Abstract
Films were deposited on a glass substrates heated at 100°C by alternate deposition of ZnO and Mg3N2 films in an atmosphere of N2 + 0.2% O2. p-type ZnO films with the resistivity of 9.9×103 - 4.5×103Ωcm were grown by Mg3N2 sputtering for 0.2s at 50-70W, whereas an n-type ZnO film was grown for 0.2s at 90W. Appearance of the n-type ZnO film is caused by a decrease of O2-partial pressure in an atmosphere. The contraction of the c-axis due to the incorporation of Mg atoms is found in these p-type and n-type ZnO films. When the Mg3N2-depostion period was extended to 5s, p-type ZnO films were grown in the alternate sputtering at 50W, whereas only insulator films were grown in the alternate sputtering at 70W. The optical band gap of the films increases with both a RF power and a period of Mg3N2-deposition.
Published Version
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call