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Title: Effect of additives on Al<sub>2</sub>O<sub>3</sub> based LPG sensors
Authors: Chaudhari, G N
Padole, P R
Patil, S S
Khandekar, U S
Sapkal, V S
Manorama, S V
Issue Date: Feb-2006
Publisher: CSIR
Series/Report no.: H01C17/065
Abstract: <smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="State"><smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="place"> Sensitivity and selectivity of Al<sub>2</sub>O<sub>3</sub> thick films for LPG gas sensor have been examined. The structural properties of Al<sub>2</sub>O<sub>3 </sub>have been examined by means of XRD and the surface morphology by the SEM studies. XRD confirmed the complete phase formation at 800<sup>o</sup>C for 6 h. The sensing properties and response time of (1 wt%) Pd:(10 wt%) Cr<sub>2</sub>O<sub>3</sub> doped Al<sub>2</sub>O<sub>3</sub> have been characterized by d.c. electrical measurements for different gases. The element is exposed to several gases such as LPG, CO, CH<sub>4 </sub> in dry air. It shows good sensitivity and selectivity towards LPG at low operating temperature. </smarttagtype></smarttagtype>
Description: 87-90
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Appears in Collections:IJEMS Vol.13(1) [February 2006]

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