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Titolo:
STABILITY AND OXIDATION OF THE SANDWICH-TYPE GAS SENSORS BASED ON THIN METAL-FILMS
Autore:
GALDIKAS A; KACIULIS S; MATTOGNO G; MIRONAS A; SENULIENE D; SETKUS A;
Indirizzi:
INST SEMICOND PHYS,A GOSTAUTO 11 LT-2600 VILNIUS LITHUANIA INST SEMICOND PHYS LT-2600 VILNIUS LITHUANIA CNR,ICMAT I-00016 MONTEROTONDO ITALY
Titolo Testata:
Sensors and actuators. B, Chemical
fascicolo: 1-3, volume: 48, anno: 1998,
pagine: 376 - 382
SICI:
0925-4005(1998)48:1-3<376:SAOOTS>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Keywords:
SANDWICH TYPE GAS SENSOR; THIN METAL FILM; OXIDATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
6
Recensione:
Indirizzi per estratti:
Citazione:
A. Galdikas et al., "STABILITY AND OXIDATION OF THE SANDWICH-TYPE GAS SENSORS BASED ON THIN METAL-FILMS", Sensors and actuators. B, Chemical, 48(1-3), 1998, pp. 376-382

Abstract

The stability of the properties is investigated in the new family of the solid-state gas sensors based on various thin metal films (Pt, Au,Ni, Mo) with the modifying top layer of tin oxide. The resistance response to exposure to gas is demonstrated being stable within certain interval of temperatures. The limits of the interval depend on the metal selected for the basic layer. The variation of the chemical composition is also studied in the sensors after overheating in the clean or contaminated air. The drift of the electric resistance and the mechanism of gas sensitivity are discussed on the basis of the oxidation of the metal film. (C) 1998 Elsevier Science S.A. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
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