Magnetic properties of Ni/NiO nanocomposites synthesized by one step solution combustion method |
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| Institution: | 1. Nanofunctional Materials Lab, Department of Physics, Cochin University of Science and Technology, Kochi, Kerala 682022, India;2. Department of Physics, Mohanlal Sukhadia University, Udaipur 313001, India;1. School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China;2. Beijing Key Lab of New Energy Materials and Technology, Beijing 100083, China;1. Department of Chemistry, Al-Azhar University, PO Box 1277, Gaza, Palestine;2. Laboratoire de Chimie de la Matière Condensée de Paris, Université Piere Curie-Paris 6, CNRS, College de France, 11 place Marcelin Berthelot, Paris 75231, France;1. Key Laboratory of Aerospace Materials and Performance (Ministry of Education), School of Materials Science and Engineering, Beihang University, No.37 Xueyuan Road, Beijing, 100191, China;2. China Iron & Steel Research Institute Group, Advanced Technology & Materials Co., Ltd, No.76 Xueyuannanlu, Haidian District, Beijing, 100081, China;3. Faculty of Engineering, Iwate University, Ueda, Morioka, 020-8551, Japan;4. Beijing National Laboratory for Molecular Sciences (BNLMS), The State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China;1. Department of Physics, Jayaraj Annapackiam College for Women, Periyakulam, India;2. Department of Physics, Mother Teresa Women’s University, Kodaikanal, India;3. Nanotechnology and Catalysis Research Centre, University of Malaya, Kuala Lumpur, Malaysia;1. Department of Chemistry, University of Missouri ? Kansas City, Kansas City, MO 64110, USA;2. Hubei Collaborative Innovation Center for Advanced Organochemical Materials, Ministry-of-Education Key Laboratory for the Synthesis and Applications of Organic Functional Molecules, Hubei University, Wuhan, Hubei 430062, China |
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| Abstract: | Ni/NiO nanocomposites were synthesized using solution combustion method and characterized with X-ray diffraction (XRD), transmission electron microscopy (TEM), selected area electron diffraction (SAED), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDAX) and carbon, hydrogen, nitrogen (CHN) analyser. The Ni or NiO content in Ni/NiO nanocomposites vary with the quantity of HNO3 used for the synthesis. Magnetic coercivity (Hc) of Ni/NiO nanocomposites is found to be 413 Oe which can be used in magnetic applications. A feeble exchange bias of 7 Oe is seen from the NiO rich Ni/NiO. |
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| Keywords: | Magnetic materials Nanostructures Semiconductors X-ray diffraction Magnetic properties |
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