Elemental Engineering: Epitaxial Uranium Thin Films
Epitaxial films of the well-known alpha orthorhombic structure and an unusual hcp form of uranium have
been grown on Nb and Gd buffers, respectively, by sputtering techniques. In a 5000 Å film of -U a chargedensity
wave has been observed, and its properties are different from those found in the bulk. The 500 Å
hcp-U film has a c/a ratio of 1.901, which is unusually large for the hcp structure. Theoretical calculations
show that this hcp form is metastable and predict that it orders magnetically.
SPRINGELL R.;
LANDER G. H.;
WARD R. C. C.;
COWLEY R. A.;
LING N.;
GOETZE W.;
AHUJA R.;
LUO W.;
JOHANSSON B.;
DETLEFS B.;
2009-01-26
AMER PHYSICAL SOC
JRC50009
1098-0121,
http://prb.aps.org/,
https://publications.jrc.ec.europa.eu/repository/handle/JRC50009,
10.1103/PhysRevB.78.193403,
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