NiMnGa nanostructures produced by electron beam lithography and Ar-ion etchingD. Auernhammer, M. Schmitt, M. Ohtsuka and M. KohlEur. Phys. J. Special Topics, 158 (2008) 249-254DOI: https://doi.org/10.1140/epjst/e2008-00683-1