Crystal structure and magnetism of Co(HPO3)⋅H2O : A novel layered compound of Co(II)
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Crystal structure and magnetism of Co(HPO3)⋅H2O : A novel layered compound of Co(II)

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Crystal structure and magnetism of Co(HPO3)⋅H2O : A novel layered compound of Co(II)

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dc.contributor.author Marcos, María Dolores
dc.contributor.author Gómez Romero, Pedro
dc.contributor.author Amorós del Toro, Pedro José
dc.contributor.author Sapiña Navarro, Fernando
dc.contributor.author Beltrán Porter, Daniel
dc.contributor.author Navarro, R.
dc.contributor.author Rillo, C.
dc.contributor.author Lera, F.
dc.date.accessioned 2010-06-08T11:04:21Z
dc.date.available 2010-06-08T11:04:21Z
dc.date.issued 1990
dc.identifier.uri http://hdl.handle.net/10550/12919
dc.language.iso en en
dc.relation http://scitation.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=JAPIAU000067000009005998000001&idtype=cvips&prog=normal&doi=10.1063/1.346042 en
dc.source MARCOS, M.D. ; GÓMEZ ROMERO, P. ; AMORÓS, P. ; SAPIÑA, F. ; BELTRÁN PORTER, D. ; NAVARRO, R. ; RILLO, C. ; LERA, F. Crystal structure and magnetism of Co(HPO3)⋅H2O: A novel layered compound of Co(II). En: Journal of Applied Physics, 1990, vol. 67, no. 9 en
dc.subject Cobalt Compounds ; Acid Phosphates ; Hydrates ; Layers ; Crystal Structure ; Magnetic Properties ; Lattice Parameters ; Space Groups ; Hydrogen Bonds ; Magnetic Susceptibility ; Magnetic Structure ; Critical Exponents ; Ising Model ; Medium Temperature en
dc.title Crystal structure and magnetism of Co(HPO3)⋅H2O : A novel layered compound of Co(II) en
dc.type info:eu-repo/semantics/article en
dc.type info:eu-repo/semantics/publishedVersion en
dc.subject.unesco UNESCO::FÍSICA en
dc.identifier.doi 10.1063/1.346042 en
dc.description.abstractenglish The crystal structure and magnetic properties of Co(HPO3)⋅H2O have been determined. The solid crystallizes in space group Pca21, a=8.984(2) Å, b=7.918(2) Å, c=10.139(8) Å, V=721.2 Å3. Z=4 dcalc =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 Tc =(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−Tc/T) data in the critical region, for T>Tc, 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. en
dc.description.private Pedro.Amoros@uv.es ; Pedro.Gomez-Romero@uv.es ; Daniel.Beltran@uv.es en

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