Large remanent polarization and small leakage in sol-gel derived Bi(Zn 1/2Zr1/2)O3-PbTiO3 ferroelectric thin films

Zhang, Linxing and Chen, Jun and Zhao, Hanqing and Fan, Longlong and Rong, Yangchun and Deng, Jinxia and Yu, Ranbo and Xing, Xianran (2013) Large remanent polarization and small leakage in sol-gel derived Bi(Zn 1/2Zr1/2)O3-PbTiO3 ferroelectric thin films. Dalton Transactions, 42 (2). pp. 585-590. ISSN 1477-9226

Abstract

The applications of ferroelectric thin films such as the sensitivity of nonvolatile ferroelectric random access memories are closely linked with large remnant polarization. The high-TC (1-x)Bi(Zn1/2Zr 1/2)O3-xPbTiO3 (x = 0.7-0.9) thin films with high (100) orientation were fabricated on Pt(111)/Ti/SiO2/Si substrates via a sol-gel method. The thin films could be crystallized well in a phase-pure perovskite structure. The electrical properties of the sol-gel-derived BZZ-PT thin films were investigated. A large remanent polarization with 2Pr up to 110 μC cm-2 and a small leakage current of 3.8 × 10-7 A cm-2 under an electric field of 150 kV cm-1 are observed on the 0.2BZZ-0.8PT thin films. Furthermore, a relatively stable polarization fatigue property was achieved, indicating a potential application in high-temperature ferroelectric devices.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Published version cannot be displayed due to copyright restrictions.
Faculty / Department / School: No Faculty
Date Deposited: 27 Sep 2017 01:57
Last Modified: 27 Sep 2017 05:41
Uncontrolled Keywords: high temperature; High-T; non-volatile ferroelectric random access memories; Perovskite structures; polarization fatigue; potential applications; Pt thin films; Pt(111); remnant polarizations; coating techniques; inorganic compounds; chemical products generally; semiconductor devices and integrated circuits; dielectric materials; electricity, basic concepts and phenomena; Bismuth; Boron; Cadmium; Cobalt; Mercury; Niobium; Selenium; Silicon; Tellurium; Precious Metals; Zinc and Alloys
Fields of Research : 03 Chemical Sciences > 0307 Theoretical and Computational Chemistry > 030703 Reaction Kinetics and Dynamics
03 Chemical Sciences > 0303 Macromolecular and Materials Chemistry > 030306 Synthesis of Materials
09 Engineering > 0904 Chemical Engineering > 090402 Catalytic Process Engineering
Socio-Economic Objective: E Expanding Knowledge > 97 Expanding Knowledge > 970103 Expanding Knowledge in the Chemical Sciences
Identification Number or DOI: 10.1039/c2dt31996a
URI: http://eprints.usq.edu.au/id/eprint/31975

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