Dielectric, ferroelectric, and energy storage properties in dysprosium doped sodium bismuth titanate ceramics

被引：97

作者：

Benyoussef, Manal ^{[1
]}

Zannen, Moneim ^{[2
]}

Belhadi, Jamal ^{[1
]}

Manoun, Bouchaib ^{[3
,4
]}

Dellis, Jean-Luc ^{[1
]}

El Marssi, Mimoun ^{[1
]}

Lahmar, Abdelilah ^{[1
]}

机构：

[1] Univ Picardie Jules Verne, Lab Phys Condensed Matter LPMC, Sci Pole, 33 Rue St Leu, F-80039 Amiens 1, France

[2] Univ Sfax, Fac Sci Sfax, Lab Multifunct Mat & Applicat, St Soukra Km 3-5 BP 1171, Sfax 3000, Tunisia

[3] Univ Hassan 1er, LS3M, Khouribga 25000, Morocco

[4] Mohammed VI Polytech Univ, Mat Sci & Nanoengn, Lot 660 Hay Moulay Rachid, Ben Guerir, Morocco

来源：

CERAMICS INTERNATIONAL | 2018年 / 44卷 / 16期

关键词：

NBT-based ceramics; Dielectric properties; Ferroelectric properties; Energy storage; ELECTRICAL-PROPERTIES; PHASE-TRANSITIONS; HIGH-PERFORMANCE; BNT-BT; TEMPERATURE; BEHAVIOR; PERMITTIVITY; DENSITY; SPECTROSCOPY; RAMAN;

D O I：

10.1016/j.ceramint.2018.07.182

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：

In this work, Na-0.5(Bi1-xDYx)(0.5)TiO3 (0 <= x <= 15%) ceramics were prepared via solid state reaction method and were characterized. A stable and pure perovskite phase was revealed by X-ray diffraction analysis for all compositions and a symmetry change from rhombohedral to orthorhombic phase was detected beyond 10% of Dy substitution. The incorporation of Dy3+ into Sodium Bismuth Titanate (Na0.5Bi0.5TiO3) matrix allows a substantial decrease of the coercive field, an increase in the resistivity, and leads to a high stability of the dielectric permittivity (Delta epsilon/epsilon((150) (degrees C)) <= +/- 15%) over a wide temperature range. Furthermore, this system was found to exhibit improved energy storage properties at high temperatures with a maximum energy density of 1.2 J/cm(3) obtained for 2%Dy composition at 200 degrees C. The obtained results are very promising for energy storage capacitors operating at high temperatures.

引用

页码：19451 / 19460

页数：10

共 68 条

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