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- Title
Calorimetric and spectroscopic study of quasi-one-dimensional Haldane magnets (YNd)BaNiO ( x = 1, 0.75, 0.50, 0.25).
- Authors
Popova, E. A.; Vasil'ev, A. N.; Klimin, S. A.; Narozhnyi, M. V.; Popova, M. N.
- Abstract
The temperature dependences of the heat capacity and optical transmission spectra of quasi-one-dimensional Haldane magnets (YNd)BaNiO ( x = 1, 0.75, 0.50, 0.25) have been studied. All the compounds studied undergoes antiferromagnetic ordering. In the ordered state, the internal magnetic field produces splitting of the ground-state Kramers doublet of Nd ion. The temperature dependences of the magnitude of splitting, as determined from spectroscopic data, were used to calculate the Schottky anomaly on the heat capacity curve. Nonequivalent centers related to neodymium ions have been found in compounds with x = 0.75, 0.50, and 0.25.
- Subjects
MAGNETIC fields; NEODYMIUM; IONS; ANTIFERROMAGNETISM; PROPERTIES of matter
- Publication
Journal of Experimental & Theoretical Physics, 2010, Vol 111, Issue 2, p204
- ISSN
1063-7761
- Publication type
Article
- DOI
10.1134/S1063776110080078