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Magnetic properties of Ni1−x Cu x Cr2O4(0⩽x⩽1) compounds

Bulletin of Materials Science volume 5, pages 153–161 (1983)Cite this article

Abstract

The compounds Ni1−x Cu x Cr2O4 (0⩽x⩽1) have been synthesised by solid-state reaction between basic nickel(II) carbonate, basic copper(II) carbonate and chromium (III) carbonate in required molar ratios at 800±10°C for 20 hr. The reaction products have been characterized by chemical analyses and powder x-ray diffraction patterns. Magnetic susceptibility has been measured in the temperature range of 300–900 K at 10 kOe. All the products show ferrimagnetic behaviour with the ferrimagnetic Curie temperature (T c) in the range of 50–150 K. The curie temperature increases when copper(II) ion is substituted for nickel(II) ion in NiCr2O4. The experimental values of the average effective magneton number (p-0304;) agree with theoretical values.

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Authors and Affiliations

  1. Department of Chemistry, Gorakhpur University, 273 001, Gorakhpur, India

    B L Dubey, N Nath, B N Tiwari & A Tripathi

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  1. B L Dubey
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  2. N Nath
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  3. B N Tiwari
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  4. A Tripathi
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Dubey, B.L., Nath, N., Tiwari, B.N. et al. Magnetic properties of Ni1−x Cu x Cr2O4(0⩽x⩽1) compounds. Bull. Mater. Sci. 5, 153–161 (1983). https://doi.org/10.1007/BF02744029

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  • DOI: https://doi.org/10.1007/BF02744029

Keywords

  • Nickel(II) chromite
  • copper(II) doped nickel(II) chromite
  • solid state reaction
  • powder x-ray diffraction
  • magnetic susceptibility
  • magneton number