Abstract:
Gas sensing characteristics of YBa2Cu3O7-delta, La2-x SrxCuO4, and Bi2Y1-xCaxSr2Cu2O8 have been examined. La2-x SrxCuO4 (x = 0.075), and Bi2YSr2Cu2O8 are found to show good sensitivity (almost-equal-to 10 ppm) to ethyl alcohol and such vapours.
