http://www.cnr.it/ontology/cnr/individuo/prodotto/ID2331
Magnetic ordering under strain and spin-peierls dimerization in GeCuO3 (Articolo in rivista)
- Type
- Label
- Magnetic ordering under strain and spin-peierls dimerization in GeCuO3 (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Filippetti, A; Fiorentini, V (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Univ Cagliari, CNR, INFM, SLACS, I-09042 Monserrato, CA, Italy; Univ Cagliari, Dipartimento Fis, I-09042 Monserrato, CA, Italy (literal)
- Titolo
- Magnetic ordering under strain and spin-peierls dimerization in GeCuO3 (literal)
- Abstract
- Studying from first principles the competition between ferromagnetic (FM) and antiferromagnetic (AF) interactions in the charge-transfer-insulator GeCuO3, we predict that a small external pressure should switch the uniform AF ground state to FM, and estimate (using exchange parameters computed as a function of strain) the competing AF couplings and the transition temperature to the dimerized spin-Peierls state. Although idealized as a one-dimensional Heisenberg antiferromagnet, GeCuO3 is found to be influenced by nonideal geometry and side groups. (literal)
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