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Evaluation of the performance of TaN diffusion barrier against copper diffusion using SIMS and AFM
Journal article   Peer reviewed

Evaluation of the performance of TaN diffusion barrier against copper diffusion using SIMS and AFM

W H Teh, L T Koh, S M Chen, J Xie, C Y Li and P D Foo
Electronics letters, v 37(10), pp 660-661
10 May 2001

Abstract

Engineering Engineering, Electrical & Electronic Science & Technology Technology
The reliability of a multilayer ionised metal plasma (TMP) Cu/ LMP TaN plasma enhanced chemical vapour deposited SiO2/Si film structure with different thickness of TaN (10-30nm) is studied. AFM pictures of the surface morphology show roughening after annealing, indicating possible grain growth. SIMS shows abrupt broadening of the mixed regions at 600 degreesC for the 10nm thick TaN barrier and at 800 degreesC for the 30nm thick TaN barrier.

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Domestic collaboration
Web of Science research areas
Engineering, Electrical & Electronic
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