Low Temperature Production of Lead-Free Piezoelectric Thick Films

Lead-free piezoelectric materials have grown in importance through increased environmental concern and subsequent EU legislation. Integration of the next generation lead-free piezoelectric materials with substrates to form functional micro devices has received less attention. A low temperature molte...

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Bibliographic Details
Published inFerroelectrics Vol. 422; no. 1; pp. 50 - 54
Main Authors Lusiola, T., Chelwani, N., Bortolani, F., Zhang, Q., Dorey, R. A.
Format Journal Article Conference Proceeding
LanguageEnglish
Published Colchester Taylor & Francis Group 01.01.2011
Taylor & Francis
Taylor & Francis Ltd
Subjects
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Dielectrics, piezoelectrics, and ferroelectrics and their properties
Exact sciences and technology
Ferroelectricity and antiferroelectricity
Ferroelectrics
KNN
Lead-free
Legislation
low temperature production
Physics
Piezoelectricity and electromechanical effects
Substrates
Temperature
thick films
Potassium Sodium Niobates Mixed
low temperature production
Thick films
Poling
Molten salts
Sodium niobates
KNN
XRD
Lead-free
Ferroelectricity
Powder technology
Piezoelectricity
Lead free ceramics
Sol-gel process
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Summary:Lead-free piezoelectric materials have grown in importance through increased environmental concern and subsequent EU legislation. Integration of the next generation lead-free piezoelectric materials with substrates to form functional micro devices has received less attention. A low temperature molten salt powder synthesis combined with a hybrid powder/sol gel ink film have been used to produce lead free NaNbO 3 /Ka 0.5 Na 0.5 NbO 3 thick films on substrates. The films have exhibited ferroelectric behaviour with piezoelectric coefficients in the region of 18pC/N.
ISSN:0015-0193
1563-5112
DOI:10.1080/00150193.2011.594724