Annealing Effect on the Structural and Magnetic Properties of Granular Cu80Fe10Ni10 Ribbons

Moubah, R.; Fnidiki, A.; Omari, N.; Abid, M.; Hlil, E.K.; Lassri, H.

doi:10.1007/s10948-015-3018-5

Cited by 6 publications

(1 citation statement)

References 37 publications

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“…17) Among these metallic alloys, Cu-Ni-Fe is one of the most attractive because copper-base alloys have achieved the highest values of GMR. Several works 13,[18][19][20][21] have recognized that the microstructure of such materials is a significant key to their physical properties. However, because of the complexity of granular systems composed of different magnetic phases and with distributions in the sizes and number densities of magnetic particles, the detailed relationship between the microstructure and the magnetic properties is not yet fully understood.…”

Section: Introductionmentioning

confidence: 99%

Microstructural evolution and magnetic properties of ultrafine solute-atom particles formed in a Cu₇₅–Ni₂₀–Fe₅ alloy on isothermal annealing

Kim¹,

Takeda²,

Bae³

2016

Jpn. J. Appl. Phys.

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Microstructural features strongly affect magnetism in nano-granular magnetic materials. In the present work we have investigated the relationship between the magnetic properties and the self-organized microstructure formed in a Cu75–Ni20–Fe5 alloy comprising ferromagnetic elements and copper atoms. High resolution transmission electron microscopy (HRTEM) observations showed that on isothermal annealing at 873 K, nano-scale solute (Fe,Ni)-rich clusters initially formed with a random distribution in the Cu-rich matrix. Superconducting quantum interference device (SQUID) measurements revealed that these ultrafine solute clusters exhibited super-spinglass and superparamagnetic states. On further isothermal annealing the precipitates evolved to cubic or rectangular ferromagnetic particles and aligned along the 〈100〉 directions of the copper-rich matrix. Electron energy-band calculations based on the first-principle Korringa–Kohn–Rostocker (KKR) method were also implemented to investigate both the electronic structure and the magnetic properties of the alloy. Inputting compositions obtained experimentally by scanning transmission electron microscopy–electron dispersive X-ray spectroscopy (STEM–EDS) analysis, the KKR calculation confirmed that ferromagnetic precipitates (of moment 1.07μB per atom) formed after annealing for 2 × 104 min. Magneto-thermogravimetric (MTG) analysis determined with high sensitivity the Curie temperatures and magnetic susceptibility above room temperature of samples containing nano-scale ferromagnetic particles.

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Section: Introductionmentioning

confidence: 99%

Microstructural evolution and magnetic properties of ultrafine solute-atom particles formed in a Cu₇₅–Ni₂₀–Fe₅ alloy on isothermal annealing

Kim¹,

Takeda²,

Bae³

2016

Jpn. J. Appl. Phys.

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Investigation of Magnetic and Electronic Properties of Sputtered Fe/Au Multilayers

Lassri¹,

Elamiri

Chafai

et al. 2016

J Supercond Nov Magn

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Investigation of Structural and Magnetic Properties in Electrodeposited Co/CoxZn1−x Superlattices

Lghazi

Moubah

Bimaghra

et al. 2017

J Supercond Nov Magn

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Annealing Effect on the Structural and Magnetic Properties of Granular Cu80Fe10Ni10 Ribbons

Cited by 6 publications

References 37 publications

Microstructural evolution and magnetic properties of ultrafine solute-atom particles formed in a Cu₇₅–Ni₂₀–Fe₅ alloy on isothermal annealing

Microstructural evolution and magnetic properties of ultrafine solute-atom particles formed in a Cu₇₅–Ni₂₀–Fe₅ alloy on isothermal annealing

Investigation of Magnetic and Electronic Properties of Sputtered Fe/Au Multilayers

Investigation of Structural and Magnetic Properties in Electrodeposited Co/CoxZn1−x Superlattices

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Annealing Effect on the Structural and Magnetic Properties of Granular Cu80Fe10Ni10 Ribbons

Cited by 6 publications

References 37 publications

Microstructural evolution and magnetic properties of ultrafine solute-atom particles formed in a Cu75–Ni20–Fe5 alloy on isothermal annealing

Microstructural evolution and magnetic properties of ultrafine solute-atom particles formed in a Cu75–Ni20–Fe5 alloy on isothermal annealing

Investigation of Magnetic and Electronic Properties of Sputtered Fe/Au Multilayers

Investigation of Structural and Magnetic Properties in Electrodeposited Co/CoxZn1−x Superlattices

Contact Info

Product

Resources

About

Microstructural evolution and magnetic properties of ultrafine solute-atom particles formed in a Cu₇₅–Ni₂₀–Fe₅ alloy on isothermal annealing

Microstructural evolution and magnetic properties of ultrafine solute-atom particles formed in a Cu₇₅–Ni₂₀–Fe₅ alloy on isothermal annealing