Title

A novel aqueous solution method for K3Li2Nb5O15 film and powder

RIS ID

21868

Publication Details

Cheng, Z, Wang, X, Ozawa, K & Kimura, H (2007), A novel aqueous solution method for K3Li2Nb5O15 film and powder, Journal of Crystal Growth, 307(2), pp. 353-357.

Abstract

K3Li2Nb5O15 (KLN) is fabricated from a peroxide precursor. In the fabrication of the peroxide precursor solution, a hydrogen peroxide aqueous solution (H2O2) reacts with niobium ethoxide, potassium ethoxide, and lithium ethoxide in ethanol solution with a K:Li:Nb ratio of 3:2:5 to form the precursor solution. XRD and Raman spectra of the heat-treated powder show that the pure K3Li2Nb5O15phase can form at a temperature as low as 500°C. Ferroelectric KLN thin film was also fabricated from this clear precursor solution by spin coating, and it displays ferroelectric polarization hysteresis behavior. It is demonstrated that the solution is a novel precursor for KLN with the advantages of low sintering temperature and simplicity.

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Link to publisher version (DOI)

http://dx.doi.org/10.1016/j.jcrysgro.2007.07.011