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Magnetic susceptibility of He-3 nano-clusters.

Research output: Contribution to journalJournal article


Journal publication date11/1998
JournalJournal of Low Temperature Physics
Number of pages6
Original languageEnglish


Using pulsed NMR, we have measured the magnetic susceptibility versus temperature of He-3 nano-clusters embedded in a matrix of He-4, following phase separation of the mixture. Measurements were made in the temperature range from 2 mK to 35 mK at three different pressures, 3.647 MPa, 3.410 Mpa and 3.075 MPa, for which the samples remain all solid, undergo partial melting, or are separated as a liquid, respectively. For 3.410 MPa, for which partial melting occurs near 15 mK, measurements up to 35 mK suggest a positive Weiss theta, which would indicate a ferromagnetic tendency.