Structure and magnetic properties of Cu-Ni alloy nanoparticles prepared by rapid microwave combustion method

被引：69

作者：

Mary, J. Arul ^{[1
]}

Manikandan, A. ^{[1
]}

Kennedy, L. John ^{[2
]}

Bououdina, M. ^{[3
,4
]}

Sundaram, R. ^{[5
]}

Vijaya, J. Judith ^{[1
]}

机构：

[1] Loyola Coll, Dept Chem, Catalysis & Nanomat Res Lab, Madras 600034, Tamil Nadu, India

[2] Vellore Inst Technol VIT Univ, Sch Adv Sci, Div Mat, Madras 600127, Tamil Nadu, India

[3] Univ Bahrain, Coll Sci, Dept Phys, Zallaq, Bahrain

[4] Univ Bahrain, Nanotechnol Ctr, Zallaq, Bahrain

[5] Presidency Coll, Dept Chem, Madras 600005, Tamil Nadu, India

来源：

TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2014年 / 24卷 / 05期

关键词：

microwave combustion; nanoparticles; Cu-Ni alloys; magnetization property; BIMETALLIC NANOPARTICLES; MICROEMULSION SYNTHESIS; FEPT NANOPARTICLES; CO; MICROSTRUCTURES; COPPER; NANO;

D O I：

10.1016/S1003-6326(14)63214-3

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Cu-Ni alloy nanoparticles were prepared by a microwave combustion method with the molar ratios of Cu2+ to Ni2+ as 3:7, 4:6, 5:5, 6:4 and 7:3. The as-prepared samples were characterized by XRD, HR-SEM, EDX and VSM. XRD and EDX analyses suggest the formation of pure alloy powders. The average crystallite sizes were found to be in the range of 21.56-33.25 nm. HR-SEM images show the clustered/agglomerated particle-like morphology structure. VSM results reveal that for low Ni content (Cu5Ni5, Cu6Ni4 and Cu7Ni3), the system shows paramagnetic behaviors, whereas for high Ni content (Cu3Ni7 and Cu4Ni6), it becomes ferromagnetic.

引用

页码：1467 / 1473

页数：7

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