D. DasK. H. ChenS. ChattopadhyayL. C. Chen2020-06-202020-06-20200200218979https://scholars.lib.ntu.edu.tw/handle/123456789/503917Spectroscopic Studies of Nitrogenated Amorphous Carbon Films Prepared by Ion Beam Sputteringjournal articlehttps://doi.org/10.1063/1.1459610