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dc.contributor.authorGómez-Romero, P.-
dc.contributor.authorSapiña, F.-
dc.contributor.authorBeltrán-Porter, Daniel-
dc.contributor.authorNavarro, Rafael-
dc.contributor.authorRillo, Conrado-
dc.contributor.authorLera, F.-
dc.identifierdoi: 10.1063/1.346042-
dc.identifierissn: 0021-8979-
dc.identifiere-issn: 1089-7550-
dc.identifier.citationJournal of Applied Physics 67(9): 5998-6000 (1990)-
dc.descriptionUnder the terms of the Creative Commons Attribution (CC BY) license to their work.-- et al.-
dc.description.abstractThe crystal structure and magnetic properties of Co(HPO3)⋅H2O have been determined. The solid crystallizes in space group P c a21, a=8.984(2) Å, b=7.918(2) Å, c=10.139(8) Å, V=721.2 Å3. Z=4 d calc =2.89 g/cm3. The structure consists of layers only connected by hydrogen bonds. These layers can be viewed as formed by zigzag chains of edge‐sharing Co(II)O6 octahedra interconnected by a three atom bridge (O‐P‐O) and a single oxygen bridge. ac magnetic susceptibility measurements show a sharp peak at T c =(10.8±0.1) K, and are consistent with a transition from one‐ to two‐dimensional magnetic order, in agreement with the structure. An analysis of the χT/C vs ε=(1−T c /T) data in the critical region, for T>T c , using a double‐logarithmic plot, yields a critical exponent γ=1.75 for 0.01<ε<0.1, which correspond to a two‐dimensional Ising model.-
dc.description.sponsorshipThe financial support of the Spanish Commission Interministerial de Cienda yTecnologia (C.I.C.Y.T. No. BP086-0187) is acknowledged. M. D. M., P. A. and F. S. thank the Spanish Ministerio de Educacion y Ciencia for predoctoral fellowships and P. G. R. for a postdoctoral fellowship.-
dc.publisherAmerican Institute of Physics-
dc.relation.isversionofPublisher's version-
dc.titleCrystal structure and magnetism of Co(HPO3)⋅H2O: A novel layered compound of Co(II)-
dc.description.versionPeer Reviewed-
dc.contributor.funderComisión Interministerial de Ciencia y Tecnología, CICYT (España)-
dc.contributor.funderMinisterio de Educación y Ciencia (España)-
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