Uni Hamburg Fachbereich Physik
Logo STM/SPSTM, SPM-Group, Institute of Applied Physics, Hamburg

Alloy of gadolinium and iron (GdFe2 on W(110))

Image size: 140 nm x 140 nm
Tunneling bias: red: 0.3 V,
green: 0.8 V,
blue: 1.2 V

Gadolinium and iron were deposited on the W(110) substrate. They form an alloy, GdFe2, visible as the olive-green areas. A surplus of Gd results in the Gd superstructures, (identical to the Tb superstructures) visible as the blue striped areas.

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