Paper Title:

Surface Morphology and Interface Reaction of Cu/SiO2/Si (111) Systems Prepared by Radio Frequency Magnetron Sputtering

Periodical Advanced Materials Research (Volume 487)
Main Theme Emerging Materials and Mechanics Applications
Edited by Elwin Mao and Wenya Tian
Pages 697-700
DOI 10.4028/www.scientific.net/AMR.487.697
Citation Bo Cao et al., 2012, Advanced Materials Research, 487, 697
Online since March, 2012
Authors Bo Cao, Tong Rui Yang, Gong Ping Li
Keywords Cu Films, Interface Reaction, Radio Frequency Magnetron Sputtering, Scanning Electron Microscopy (SEM), Surface Morphology, X-Ray Diffraction (XRD)
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Abstract

The Cu thin films were prepared at room temperature by radio frequency magnetron sputtering on p-type Si (111) substrates. The surface morphology and interface reaction of Cu thin films were studied at different deposition condition by scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results show that the existence of the native silicon oxide layer suppresses the interdiffusion and interface reaction of Cu and Si. The formation of the copper-silicide phase is observed by XRD when the annealing temperature arrives at 450 oC.