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http://hdl.handle.net/10397/3249
| Title: | Development of 〈110〉 texture in copper thin films | Authors: | Wei, HL Huang, H Woo, CH Zheng, RK Wen, GH Zhang, XX |
Issue Date: | 1-Apr-2002 | Source: | Applied physics letters, 1 Apr, 2002, v. 80, no. 13, p. 2290-2292 | Abstract: | Apart from the scientific interest, texture development in copper thin films is of crucial importance to their applications as interconnects or corrosion resistant coating. We report here a dominant 〈110〉 texture of copper thin films—preferred for oxidation-resistant applications—deposited by direct current magnetron sputtering. Scanning electron microscopy shows that the copper films go through a transition from 〈111〉 columns to 〈110〉 hillocks as the deposition proceeds. Cross-sectional transmission electron microscopy (TEM) indicates that the 〈110〉 grains nucleate at boundaries of 〈111〉 grains. Further, we have proposed a stress-driven nucleation and growth model of 〈110〉 grains based on the x-ray diffraction characterization and the TEM observations. | Keywords: | Metallic thin films Iintegrated circuit interconnections Corrosion protective coatings Sputtered coatings Scanning electron microscopy Transmission electron microscopy Grain boundaries Grain boundaries X-ray diffraction Sputter deposition Texture |
Publisher: | American Institute of Physics | Journal: | Applied physics letters | ISSN: | 0003-6951 | EISSN: | 1077-3118 | DOI: | 10.1063/1.1466518 | Rights: | © 2002 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in H. L. Wei et al., Appl. Phys. Lett. 80, 2290 (2002) and may be found at http://apl.aip.org/resource/1/applab/v80/i13/p2290_s1 |
| Appears in Collections: | Journal/Magazine Article |
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