An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Cunningham, C.
, Park, G.
, Cabrera, B.
and Huber, M.
(1993),
Absolute Magnetic Penetration Depth of Thin-film Niobium Measured by Fluxoid Quantization, Applied Physics Letters
(Accessed June 2, 2023)