Effect of the diamagnetic dilution on the magnetic ordering and electrical conductivity in the Co3O2BO3: Ga ludwigite | Научно-инновационный портал СФУ

Effect of the diamagnetic dilution on the magnetic ordering and electrical conductivity in the Co3O2BO3: Ga ludwigite

Тип публикации: статья из журнала

Год издания: 2012

Идентификатор DOI: 10.1134/S1063783412110133

Аннотация: Single crystals of cobalt ludwigite Co3O2BO3 with diamagnetic substitution of Ga3+ ions for a part of the cobalt ions have been grown by the flux method. A detailed investigation of the crystal structure and magnetic properties of the compound has been carried out. A preferred character of the occupation of nonequivalent crystallographic positions by gallium has been revealed. It has been found that the effective magnetic moment and the magnetic ordering temperature are decreased compared to those in the original crystal of the Co3O2BO3 ludwigite. It has been noted that the pronounced magnetic anisotropy observed in the crystallographic ab plane of the original material of the Co3O2BO3 composition disappears in the presence of gallium. DOI: 10.1134/S1063783412110133

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Издание

Журнал: PHYSICS OF THE SOLID STATE

Выпуск журнала: Vol. 54, Is. 11

Номера страниц: 2212-2221

ISSN журнала: 10637834

Место издания: NEW YORK

Издатель: MAIK NAUKA/INTERPERIODICA/SPRINGER

Авторы

  • Ivanova N.B. (Kirensky Institute of Physics,Siberian Branch of the Russian Academy of Sciences)
  • Knyazev Y.V. (Siberian Federal University)
  • Vasiliev A.D. (Kirensky Institute of Physics,Siberian Branch of the Russian Academy of Sciences)
  • Ovchinnikov S.G. (Reshetnev Siberian State Aerospace University)
  • Platunov M.S. (Reshetnev Siberian State Aerospace University)
  • Kazak N.V. (Kirensky Institute of Physics,Siberian Branch of the Russian Academy of Sciences)
  • Bezmaternykh L.N. (Kirensky Institute of Physics,Siberian Branch of the Russian Academy of Sciences)
  • Nizhankovskii V.I. (International Laboratory of High Magnetic Fields and Low Temperatures)

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