Ph.D. in Scienza E Tecnologia Dei Materiali , 26th cycle (2011-2013) Ph.D. obtained in 2014 Dissertation: Metal oxide semiconductors as humidity and NOx sensors for environmental monitoring Tutors: Jean Marc Christian Tulliani Publications Works published during the Ph.D. View all publications in Porto@Iris AHMED ABDELKADER ABDELHAMID, Mohamed (2014)Metal oxide semiconductors as humidity and NOx sensors for environmental monitoring. relatore: Jean-Marc Tulliani, 26. XXVI Doctoral Thesis