Abstract
Abstract Para- and ferroelectric layers of KTa1−xNbxO3 (KTN) could be grown on pure and Sn-doped (100) KTaO3 substrates by liquid phase epitaxy from KF/KTN, K2MoO4/KTN and KTN/K2O solutions. Depending on the required layer thickness either dilute solutions of KTN and KF, K2MoO4 or a KTN melt with an excess of K2O were used. Lattice fitting could be achieved by the growth of KTN:Na layers. The epitaxially grown samples were analysed by optical microscopy, wavelength dispersive electron probe microanalysis, scanning electron microscopy, x-ray and dielectric measurements. Ferroelectricity at room temperature was demonstrated by hysteresis loop measurements.
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