Abstract
A newly developed high pressure-low temperature μSR spectrometer was employed for two types of magnetic studies. Firstly we measured the pressure dependence of the local magnetic field Bμ in Fe, Co and Ni at 77 K up to 7 kbar. From the pressure derivative dlnBμ/dP the volume derivative dlnB Hf /dlnV was deduced. In connection with previous room temperature data we calculated the temperature dependence of Bhf at constant volume. It deviates markedly from the temperature dependence of the host magnetization. Secondly, we looked at the pressure dependence of the muonic Knight shift in Sb at 30 K for polycrystalline and single crystal samples. A strong pressure dependence was observed which depends on the orientation of the magnetic field relative to the c-axis. The pressure coefficients of the isotropic and the axial term of the Knight shift were deduced.
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The sample was loaned to us by T. Yamazaki (Univ. Tokyo, Japan)
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Butz, T., Asch, L., Kalvius, G.M. et al. Magnetic studies with μSR at high pressures. Hyperfine Interact 35, 761–764 (1987). https://doi.org/10.1007/BF02394489
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DOI: https://doi.org/10.1007/BF02394489