Temperature Dependences of the Dielectric Properties of Lithium-Titanium Ferrite Ceramics

A. V. Malyshev, V. V. Peshev, A. M. Pritulov

Результат исследований: Материалы для журналаСтатья

Аннотация

Temperature dependences of the real ε' and imaginary ε" parts of the complex permittivity of lithium-titanium ferrite ceramics are measured in the frequency range 102-106 Hz at different test-signal amplitudes and dc bias voltages. It is found that the dielectric characteristics of the ceramic samples drastically change in narrow temperature ranges. The assumption is made that relaxators whose reorientation is due to tunneling transitions of electrons inside "bivalent iron ion-trivalent metal ion" pairs are involved in polarization processes. Under certain conditions, the reorientation of relaxators can have collective character.

Язык оригиналаАнглийский
Страницы (с-по)188-191
Число страниц4
ЖурналPhysics of the Solid State
Том46
Номер выпуска1
DOI
СостояниеОпубликовано - янв 2004

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

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