Abstract
Chemical composition and surface morphology of Ni-Ga-Fe thin films grown under various sputtering powers and argon gas pressures by r.f. magnetron sputtering technique are studied. X-ray fluorescence results show that the sputtering power has obvious effect on the chemical composition of Ni-Ga-Fe thin films. The argon gas pressure has little effect on the composition of Ni-Ga-Fe thin films. The change in surface morphology of Ni-Ga-Fe films is discussed in terms of root-mean-square (rms) surface roughness values. The grain size and the rms of Ni-Ga-Fe thin films increase with the increase of sputtering power and argon gas pressure. The film deposited at room temperature has a cubic L21 structure and the annealed film shows martensitic structure.
| Original language | English |
|---|---|
| Pages (from-to) | 994-998 |
| Number of pages | 5 |
| Journal | Materials Science and Engineering: A |
| Volume | 438-440 |
| Issue number | SPEC. ISS. |
| DOIs | |
| State | Published - 25 Nov 2006 |
| Externally published | Yes |
Keywords
- Magnetron sputtering
- Ni-Ga-Fe thin film
- Structure
- Surface morphology
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