Dielectric Behavior of Bulk and Nanocrystalline Zn-Mn Ferrite

被引：1
作者：
Pareek, S. P. [1 ]
Prasad, Arun S. [1 ]
Dolia, S. N. [1 ]
Kumar, S. [2 ]
Samariya, Arvind [1 ]
Sharma, P. K. [1 ]
Dhawan, M. S. [1 ]
Asokan, K. [3 ]
Saxena, V. K. [1 ]
Sharma, K. B. [4 ]
机构：
[1] Univ Rajasthan, Dept Phys, Jaipur 302004, Rajasthan, India
[2] Mohan Lal Sukhada Univ, Dept Phys, Udaipur, India
[3] IUAC, Mat Sci, New Delhi 110067, India
[4] PG Coll, SS Jain Subodh, Jaipur 302004, Rajasthan, India
来源：
SOLID STATE PHYSICS: PROCEEDINGS OF THE 55TH DAE SOLID STATE PHYSICS SYMPOSIUM 2010, PTS A AND B | 2011年 / 1349卷
关键词：
Nanoparticles; Dielectric measurements; spinel ferrites;
D O I：
10.1063/1.3605858
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
This paper reports the synthesis of bulk sized Zn0.8Mn0.2Fe2O4 particles by solid state method followed by high energy ball milling at different times yielding nannocrystalline samples of different sizes. The dielectric behavior of the samples has been studied at 300 K as a function of frequency in the range 75 kHz to 10 MHz. Both the real value of dielectric constant (epsilon') and the dielectric loss factor (tan delta) decreases with frequency respectively for the three samples. Also the reduction in the value of epsilon' and tan delta for the ball milled samples is attributed to the least possibility of occurrence of Fe2+ ions at the octahedral site as size reduces.
引用
收藏
页码：309 / +
页数：2
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