Effect of ion-plasma treatment on oxidation-reduction processes in lithium-titanium-zinc ferrites

International Scientific Conference on "Radiation-Thermal Effects and Processes in Inorganic Materials"

材料科学;物理学

Surzhikov, A.P.^1 ; Lysenko, E.N.^1 ; Gyngazov, S.A.^1 ; Frangulyan, T.S.^1 ; Lamonova, S.A.^1

National Research Tomsk Polytechnic University, 30 Lenin Ave, Tomsk

634050, Russia^1

关键词: Argon plasmas;    Diffusion controlled;    Electrical conductivity;    High temperature treatments;    Ion plasma treatment;    Oxidation reduction;    Partial pressure of oxygen;    Polycrystalline ferrites;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/81/1/012081/pdf
DOI  :  10.1088/1757-899X/81/1/012081

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

We examined the effect of nitrogen, oxygen and argon plasma on the diffusion- controlled oxidation-reduction processes in lithium-titanium-zinc ferrite ceramics by measuring the activation energy of electrical conductivity in the depth of the sample. The experimental results show that the high-temperature treatment in polycrystalline ferrites by nitrogen or argon ion plasma greatly accelerates the oxidation-reduction processes in ferrites and changes the process direction depending on the partial pressure of oxygen.