Majumdar, Abhijit, Robert Daniel Bogdanowicz, and Rainer Hippler. “Ellipsometric Study of Carbon Nitride Films Deposited by DC-Magnetron Sputtering”. Photonics Letters of Poland 3, no. 2 (June 29, 2011): pp. 70–72. Accessed November 24, 2024. http://photonics.pl/PLP/index.php/letters/article/view/3-25.