Authors Jae Hoon Bong, Seong Jun Yoon, Alexander Yoon, Wan Sik Hwang, and Byung Jin Cho 
Journal/Conference Appl. Phys. Lett. 
Date Feb. 2015. 
volume vol. 106 
Page pp. 063112 

Jae Hoon Bong, Seong Jun Yoon, Alexander Yoon, Wan Sik Hwang, and Byung Jin Cho, "Ultrathin graphene and graphene oxide layers as a diffusion barrier for advanced Cu metallization", Appl. Phys. Lett., vol 106, pp.063112, Feb. 2015.