The effect of Al substitution on the structural and magnetic properties of epitaxial thin films of epsilon ferrite

被引：22
作者：
Corbellini, Luca [1 ]
Lacroix, Christian [2 ,3 ]
Menard, David [2 ,3 ]
Pignolet, Alain [1 ]
机构：
[1] INRS, Ctr Energie Mat & Telecommun, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, Canada
[2] Polytech Montreal, Dept Genie Phys, Montreal, PQ H3T 1J4, Canada
[3] Polytech Montreal, RQMP, Montreal, PQ H3T 1J4, Canada
来源：
SCRIPTA MATERIALIA | 2017年 / 140卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
Thin film; Epitaxy; Pulsed laser deposition; Magnetism; Ferromagnetic resonance frequency; IRON-OXIDE NANOPARTICLES; FERROMAGNETIC-RESONANCE; COERCIVE FIELD; WAVE ABSORBER; FUNCTIONALIZATION; NANOCRYSTALS;
D O I：
10.1016/j.scriptamat.2017.07.005
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Epitaxial growth of aluminum substituted epsilon ferrite by pulsed laser deposition on strontium titanate and yttrium-stabilized zirconium substrates is demonstrated for a wide range of aluminum substitution. Linear decrease of the out-of-plane lattice parameter with aluminum substitution correlates with the decrease of the coercive magnetic field, while the magnetization first increases and then decreases with increasing aluminum concentration. A characteristic inflexion in the hysteresis loops has been attributed to the presence of a small quantity of magnetite. Epitaxial growth on yttrium-stabilized zirconium is technologically significant due to its use as buffer layer for the growth of complex oxides on silicon. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：63 / 66
页数：4
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