Mapping Nanoscale Domains in a Sol-Gel-Derived (Pb,La) (Zr, Ti)O<suB>3</suB> Thin Film Using Atomic Force Microscopy

Chin. Phys. Lett.

2003, Vol. 20

Issue (4): 465-468 DOI:

Original Articles

Mapping Nanoscale Domains in a Sol-Gel-Derived (Pb,La) (Zr, Ti)O₃ Thin Film Using Atomic Force Microscopy

BA Long¹;SHU Jian¹;SUN Ping²;LU Zu-Hong¹

¹Laboratory of Molecular and Biomolecular Electronics, Southeast University, Nanjing 210096 ²Department of Electronic Engineering, Southeast University, Nanjing 210096

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BA Long, SHU Jian, SUN Ping et al 2003 Chin. Phys. Lett. 20 465-468

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Abstract Local polarization of a sol-gel-derived (Pb,La)(Zr,Ti)O₃ thin film is studied from its piezoelectric response measured by using atomic force microscopy. Topographic and piezoelectric images show that the domain sizes of spontaneous polarization and grain sizes are both within the range of tens to hundreds of nanometers. Nanosized domain arrays have been written in an unpoled region to realize data storage by applying pulse voltage. The results show that the domain sizes grow exponentially when the pulse duration increases.

Keywords: 07.79.Lh 77.80.Dj 77.84.Dy

Published: 01 April 2003

PACS:	07.79.Lh	(Atomic force microscopes)
	77.80.Dj	(Domain structure; hysteresis)
	77.84.Dy

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2003/V20/I4/0465

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