TG study of the Li[0.4]Fe[2.4]Zn[0.2]O[4] ferrite synthesis

TG study of the Li[0.4]Fe[2.4]Zn[0.2]O[4] ferrite synthesis

Bibliographic Details
Parent link:IOP Conference Series: Materials Science and Engineering
Vol. 110 : Radiation-Thermal Effects and Processes in Inorganic Materials (RTEP2015).— 2016.— [012092, 6 p.]
Main Author: Lysenko E. N. Elena Nikolaevna
Corporate Authors: Национальный исследовательский Томский политехнический университет (ТПУ) Институт неразрушающего контроля (ИНК) Проблемная научно-исследовательская лаборатория электроники, диэлектриков и полупроводников (ПНИЛ ЭДиП), Национальный исследовательский Томский политехнический университет (ТПУ) Институт неразрушающего контроля (ИНК) Кафедра физических методов и приборов контроля качества (ФМПК)
Other Authors: Nikolaev E. V. Evgeny Vladimirovich, Surzhikov A. P. Anatoly Petrovich
Summary:Title screen
In this paper, the kinetic analysis of Li-Zn ferrite synthesis was studied using thermogravimetry (TG) method through the simultaneous application of non-linear regression to several measurements run at different heating rates (multivariate non-linear regression). Using TG-curves obtained for the four heating rates and Netzsch Thermokinetics software package, the kinetic models with minimal adjustable parameters were selected to quantitatively describe the reaction of Li-Zn ferrite synthesis. It was shown that the experimental TG-curves clearly suggest a two-step process for the ferrite synthesis and therefore a model-fitting kinetic analysis based on multivariate non-linear regressions was conducted. The complex reaction was described by a two-step reaction scheme consisting of sequential reaction steps. It is established that the best results were obtained using the Yander three-dimensional diffusion model at the first stage and Ginstling-Bronstein model at the second step. The kinetic parameters for lithium-zinc ferrite synthesis reaction were found and discussed.
Режим доступа: по договору с организацией-держателем ресурса
Language:English
Published: 2016
Subjects:
электронный ресурс
труды учёных ТПУ
ферриты
синтез
кинетический анализ
Online Access:http://dx.doi.org/10.1088/1757-899X/110/1/012092
http://earchive.tpu.ru/handle/11683/18101
Format: Electronic Book Chapter
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=647065

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