Giant effective pyroelectric coefficients from graded ferroelectric devices

Autor:	Gregory W. Auner, Antonio B. Catalan, Adolph L. Micheli, Norman W. Schubring, F. Jin, Joseph V. Mantese, Ratna Naik
Rok vydání:	1998
Předmět:	Materials science Physics and Astronomy (miscellaneous) Silicon business.industry chemistry.chemical_element Mineralogy Sputter deposition Ferroelectricity Pyroelectricity chemistry Cavity magnetron Optoelectronics Thin film business Pyroelectric crystal Order of magnitude
Zdroj:	Applied Physics Letters. 73:2838-2840
ISSN:	1077-3118 0003-6951
DOI:	10.1063/1.122607
Popis:	Effective pyroelectric coefficients as large as 5 μC/cm2 °C, with peak responsivities at approximately 50 °C, were obtained from compositionally graded barium strontium titanate ferroelectric thin film devices formed on silicon using unbalanced magnetron sputter deposition. These effective pyroelectric coefficients are nearly two orders of magnitude larger than those observed from conventional pyroelectric thin film ferroelectric detectors.
Databáze:	OpenAIRE
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