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Synthesis of Magnetic CuNi Nanoalloys by Sol-Gel-Based Pechini Method.

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Title: Synthesis of Magnetic CuNi Nanoalloys by Sol-Gel-Based Pechini Method.
Authors: de Leon-Quiroz, E. L.1, Obregon, D. Vazquez2, Pedraza, A. Ponce3, Jose-Yacaman, M.4, Garcia-Cerda, L. A.1
Source: IEEE Transactions on Magnetics. Aug2013 Part 1, Vol. 49 Issue 8, p4522-4524. 3p.
Subjects: Copper alloys, Magnetic properties of metals, Sol-gel processes, Chemical precursors, Atomic absorption spectroscopy, X-ray scattering, Temperature measurements
Abstract: Magnetic CuNi nanoalloys with different compositions were prepared by sol-gel-based Pechini method. A precursor material was prepared using citric acid, ethylene glycol, copper chloride and nickel chloride. The CuNi nanoalloys were obtained by calcination of the precursor material in H2/N2 atmosphere at 600 ^\circC. The composition, structure, morphology and magnetic properties of the CuNi nanoalloys were characterized by atomic absorption spectroscopy (AAS), X-ray diffraction (XRD), high resolution transmission electron microscopy and vibrating sample magnetometry. AAS studies confirmed the expected Cu:Ni ratios in these nanoalloys. The XRD patterns showed the formation of fcc phase in the CuNi nanoalloys. The morphological characteristics of the CuNi nanoalloys show quasi-spherical particles with sizes in the range of 20–70 nm. Magnetic measurements reveal that the CuNi nanoalloys are typical soft magnetic materials. [ABSTRACT FROM PUBLISHER]
Copyright of IEEE Transactions on Magnetics is the property of IEEE and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Synthesis of Magnetic CuNi Nanoalloys by Sol-Gel-Based Pechini Method.
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  Data: <searchLink fieldCode="DE" term="%22Copper+alloys%22">Copper alloys</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+properties+of+metals%22">Magnetic properties of metals</searchLink><br /><searchLink fieldCode="DE" term="%22Sol-gel+processes%22">Sol-gel processes</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+precursors%22">Chemical precursors</searchLink><br /><searchLink fieldCode="DE" term="%22Atomic+absorption+spectroscopy%22">Atomic absorption spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+scattering%22">X-ray scattering</searchLink><br /><searchLink fieldCode="DE" term="%22Temperature+measurements%22">Temperature measurements</searchLink>
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  Data: Magnetic CuNi nanoalloys with different compositions were prepared by sol-gel-based Pechini method. A precursor material was prepared using citric acid, ethylene glycol, copper chloride and nickel chloride. The CuNi nanoalloys were obtained by calcination of the precursor material in H2/N2 atmosphere at 600 ^\circC. The composition, structure, morphology and magnetic properties of the CuNi nanoalloys were characterized by atomic absorption spectroscopy (AAS), X-ray diffraction (XRD), high resolution transmission electron microscopy and vibrating sample magnetometry. AAS studies confirmed the expected Cu:Ni ratios in these nanoalloys. The XRD patterns showed the formation of fcc phase in the CuNi nanoalloys. The morphological characteristics of the CuNi nanoalloys show quasi-spherical particles with sizes in the range of 20–70 nm. Magnetic measurements reveal that the CuNi nanoalloys are typical soft magnetic materials. [ABSTRACT FROM PUBLISHER]
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  Data: <i>Copyright of IEEE Transactions on Magnetics is the property of IEEE and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1109/TMAG.2013.2259225
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        Text: English
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      – SubjectFull: Copper alloys
        Type: general
      – SubjectFull: Magnetic properties of metals
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      – SubjectFull: Sol-gel processes
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      – SubjectFull: Chemical precursors
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      – SubjectFull: Atomic absorption spectroscopy
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      – SubjectFull: X-ray scattering
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      – SubjectFull: Temperature measurements
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      – TitleFull: Synthesis of Magnetic CuNi Nanoalloys by Sol-Gel-Based Pechini Method.
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              Text: Aug2013 Part 1
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