On the dodecahedral site substituted Lu3Fe5O12 ceramics for room temperature magneto-dielectric applications

被引：6
|
作者：
Manimuthu, P. [1 ]
Venkateswaran, C. [1 ]
机构：
[1] Univ Madras, Dept Nucl Phys, Madras 600025, Tamil Nadu, India
来源：
MATERIALS LETTERS | 2015年 / 155卷
关键词：
Functional; Rare-earth Iron Garnet; Ceramics; Solid state route; X-ray photoelectron spectroscopy; Magneto-dielectric;
D O I：
10.1016/j.matlet.2015.04.058
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Materials exhibiting low-field magneto-electric and magneto-dielectric (MD) response at room temperature are essential for utilization in multifunctional devices. Magneto-dielectric properties of Lu3Fe5O12 substituted with a magnetic ion (Terbium) at its dodecahedral (non-magnetic) site are investigated. The measured dielectric permittivity at various magnetic fields exhibits a giant MD effect (similar to 65%) at remarkably low fields (H similar to 1 kOe) at room temperature. The MD response of Lu3Fe5O12 is enhanced due to the coupling effect of substituted magnetic Terbium ions in the non-magnetic Lu-site interacting with the neighboring Fe-sites. Studies suggest a route towards future applications of the MD effect in advanced devices. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：8 / 10
页数：3
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