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Magnetic ordering in Co c Mg1−c O solid solutions

  • Proceedings of the XIII Feofilov Symposium “Spectroscopy of Crystals Doped By Rare-Earth and Transition-Metal Ions” (Irkutsk, July 9–13, 2007)
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Abstract

The influence of dilution by diamagnetic ions on the magnetic ordering in single-crystal Co c Mg1−c O solid solutions was studied by Raman spectroscopy and magneto-optical microscopy in a wide range of temperatures (6 < T < 200 K). Far infrared absorption measurements of antiferromagnetic resonance (AFMR) were also performed for pure CoO. It was found that the domain structure and the contribution from Brillouin zone center magnons to Raman scattering and AFMR disappear well below the Néel temperature, whose value was determined from neutron diffraction and magnetic susceptibility measurements.

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Authors and Affiliations

  1. Institute of Solid State Physics, University of Latvia, Riga, LV-1063, Latvia

    N. Mironova-Ulmane, U. Ulmanis & A. Kuzmin

  2. Institute of Physics, University of Tartu, Tartu, EE-2400, Estonia

    I. Sildos & M. Pärs

  3. Laboratory Nazionali di Frascati, Istituto Nazionale di Fisica Nucleare, Frascati, Italy

    M. Cestelli Guidi, M. Piccinini & A. Marcelli

  4. Dipartimento di Scienze Geologiche, Universitá Roma Tre, Roma, Italy

    M. Piccinini

Authors
  1. N. Mironova-Ulmane
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  2. U. Ulmanis
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  3. A. Kuzmin
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  4. I. Sildos
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  5. M. Pärs
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  6. M. Cestelli Guidi
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  7. M. Piccinini
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  8. A. Marcelli
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The text was submitted by the authors in English.

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Mironova-Ulmane, N., Ulmanis, U., Kuzmin, A. et al. Magnetic ordering in Co c Mg1−c O solid solutions. Phys. Solid State 50, 1723–1726 (2008). https://doi.org/10.1134/S1063783408090266

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  • DOI: https://doi.org/10.1134/S1063783408090266

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