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Issue 11, 2016
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Well-saturated ferroelectric polarization in PbTiO3–SmFeO3 thin films

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Abstract

A chemical solution deposition technique was applied to fabricate single-phase 0.9PbTiO3–0.1SmFeO3 thin films on Pt/Ti/SiO2/Si substrates. The film was determined as a tetragonal perovskite structure by synchrotron radiation grazing incident X-ray diffraction (GI-XRD). A well saturated ferroelectric hysteresis loop, free from obvious change from room temperature to 120 °C, was achieved with a large remanent polarization (2Pr ≈ 130 μC cm−2). A weak magnetic nature was also observed, with a saturated magnetization (Ms) ≈ 3 emu cc−1. X-ray absorption spectra (XAS) and X-ray photoelectron spectroscopy (XPS) techniques were employed to detect the oxygen vacancies and study the bonding states of the film.

Introduction to the international collaboration

On the occasion of attending the 14th International IUPAC Conference on High Temperature Materials Chemistry in 2012, Dr Nina Ilinykle (Ural Technical Institute of Telecommunications and Informatics, Russia) visited Beijing and started to cooperate with Dr Xing's group. Our common interests involve phase thermal stability, phase structure and thermodynamic modeling of functional inorganic materials.

Graphical abstract: Well-saturated ferroelectric polarization in PbTiO3–SmFeO3 thin films

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Publication details

The article was received on 17 Aug 2016, accepted on 19 Sep 2016 and first published on 26 Sep 2016


Article type: Research Article
DOI: 10.1039/C6QI00321D
Citation: Inorg. Chem. Front., 2016,3, 1473-1479
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    Well-saturated ferroelectric polarization in PbTiO3–SmFeO3 thin films

    Y. Wang, H. Zhao, L. Zhang, Z. Liu, J. Chen, J. Deng, J. Wang, K. Ibrahim, N. I. Ilinykh and X. Xing, Inorg. Chem. Front., 2016, 3, 1473
    DOI: 10.1039/C6QI00321D

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