Abstract
Equilibrium shape of the interface between superfluid and crystalline 4He near the (0001) orientation is analyzed. We observe a singular dependence of the contact angle on the wall inclination with respect to the gravity. The energy of a step on the basal plane is measured. From the analysis of the meniscus profile the step-step interaction constant is estimated.
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Keshishev, K.O., Shemyatikhin, D.B. Contact Angle Singularity in 4He Crystals. J Low Temp Phys 150, 282–288 (2008). https://doi.org/10.1007/s10909-007-9552-1
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DOI: https://doi.org/10.1007/s10909-007-9552-1