Figure 7: (i) The response transients to various gases of the gas-sensing Fe-oxide layers of sensor devices calcined at 500°C and 900°C.
(ii) Sensor response to various gases of the sensor devices at 500°C and 900°C [81]. © 2014 RSC Adv. All rights reserved. N. V. Long, Y. Yang, M. Yuasa, C. M. Thi, Y. Cao, T. Nann, M. Nogami, “Gas-sensing properties of p-type α-Fe2O3 polyhedral particles synthesized via a modified polyol method”, RSC Adv., vol. 4, pp. 8250-8255, 2014 [81].
(ii) Sensor response to various gases of the sensor devices at 500°C and 900°C [81]. © 2014 RSC Adv. All rights reserved. N. V. Long, Y. Yang, M. Yuasa, C. M. Thi, Y. Cao, T. Nann, M. Nogami, “Gas-sensing properties of p-type α-Fe2O3 polyhedral particles synthesized via a modified polyol method”, RSC Adv., vol. 4, pp. 8250-8255, 2014 [81].
