From the antiferromagnetic regime to the spin-glass state in the frustrated spinel system ZnCr2xGa2-2xO4
- 30 May 1985
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 18 (15), 3053-3063
- https://doi.org/10.1088/0022-3719/18/15/014
Abstract
A randomly dilute antiferromagnetic system with spinel structure ZnCr2xGa2-2xO4 (octahedral magnetic sublattice) was studied by means of low-field susceptibility measurements, neutron diffraction experiments and Mossbauer spectra. With decreasing x the antiferromagnetic structure existing for x=1 (TN=13K) is progressively perturbed and a spin-glass phase is established for 0.40<or=x<0.85 as a consequence of the frustration inherent in the octahedral spinel sublattice with only antiferromagnetic interactions.Keywords
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