Magnetic order and crystal fields in the Pnma phases of Tm2BaTO5 (T=Co and Ni)
Identifieur interne : 000A31 ( Istex/Checkpoint ); précédent : 000A30; suivant : 000A32Magnetic order and crystal fields in the Pnma phases of Tm2BaTO5 (T=Co and Ni)
Auteurs : S. J Harker [Pays-Bas] ; G. A Stewart [Pays-Bas] ; P. C. M Gubbens [Australie]Source :
- Journal of Alloys and Compounds [ 0925-8388 ] ; 2000.
English descriptors
- KwdEn :
- Acta crystallogr, Additional transition, Bacoo, Bacuo, Banio, Bato, Cobaltate, Doublet, Elsevier science, Exchange interaction, Grid searches, Gubbens, Harker, Magnetic interactions, Magnetic order, Magnetic transition, Mirror plane, Mossbauer, Mossbauer results, Mossbauer spectra, Mossbauer spectroscopy, Nickelate, Order transition, Other techniques, Pnma, Pnma phase, Pnma phases, Pnma structure, Point charge model, Preferred solutions, Quadrupole, Qualitative measure, Sample preparation, Saturation moments, Solid state chem, Solid state commun, Solid state ionics, T5co, Temperature dependence, Temperature range, Thulium, Thulium sites, Transition metal, Tted, University college.
- Teeft :
- Acta crystallogr, Additional transition, Bacoo, Bacuo, Banio, Bato, Cobaltate, Doublet, Elsevier science, Exchange interaction, Grid searches, Gubbens, Harker, Magnetic interactions, Magnetic order, Magnetic transition, Mirror plane, Mossbauer, Mossbauer results, Mossbauer spectra, Mossbauer spectroscopy, Nickelate, Order transition, Other techniques, Pnma, Pnma phase, Pnma phases, Pnma structure, Point charge model, Preferred solutions, Quadrupole, Qualitative measure, Sample preparation, Saturation moments, Solid state chem, Solid state commun, Solid state ionics, T5co, Temperature dependence, Temperature range, Thulium, Thulium sites, Transition metal, Tted, University college.
Abstract
Abstract: The magnetic ordering and crystal field interactions of the Pnma phases of both Tm2BaCoO5 and Tm2BaNiO5 are investigated by 169Tm Mössbauer spectroscopy and the temperature-dependent hyperfine interactions are compared with those obtained elsewhere for Tm2BaCuO5. The Pnma phases are shown to order magnetically at temperatures of 3.5(2) K (Tm2BaCoO5) and 4.85(5) K (Tm2BaNiO5), the order being induced by the transition metal. For Tm2BaNiO5 an additional first-order transition observed at T≤1.4 K is identified with the independent magnetic order of the thulium sub-lattice.
Url:
DOI: 10.1016/S0925-8388(00)00840-9
Affiliations:
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The Pnma phases are shown to order magnetically at temperatures of 3.5(2) K (Tm2BaCoO5) and 4.85(5) K (Tm2BaNiO5), the order being induced by the transition metal. For Tm2BaNiO5 an additional first-order transition observed at T≤1.4 K is identified with the independent magnetic order of the thulium sub-lattice.</div></front></TEI><affiliations><list><country><li>Australie</li><li>Pays-Bas</li></country></list><tree><country name="Pays-Bas"><noRegion><name sortKey="Harker, S J" sort="Harker, S J" uniqKey="Harker S" first="S. J" last="Harker">S. J Harker</name></noRegion><name sortKey="Harker, S J" sort="Harker, S J" uniqKey="Harker S" first="S. J" last="Harker">S. J Harker</name><name sortKey="Stewart, G A" sort="Stewart, G A" uniqKey="Stewart G" first="G. A" last="Stewart">G. A Stewart</name></country><country name="Australie"><noRegion><name sortKey="Gubbens, P C M" sort="Gubbens, P C M" uniqKey="Gubbens P" first="P. C. M" last="Gubbens">P. C. 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