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Ca.sub.2./sub.Y.sub.2./sub.Cu.sub.5./sub.O.sub.10./sub.: The first frustrated quasi-1D ferromagnet close to criticality
- 1.0384230 - FZÚ 2013 RIV US eng J - Journal Article
Kuzian, R.O. - Nishimoto, S. - Drechsler, S.L. - Málek, Jiří - Johnston, D. - van den Brink, J. - Schmitt, M. - Rösner, H. - Matsuda, M. - Oka, K. - Yamaguchi, H. - Ito, T.
Ca2Y2Cu5O10: The first frustrated quasi-1D ferromagnet close to criticality.
Physical Review Letters. Roč. 109, č. 11 (2012), "117209-1"-"117209-5". ISSN 0031-9007. E-ISSN 1079-7114
Institutional research plan: CEZ:AV0Z10100520
Keywords : inelastic neutron scattering * exchange integrals * RIXS spectra
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 7.943, year: 2012
From inelastic neutron scattering data we extract exchange integrals J1 and J2, both significantly larger than previous estimates. We establish that vicinity to criticality results in dramatic temperature dependence of Zhang-Rice singlet excitations.
Permanent Link: http://hdl.handle.net/11104/0213942
Number of the records: 1