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New gas sensing properties of high Tc cuprates by Ram P Gupta; Z Gergintschew; D Schipanski; P.D Vyas is a Engineering article available to read on EtoBox.

What is New gas sensing properties of high Tc cuprates about?

We have discovered an interesting property of high T cuprates, which are popularly known as high temperature superconductors, for c gas sensing applications. Metallic films of YBCO and BSCCO compounds are examined for gas-sensing properties by incorporating them in a FET-sensor structure. These multi-component ceramic oxides exhibited room temperature gas detection capability in comparison to conventional metal-oxides, which are sensitive to gases only at elevated temperatures. The sensor responses to NH H CO, CO NO, NO and hydrocarbon gases are presented and discussed. The results evince that thin film of high T cuprates are highly sensitive to NH 2, c 3 and NO at and around room temperature and less sensitive to other gases. These films, therefore, can be used to realize a room 2 temperature low power FET-gas sensor.

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Author

Ram P Gupta; Z Gergintschew; D Schipanski; P.D Vyas

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0925-4005)

Published

1999

Language

EN

Field

Engineering (Physical Sciences)