTi structure is energetically more stable. The trends in magnetic and electronic structures can be predicted by the structure types as well as the different kinds of hybridizations between the constituents. Among the two series only two compounds were identified to be true half metals with potential applications in spintronic devices. While one compound was classified as a nonmagnetic semiconductor with a small band gap. For the rest of materials, we found that the metallic behavior is dominant. These materials show possible interesting features in technical applications as well. The effect of distortion on the magnetic properties of Co2ZrGe and Fe2ZrSb showed that the half metallic character was preserved within a moderate range of volume changes, which makes it possible to grow these materials as thin films with modern techniques.

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Heusler alloys

Cited by 20 publications

References 31 publications

Two-Phase Magnet in the Co/Co₂MnSn System

Two-Phase Magnet in the Co/Co₂MnSn System

Magnetic Nanowires for Nanobarcoding and Beyond

Theoretical Study of the Electronic Properties of X₂YZ (X = Fe, Co; Y = Zr, Mo; Z = Ge, Sb) Ternary Heusler: Abinitio Study

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Heusler alloys

Cited by 20 publications

References 31 publications

Two-Phase Magnet in the Co/Co2MnSn System

Two-Phase Magnet in the Co/Co2MnSn System

Magnetic Nanowires for Nanobarcoding and Beyond

Theoretical Study of the Electronic Properties of X2YZ (X = Fe, Co; Y = Zr, Mo; Z = Ge, Sb) Ternary Heusler: Abinitio Study

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Product

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Two-Phase Magnet in the Co/Co₂MnSn System

Two-Phase Magnet in the Co/Co₂MnSn System

Theoretical Study of the Electronic Properties of X₂YZ (X = Fe, Co; Y = Zr, Mo; Z = Ge, Sb) Ternary Heusler: Abinitio Study