Abstract
Nb 3Ge films grown homoepitaxially onto Nb-rich A15 NbGe films have been prepared by the coevaporation method in UHV (<10 -6 Pa). These homoepitaxial films showed higher T c and lower lattice parameters in an extended range of composition, 22.8–27.0 at% Ge, compared with the films deposited directly onto sapphire substrates.
Published Version
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