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| Content Provider | Springer Nature Link |
|---|---|
| Author | Matylitskaya, Volha A. Bock, Wolfgang Thoma, Klaus Kolbesen, Bernd O. |
| Copyright Year | 2006 |
| Abstract | The oxidation and nitridation processes of niobium films in a rapid thermal processing (RTP) – system were investigated. 200 and 500 nm niobium films were deposited via sputtering on sapphire-(1-102)-substrate. At first niobium films were oxidized in molecular oxygen at temperatures ranging from 350 to 500 °C and for times of 1, 2 and 5 min and then nitridated in ammonia at 1000 °C for 1 min using an RTP system. For characterisation of the niobium films complementary analytical methods were used: X-ray diffraction (XRD) for phase analysis, secondary ion mass spectrometry (SIMS) for determining the elemental depth profiles of the films, scanning electron microscopy (SEM) and atomic force microscopy (AFM) for characterisation of the surface morphology of the films. The influence of the substrate, single crystalline sapphire, on the reactivity of the niobium films was studied in dependence of temperature, time of reaction and film thickness. The possibility of existence of niobium oxynitride phase was investigated. According to XRD and SIMS data, there is evidence that an oxynitride phase is formed after oxidation and subsequent nitridation in the bulk of some Nb films. In some of the experiments crack formation in the films or even delamination of the Nb films from the substrates was observed. |
| Starting Page | 33 |
| Ending Page | 37 |
| Page Count | 5 |
| File Format | |
| ISSN | 00263672 |
| Journal | Microchimica Acta |
| Volume Number | 156 |
| Issue Number | 1-2 |
| e-ISSN | 14365073 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2006-07-17 |
| Publisher Place | Vienna |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Analytical Chemistry Inorganic Chemistry Physical Chemistry Characterization and Evaluation Materials Monitoring/Environmental Analysis/Environmental Ecotoxicology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Analytical Chemistry |
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