Abstract
We have investigated the cubic Laves-phase compounds (Ce1-cGdc)Rh2 across the entire concentration range by means of magnetic measurements and lattice-parameter studies. The magnetic data show that only those cerium atoms having at least three nearest-neighbor gadolinium atoms are magnetic and in the ordered state they couple antiparallel to the gadolinium sublattice. With use of the Ruderman-Kittel-Kasuya-Yosida model and the lattice-parameter data, a value of 0.58 eV is obtained for the effective exchange integral. The x-ray data do not show the change of valency for cerium across the series.
| Original language | English |
|---|---|
| Pages (from-to) | 4393-4397 |
| Number of pages | 5 |
| Journal | Physical Review B |
| Volume | 42 |
| Issue number | 7 |
| DOIs | |
| State | Published - 1990 |
ASJC Scopus subject areas
- Condensed Matter Physics
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