PbTiO3-Ni0.5Co0.5Fe2O4 multiferroic nanocomposites: Impact of ball-milling on dielectric, magnetic and ferroelectric properties

被引：12

作者：

Lather, Sushma ^{[1
]}

Dalal, Jasvir ^{[1
]}

Gupta, Anjli ^{[1
]}

Singh, Sukhbir ^{[2
]}

Singh, D. P. ^{[3
]}

Dahiya, Sajjan ^{[1
]}

Maan, A. S. ^{[1
]}

Tripathi, Rahul ^{[2
,4
]}

Ohlan, Anil ^{[1
]}

机构：

[1] Maharshi Dayanand Univ, Dept Phys, Rohtak 124001, Haryana, India

[2] Maharshi Dayanand Univ, Univ Inst Engn & Technol, Rohtak 124001, Haryana, India

[3] Thapar Univ, Dept Phys, Patiala 147004, Punjab, India

[4] Chaudhary Bansi Lal Univ, Dept Phys, Bhiwani 127021, India

来源：

CERAMICS INTERNATIONAL | 2019年 / 45卷 / 04期

关键词：

Multiferroics; Ball milling; Nanocomposites; Magnetic properties; Dielectric properties; PHASE-TRANSITION; GRAIN-SIZE; BEHAVIOR; FERRITE; CERAMICS;

D O I：

10.1016/j.ceramint.2018.11.195

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The structural, dielectric, ferroelectric and magnetoelectric (ME) properties of multiferroic [PbTiO3-Ni0.5Co0.5Fe2O4] (PT-NCF) composites have been discussed at room temperature. The uniformly distributed two-phase composites of PbTiO3 (ferroelectric) dispersed into nano-sized Ni0.5Co0.5Fe2O4 (ferromagnetic) of different particle size were synthesized by employing high energy ball milling for 12, 24 and 48 h respectively. The phase and morphology of composites were confirmed by XRD and SEM analysis respectively. The dielectric properties were determined at different frequencies (i.e. from 1 kHz to 1 MHz) and it is observed that the dielectric constant and ferroelectric transition temperature (T-C) decreases with particle size. Further, the ferroelectric behavior of the composites was discussed at room temperature by examining the P-E loops. The magnetic and magneto-electric measurements were performed to analyze the effect of particle size on ferromagnetic and magneto-electric properties of PT-NCF composites. The coexistence of ferroelectric and ferromagnetic properties in composites with strong ME coupling is essential for a good multiferroic composites material and its applications.

引用

页码：4957 / 4963

页数：7

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