helium film

helium film

[′hē·lē·əm ‚film]
(cryogenics)
A superfluid film that covers any surface in contact with helium II. Also known as Rollin film.
References in periodicals archive ?
Mochel of the University of Illinois at Urbana-Champaign discovered that sound waves passing through a frigid helium film behave differently than they do in either the normal liquid or superfluid.