Detailed measurements of the crystalline electric field of SrHo2O4
We propose a continuation experiment to measure the crystalline electric field of SrHo2O4 using the IN5 spectrometer in order to map out the low energy part of the spectrum with sufficient resolution. SrHo2O4 belongs to a family of compounds with the formula SrLn2O4, where Ln = Lanthanide. The triangular chains of Ln ions that run along the c-axis make the SrLn2O4 compounds suitable candidates to exhibit geometric frustration. Recent collaboration with a theoretical group has allowed us to start understanding the rather complicated crystal field scheme of one member of this family, SrHo2O4. So far we have made some measurements (using the IN4 spectrometer) of the temperature dependence of the higher energy crystal field levels for this material down to 1.6 K. We would like to now extend this study to measure the changes down to dilution temperatures and with an improved energy resolution in the 0 to 5 meV range using the IN5 instrument. These measurements would further the theoretical understanding of SrHo2O4.
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PETRENKO Oleg; BALAKRISHNAN Geetha; MASON Richard; ROLS Stephane and YOUNG Olga. (2013). Detailed measurements of the crystalline electric field of SrHo2O4. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-03-1698
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