Tin Oxide and Iron Doped Tin Oxide Thin Films as Gas Sensors

Tin Oxide and Iron Doped Tin Oxide Thin Films as Gas Sensors

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Monitoring of toxic, inflammable and green house gases have become a major concern for present day industries. Detecting low concentrations of such gases has proven to prevent accidents that could occur due to leakage or ignition of gas. Thus gas sensing has grown into a field of research.Depending on the resistance of the sensor the sensing current ranged from few milliamps to nanoamp. ... The temperature of the heater can be controlled externally using a variable current source. The gas cylinders are connected to the quartz tube via mass flow controllers (MFCa#39;s) (CO gas cylinder of 1000 PPM in N2 and 100% pure O2 gas cylinders were used); A ... of the test gas were controlled by appropriately mixing the background gas (in the present case N2) with the test gas.


Title:Tin Oxide and Iron Doped Tin Oxide Thin Films as Gas Sensors
Author:
Publisher:ProQuest - 2007
ISBN-13:

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