Patent ID: 11885009
Assignee: UCHICAGO ARGONNE, LLC
Field: Surface technology, coating (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A method of making a superconducting transition metal nitride film, comprising:
bombarding a substrate with ions consisting of nitrogen ions supplied from an ion beam; and
sputtering by magnetron sputtering from a transition metal target using a noble gas as a working gas, wherein the sputtering is performed substantially simultaneously with the bombarding to thereby deposit a transition metal nitride film onto the substrate, wherein
the method is performed without applied heat and at temperature less than 60° C.;
the ion beam has an energy in a range of 50 eV to 400 eV per N2;
the sputtering is performed at an energy density of about 10 W/in2 to about 50 W/in2;
the transition metal target comprises a transition metal and/or a transition metal alloy,
the ions consisting of nitrogen ions are supplied only from the ion beam; and
the superconducting transition metal nitride film is substantially uniform in one or more of crystal structure and crystal orientation.