Long- and Short-Range Magnetic Order in Titanomagnetite

Abstract—It is shown that the method of random exchange-interaction fields is suitable for identifying the temperature interval where the short-range magnetic order is still present while the long-range order is already absent. On this interval, the state of the magnetic system is a set of ferromagnetic clusters whose magnetic moment can vary with time and ensure magnetic viscosity. In the paper, the Curie point and paramagnetic Curie point are determined for a two-sublattice ferrimagnetic with the distribution of iron ions corresponding to titanomagnetite.

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The work was conducted in partial fulfillment of the state contract with the Ministry of Science and Higher Education of the Russian Federation no. 0657-2020-0005.

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Correspondence to V. I. Belokon or O. I. Dyachenko.

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Translated by M. Nazarenko

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Belokon, V.I., Dyachenko, O.I. Long- and Short-Range Magnetic Order in Titanomagnetite. Izv., Phys. Solid Earth 56, 888–891 (2020). https://doi.org/10.1134/S1069351320060014

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  • titanomagnetite
  • Curie point
  • long-range magnetic order
  • short-range magnetic order
  • rock magnetism