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The c-axis oriented K3Li2Nb5O15 (KLN) tungsten-bronze thin films have been grown on LaNiO3/Si substrates substrates by RF planar magnetron sputtering. The target used in this study is prepared by sintering pressed powder with potassium and lithium enriched composition, 33 mole% K2CO3 22mole% Li2CO3 and 45 mole% Nb2O5. The optimum sputtering conditions for growing tungsten-bronze structure films are...
Recently, lead free materials are being extensively investigated to replace the PZT ceramics. Potassium niobate (KNbO3) single crystals were successfylly grown by the TSSG technique. However, potassium niobate has problems of three phase transition temperatures (cubic to tetragonal, tetragonal to orthorhombic and orthorhombic-rhombohedoral), the orthorhombic structure at room temperature and complicated...
Bi4Ti3O12 (BIT) thick films have been successfully prepared on Pt/ZrO2 substrates by the screen printing technique. Pt bottom and Ag top electrodes were also fabricated at 1300degC for 1 h and 850degC for 10 min by screen printing pastes, respectively. The influence of excess Bi2O3 as a sintering aid was investigated in this study. Screen printable pastes were prepared by kneading appropriated proportions...
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