Сибирский федеральный университет

Тип публикации: статья из журнала

Год издания: 2009

Идентификатор DOI: 10.3103/S1062873809070338

Ключевые слова: Faraday rotations, Field dependence, Germanate glass, In-field, Isolated ions, Magnetic nanoparticles, Magnetic ordering, Magnetic saturation, Near-IR, Phase state, Small clusters, Gadolinium, Glass, Heat treatment, Holmium, Saturation magnetization, Nanoparticles

Аннотация: Germanate glasses doped simultaneously with Fe and rare earth elements Gd, Tb, Dy, and Ho in concentrations of several percent have been investigated. It is shown that the phase state of paramagnetic elements changes from isolated ions and small clusters in the initial glass to crystalline magnetic nanoparticles in the samples subjected to heat treatments. The field dependences of the magnetization of such samples are characterized by magnetic saturation in fields of about 1 kOe and large Faraday rotation in the near-IR region (up to 10 deg/cm in the range from 700 to 800 nm). © Allerton Press, Inc. 2009.

Журнал: Bulletin of the Russian Academy of Sciences: Physics

Выпуск журнала: Vol. 73, Is. 7

Номера страниц: 968-970

• Edelman I.S. (Kirensky Institute of Physics,Siberian Branch,Russian Academy of Sciences)
• Ivanova O.S. (Siberian Federal University)
• Zabluda V.N. (Kirensky Institute of Physics,Siberian Branch,Russian Academy of Sciences)
• Velikanov D.A. (Siberian Federal University)
• Petrakovskaya E.A. (Kirensky Institute of Physics,Siberian Branch,Russian Academy of Sciences)
• Ivantsov R.D. (Kirensky Institute of Physics,Siberian Branch,Russian Academy of Sciences)
• Zaikovskii V.I. (Boreskov Institute of Catalysis Siberian Branch Russian Academy of Sciences)
• Stepanov S.A. (Vavilov State Optical Institute)

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