Fabrication of High Quality QC Films via the Route of the Amorphous Phase
R. Haberkern, C. Roth, R. Knoefler, S. Schulze, P. Haeussler
Abstract
We discuss the preparation of thin icosahedral films (Al-Cu-Fe and Al-Pd-Re) via the route of the amorphous (a-)phase which in some aspects is a precursor to the icosahedral phase. A direct transition from the a- to the i-phase occurs for Al-Cu-Fe films at 430 C on the time scale of minutes. The resulting films are of good quality as shown by diffraction and electronic transport properties. The surface of the resulting films is very smooth.
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