Enhanced ferroelectric properties of BaTiO3 films via rapid thermal processing

Single-crystal BaTiO 3 (BTO) films were prepared by pulsed laser deposition (PLD) on (100) SrRuO 3 (SRO) buffered SrTiO 3 (STO) substrates, which were treated by rapid thermal processing (RTP) in the temperature range of 600–750 ∘ C . The XRD, Ferroelectric test system, Hall effect Test Station and...

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Veröffentlicht in:	Journal of materials science. Materials in electronics 2020-02, Vol.31 (4), p.3130-3136
Hauptverfasser:	Zhang, Min, Deng, Chaoyong
Format:	Artikel
Sprache:	eng
Schlagworte:	Barium titanates Characterization and Evaluation of Materials Chemistry and Materials Science Composite materials Current voltage characteristics Dielectric properties Electric contacts Electrical properties Electrodes Electromagnetism Ferroelectric materials Ferroelectricity Hall effect Interfaces Lasers Leakage current Materials Science Microstructure Optical and Electronic Materials Phase transitions Pulsed laser deposition Pulsed lasers Single crystals Strontium titanates Substrates Thin films
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Beschreibung
Zusammenfassung:	Single-crystal BaTiO 3 (BTO) films were prepared by pulsed laser deposition (PLD) on (100) SrRuO 3 (SRO) buffered SrTiO 3 (STO) substrates, which were treated by rapid thermal processing (RTP) in the temperature range of 600–750 ∘ C . The XRD, Ferroelectric test system, Hall effect Test Station and current–voltage (I–V) characteristics were used to study microstructure and electrical properties. The results show that the RTP temperature can affect the microstructure of films, the contact of the interfaces and ferroelectric properties. The films exhibit small leakage current, resistance, barrier height, and better ferroelectric properties treated by RTP at 650 ∘ C .
ISSN:	0957-4522 1573-482X
DOI:	10.1007/s10854-020-02859-0