期刊
ELECTRONIC MATERIALS LETTERS
卷 14, 期 3, 页码 370-375出版社
KOREAN INST METALS MATERIALS
DOI: 10.1007/s13391-018-0026-1
关键词
Nanoparticles; Dielectric; Magnetic; Multiferroics; Magnetodielectric
资金
- Department of Science and Technology (DST), Government of India [INT/UKR/P-17/2015]
- Ministry of Education and Science of Ukraine through Indo-Ukraine International project Spectroscopy study of multifunctional multiferroics materials (Protocol MES of Ukraine)
Multiferroic copper oxide (CuO) nanoparticles have been synthesized by colloidal synthesis method. The morphological, structural, magnetic, dielectric and magnetodielectric property has been investigated. The structural study reveals the monoclinic structure of CuO nanoparticles. Transmission electron microscopy images disclose that the size of the CuO nanoparticles is 18 nm and the synthesized nanoparticles are uniform in size and dispersion. Magnetic study tells the weak ferromagnetic character of CuO nanoparticles with coercivity and retentivity value 206 Oe and 0.060 emu/g respectively. Dielectric study confirms that the dielectric constant of CuO nanoparticles is around 1091 at low frequency. The magnetoelectric coupling in the synthesized CuO nanoparticles has been calculated by measuring magnetodielectric coupling coefficient.
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