Hopping conduction in magnesium-exchanged lithium-iron spinels
DOI:
https://doi.org/10.15587/1729-4061.2010.3308Keywords:
spinel, activation energy, Fermi levelAbstract
On the basis of temperature researches of full complex impedance, was derived the basic parameters of hopping conductivity in systems Li0.5 Fe2.5−y MgyO4 ( y = 0.0;0.1;0.3;1.0 ). It is shown that the dominant mechanism of conductivity is hopping in the range of temperatures (295-373К).References
- Islam M.S. Lithium insertion into Fe3O4/ M.S. Islam // Journal of solid state chemistry. – 1988. – V.77. – pp. 180—189.
- Кайкан Л. С. Фізико-хімічні властивості та процеси літієвої інтеркаляції магній-заміщених літій-залізних шпінелей: дис. канд. фізико-математичних наук / Л. С. Кайкан. – Івано-Франківськ, 2007.– 140 с.
- Малышев А. В. Диэлектрические свойства литий-титановой ферритовой керамики / А. В.Малышев, В. В. Пешев, А. М. Притулов // Известия высших учебных заведений. Физика. — 2003. — №7. — с.48—53.
- Аванесян В.Т. Прыжковая проводимость в поликристаллических фотопроводящих слоях Pb3 O4 / В.Т.Аванесян, С.А.Потачев, Е.Л.Баранова // Физика и техника полупроводников. — 2009. — Т. 43, вып. 11, С. 1538-1540.
- Левин Б. Е. Физико-химические основы получения, свойства и применение ферритов: учеб, пособие / Б. Е. Левин, Ю. Д. Третяков, Л. М. Летюк; под ред. Б. Е. Левин. — М.: Металлургия, 1979 — 471 с.
- Шкловский Б. И. Электронные свойства легированных полупроводников: учеб. / Б. И. Шкловский, А. Л. Эфрос.— М., Наука, 1979.– 416 с.
- Гасюк І.М. Мессбауерівські та х-променеві структурні дослідження Mg-заміщених літій-залізних шпінелей / І.М. Гасюк, Л.С. Кайкан, І. П. Яремій С. А .Галігузова, П. П. Якубовський // Науковий вісник Чернівецького університету. — 2009. — Вип. 438. — Фізика. Електроніка. — С. 100—106.
Published
How to Cite
Issue
Section
License
Copyright (c) 2014 Богдан Константинович Остафійчук, Іван Михайлович Гасюк, Лариса Степанівна Кайкан, Володимир Васильович Угорчук, Петро Олегович Сулим, Петро Петрович Якубовський
This work is licensed under a Creative Commons Attribution 4.0 International License.
The consolidation and conditions for the transfer of copyright (identification of authorship) is carried out in the License Agreement. In particular, the authors reserve the right to the authorship of their manuscript and transfer the first publication of this work to the journal under the terms of the Creative Commons CC BY license. At the same time, they have the right to conclude on their own additional agreements concerning the non-exclusive distribution of the work in the form in which it was published by this journal, but provided that the link to the first publication of the article in this journal is preserved.
A license agreement is a document in which the author warrants that he/she owns all copyright for the work (manuscript, article, etc.).
The authors, signing the License Agreement with TECHNOLOGY CENTER PC, have all rights to the further use of their work, provided that they link to our edition in which the work was published.
According to the terms of the License Agreement, the Publisher TECHNOLOGY CENTER PC does not take away your copyrights and receives permission from the authors to use and dissemination of the publication through the world's scientific resources (own electronic resources, scientometric databases, repositories, libraries, etc.).
In the absence of a signed License Agreement or in the absence of this agreement of identifiers allowing to identify the identity of the author, the editors have no right to work with the manuscript.
It is important to remember that there is another type of agreement between authors and publishers – when copyright is transferred from the authors to the publisher. In this case, the authors lose ownership of their work and may not use it in any way.
