Jena Cilensek

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Liquid precursors of (K(0.5)Na(0.5))NbO(3) thin-films were prepared from alkali acetates and niobium ethoxide in 2-methoxyethanol solvent either in a stoichiometric ratio or with 5 or 10 mole % of potassium or sodium acetate excess. Fourier-transform infrared (FTIR) spectroscopy of the dried precursors confirmed the presence of acetate and hydroxyl groups.(More)
Thermal decompositions of the precursors for chemical solution deposition of 0.7 Pb(Mg1/3Nb2/3)O3-0.3 PbTiO3 thin films were studied. The precursors were prepared from lead acetate or acetylacetone-modified lead acetate by diol-based route, and dried at 100 C. Thermal decompositions of the PT, PMN and PMN-PT precursors in air occur stepwise. Between room(More)
The electrical and microstructural characteristics of 1 kX/sq. thick-film thermistors with high positive temperature coefficients of resistivity, i.e. PTC 5093 (Du Pont) fired either on ‘‘green’’ LTCC (low temperature cofired ceramics) substrates or buried within LTCC structures, were evaluated. The active phase (ruthenium oxide) in the PTC thermistors is(More)
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