Quadrupolar and magnetic ordering in {bold CeB}{sub 6}
- Departement de Recherche Fondamentale sur la Matiere Condensee, SPSMS/MDN, CENG, 17, rue des Martyrs, 38054 Grenoble Cedex 9 (France)
The quadrupolar ordering in CeB{sub 6} is explained in terms of the electrostatic interaction of quadrupolar moments arranged into a simple cubic lattice. The representation of magnetic and quadrupolar moments by means of quasispins of two kinds is employed. A linear increase of the quadrupolar transition temperature T{sub Q}(H) with applied magnetic field and its further reentrance are described using a generalized spherical model which is well adjusted to a particular problem of the quadrupolar ordering in CeB{sub 6}. The theory naturally explains the growing specific heat jump at T{sub Q}(H) with increasing magnetic field. The role of the quadrupolar ordering in the formation of the magnetic ordering, as well as the possible critical experiments and applications to other rare-earth compounds, are discussed. {copyright} {ital 1997} {ital The American Physical Society}
- OSTI ID:
- 563160
- Journal Information:
- Physical Review, B: Condensed Matter, Vol. 55, Issue 13; Other Information: PBD: Apr 1997
- Country of Publication:
- United States
- Language:
- English
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