Epitaxial growth of Co2Cr0.6Fe0.4Al Heusler alloy thin films on MgO (001) substrates by magnetron sputtering
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We demonstrate that single-crystalline epitaxial films of the Heusler alloy Co2Cr0.6Fe0.4Al(CCFA) featuring excellent surface flatness can be grown on MgO (001) substratesby magnetron sputtering deposition at room temperature and subsequent annealingat high temperatures. X-ray pole figure measurements reveal that the films exhibitthe B2-type structure and the [100] direction of the films is rotated by 45° fromthe [100] direction of the MgO substrate. Moreover, their Curie temperatures andsaturation magnetizations are also improved by annealing. The surface roughnessis about 0.2 nm rms according to atomic force microscopy.
- Elsevier B.Vの論文
- 2006-01-15
Elsevier B.V | 論文
- Epitaxial growth of Co2Cr0.6Fe0.4Al Heusler alloy thin films on MgO (001) substrates by magnetron sputtering
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