Thermomagnetometric analysis of lithium ferrites; Journal of Thermal Analysis and Calorimetry; Vol. 136, iss. 2

Bibliografiske detaljer
Parent link:Journal of Thermal Analysis and Calorimetry
Vol. 136, iss. 2.— 2019.— [P. 441-445]
Hovedforfatter: Astafyev A. L. Alexander Leonidovich
Institution som forfatter: Национальный исследовательский Томский политехнический университет (ТПУ) Институт неразрушающего контроля (ИНК) Проблемная научно-исследовательская лаборатория электроники, диэлектриков и полупроводников (ПНИЛ ЭДиП)
Andre forfattere: Lysenko E. N. Elena Nikolaevna, Surzhikov A. P. Anatoly Petrovich
Summary:Title screen
In this work, the magneto-phase transitions in pure lithium (Li0.5Fe2.5O4), lithium-zinc (Li0.4Fe2.4Zn0.2O4) and lithium-titanium (Li0.6Fe2.2Ti0.2O4) ferrites were studied by the thermogravimetric analysis in magnetic field, which is known as the thermomagnetometry method. The ferrites were prepared by the solid-state synthesis from oxides and carbonates. The Curie point of magnetic phase in ferrites and their composite mixtures was determined from the derivative thermogravimetric curve in the region of ferrite mass change associated with the ferrimagnet-paramagnet transition in the magnetic phase. The method based on the analysis of ferrite mass change at Curie temperature was developed to estimate the ferrite phase concentrations in composite magnetic materials.
Режим доступа: по договору с организацией-держателем ресурса
Sprog:engelsk
Udgivet: 2019
Fag:
Online adgang:https://doi.org/10.1007/s10973-018-7678-9
Format: Electronisk Book Chapter
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=658959
Beskrivelse
Summary:Title screen
In this work, the magneto-phase transitions in pure lithium (Li0.5Fe2.5O4), lithium-zinc (Li0.4Fe2.4Zn0.2O4) and lithium-titanium (Li0.6Fe2.2Ti0.2O4) ferrites were studied by the thermogravimetric analysis in magnetic field, which is known as the thermomagnetometry method. The ferrites were prepared by the solid-state synthesis from oxides and carbonates. The Curie point of magnetic phase in ferrites and their composite mixtures was determined from the derivative thermogravimetric curve in the region of ferrite mass change associated with the ferrimagnet-paramagnet transition in the magnetic phase. The method based on the analysis of ferrite mass change at Curie temperature was developed to estimate the ferrite phase concentrations in composite magnetic materials.
Режим доступа: по договору с организацией-держателем ресурса
DOI:10.1007/s10973-018-7678-9