Abstract
Direct nuclear demagnetization is used to cool high density solid3He into the magnetically ordered phases. The pressure change in the samples is detected by a capacitive strain gauge. The entropy of the samples is removed by precooling to a temperature of 0.5 mK in a field of 2.5 T. For a bcc sample with a molar volume of 20.10 cm3/mol, two magnetic transitions have been observed. A similar experiment on an hcp sample with a molar volume of 19.65 cm3/mol is being done. Preliminary data indicates no abrupt change in the pressure as observed in the bcc sample.
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W. Ni, J. S. Xia, E. D. Adams, P. S. Haskins, and J. E. McKisson,J. Low Temp. Phys. 99, 167 (1995).
H. Yano, H. Kondo, T. Suzuki, Y. Minamide, T. Kato, Y. Miura, and T. Mamiya,Phys. Rev. Lett. 65, 3401 (1990).
Y. Takano, N. Nishida, Y. Miura, H. Fukuyama, H. Ishimoto, and S. Ogawa,Phys. Rev. Lett. 55, 1490 (1985).
Y. Miura, S. Abe, S. Sugiyama, T. Mamiya and R. C. Richardson,Quantum Fluids and Solids — 1989, G. G. Ihas and Y. Takano, eds. (AIP, New York, 1989) p. 267.
See for example, A. Abragam,C. R. Acad. Sc. Paris 284, 255 (1977).
T. Okamoto, H. Fukuyama, H. Akimoto, H. Ishimoto, and S. Ogawa,Phys. Rev. Lett. 72, 868 (1994); T. Okamoto, Ph.D. thesis, University of Tokyo, 1991, unpublished.
D. S. Greywall and P. A. Busch,Phys. Rev. B 36, 6853 (1987).
S. Abe, T. Takeuchi, H. Kondo, T. Suzuki, H. Yano, Y. Miura, and T. Mamiya,Phys. Rev. Lett 70, 473 (1993).
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Lang, T., Moyland, P.L., Sergatskov, D.A. et al. Pressure measurement during nuclear demagnetization of BCC and HCP solid3He. J Low Temp Phys 101, 677–681 (1995). https://doi.org/10.1007/BF00753373
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DOI: https://doi.org/10.1007/BF00753373