Abstract

The nuclear susceptibility of liquid 3He in Grafoil pre-plated by 2.5 and 3.5 layers of 4He has been studied with a cw NMR method at temperatures between 0.7 and 100 mK under various liquid pressures. The 3.5 layers of 4He pre-plating suppresses a formation of the first and second solid 3He layer, eliminating most of surface magnetization at saturated vapor pressure. However, with increasing liquid pressure, a magnetization obeying a Curie Weiss law gradually grows in the same way as in the previous experiment for pure liquid 3He. This magnetization, induced by pressurization, is attributable to the formation of solid 3He layer above the pre-plated 4He.

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