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Issue 51, 2017
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Role of compensating Li/Fe incorporation in Cu0.945Fe0.055−xLixO: structural, vibrational and magnetic properties

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Abstract

Doped transition metal oxides, like CuO, are spintronic materials. An increase of magnetic moment has been reported in Fe-doped CuO. Additional secondary doping elements such as Li may further modify magnetism in transition metal oxides due to changes in valence state and size. Such complex doping may generate secondary impurity phases, restricting the success of such applications. Enhancement of magnetic properties strengthens applicability of the materials in devices. Single phase monoclinic Cu0.945Fe0.055−xLixO crystalline powders without any impurity are synthesized. Structural studies, electronic valence state, fine structure, and local geometry of constituent elements confirm the purity of the materials and provide clues to probable reasons leading to enhanced magnetism. Ferromagnetic coupling between neighboring spins is most likely dependent on the spin and separation between the spin species.

Graphical abstract: Role of compensating Li/Fe incorporation in Cu0.945Fe0.055−xLixO: structural, vibrational and magnetic properties

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Publication details

The article was received on 07 Apr 2017, accepted on 26 May 2017 and first published on 22 Jun 2017


Article type: Paper
DOI: 10.1039/C7RA03960C
Citation: RSC Adv., 2017,7, 31970-31979
  • Open access: Creative Commons BY license
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    Role of compensating Li/Fe incorporation in Cu0.945Fe0.055−xLixO: structural, vibrational and magnetic properties

    Mohd. Nasir, N. Patra, Md. A. Ahmed, D. K. Shukla, S. Kumar, D. Bhattacharya, C. L. Prajapat, D. M. Phase, S. N. Jha, S. Biring and S. Sen, RSC Adv., 2017, 7, 31970
    DOI: 10.1039/C7RA03960C

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