Brazhnikov, M.Yu.; Zmeev, D.E.; Golov, A.I.
(Физика низких температур, 2012)
Polycrystalline samples of hcp ⁴He of molar volume Vm = 19.5 cm³ with small amount of ³He impurities
were grown in an annular container by the blocked-capillary method. Three concentrations of ³He, x₃, were studied:
isotopically ...