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A microwave μSR spectrometer

  • Session 10. Facilities and Techniques
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Abstract

A microwave-μSR (μWμSR) spectrometer has been developed which operates in the frequency region of 1–2 GHz. The spectrometer geometry is that of longitudinal field (LF)μSR and is typically used in time integral measurements. The high frequency of this instrument distinguishes it from the currently used RFμSR spectrometers and allows high field measurements to be made for normal Mu type systems. This allows one to avoid low field broadening mechanisms that may be present, either from electronic spin-lattice relaxation or nuclear hyperfine interactions.

Technical details of the tunable microwave cavity and the RF coupling scheme are presented. Experimental spectra of Mu lines in SiO2 and GaAs are displayed.

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Authors and Affiliations

  1. TRIUMF and University of British Columbia, V6T 2A3, Vancouver, BC, Canada

    S. R. Kreitzman, J. W. Schneider & K. H. Chow

  2. Department of Physics, Rice University, 77251, Houston, TX, USA

    T. L. Estle & B. Hitti

  3. Department of Physics, Texas Tech University, 79409, Lubbock, TX, USA

    R. L. Lichti

Authors
  1. S. R. Kreitzman
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  2. T. L. Estle
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  3. B. Hitti
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  4. J. W. Schneider
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  5. K. H. Chow
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  6. R. L. Lichti
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Kreitzman, S.R., Estle, T.L., Hitti, B. et al. A microwave μSR spectrometer. Hyperfine Interact 87, 1063–1068 (1994). https://doi.org/10.1007/BF02068505

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  • DOI: https://doi.org/10.1007/BF02068505

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