ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
The intermetallic compound CePt orders ferromagnetically at a Curie temperature (θC) of 5.8 K.1 The earliest measurement of CePt to identify its ferromagnetism and to determine its θC was actually that of magnetization under pressure up to 7 kbar. Reference has been made to the results,1,2 but the data are only now being presented. Additionally, we are reporting measurement on CePt of low-field ac susceptibility (χac) under pressure up to 16 kbar. Magnetization and χac data both yield plots of θC versus pressure (p); and while measurement of χac gives only a qualitative indication of the pressure dependence of the saturation moment, it is by far the easier experiment. We find d(ln θC)/dp = 1.3 × 10−2 kbar−1, in accord with other studies.3,4 Kappler et al. have reported that CePd (isostructural with CePt) and Ce3Pd5 also order ferromagnetically at 6.5 and 1.5 K, respectively.5 Our measurements of χac under pressure show that d(ln θC)/dp equals 0.6×10−2 kbar−1 for CePd but that it is essentially zero for Ce3Pd5.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.348290
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