Investigations of magnetic and dielectric properties of cupric oxide nanoparticles

Bhalerao-Panajkar R.S.; Shirolkar M.M.; Das R.Maity T.Poddar P.Kulkarni S.K.

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Investigations of magnetic and dielectric properties of cupric oxide nanoparticles

机译：Investigations of magnetic and dielectric properties of cupric oxide nanoparticles

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Cupric oxide nanoparticles of ～810 nm width and 4045 nm length self assembled as large particles ～11.5 μm have been investigated, in the 10325 K temperature range, using magnetic and dielectric measurements. In magnetic measurements a single broad peak at ～230 K in a zero field cooled sample has been observed. Coercivity, in magnetization measurements at 10 K, suggests that the nanoparticles are core-shell type particles with an antiferromagnetic core and a ferromagnetic shell. Dielectric measurements, at various frequencies from 3.7 Hz to 949 kHz, exhibit a sharp peak at 284 K followed by weak anomalies around 213 and 230 K.

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来源
《Solid State Communications》 |2010年第1期|55-60|共6页
作者
Bhalerao-Panajkar R.S.; Shirolkar M.M.; Das R.Maity T.Poddar P.Kulkarni S.K.;
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作者单位

DST Unit on Nanoscience, Department of Physics, University of Pune, Pune-411007, India;

Physical and Materials Chemistry Division, National Chemical Laboratory, Pune-411008, India;

DST Unit on Nanoscience, Department of Physics, Indian Institute of Science Education and Research, Pune-411021, India;

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原文格式 PDF
正文语种英语
中图分类固体物理学;
关键词
A. CuO nanoparticles; A. Dielectric; A. Ferromagnetic; D. Ferroelectric transition;

Investigations of magnetic and dielectric properties of cupric oxide nanoparticles

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