Spin ladder compound Pb(0.55)Cd(0.45)V(2)O(5): synthesis and investigation

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dc.creatorTsirlin, Alexander A.
dc.creatorShpanchenko, Roman V.
dc.creatorAntipov, Evgeny V.
dc.creatorBougerol, Catherine
dc.creatorHadermann, Joke
dc.creatorVan Tendeloo, Gustaaf
dc.creatorSchnelle, Walter
dc.creatorRosner, Helge
dc.date2007-10-09
dc.date.accessioned2026-07-07T08:35:06Z
dc.date.available2026-07-07T08:35:06Z
dc.descriptionThe complex oxide Pb(0.55)Cd(0.45)V(2)O(5) was synthesized and investigated by means of X-ray powder diffraction, electron diffraction, magnetic susceptibility measurements and band structure calculations. Its structure is similar to that of MV(2)O(5) compounds (M = Na, Ca) giving rise to a spin system of coupled S=1/2 two-leg ladders. Magnetic susceptibility measurements reveal a spin gap-like behavior with Δ~ 270 K and a spin singlet ground state. Band structure calculations suggest Pb(0.55)Cd(0.45)V(2)O(5) to be a system of weakly coupled dimers in perfect agreement with the experimental data. Pb(0.55)Cd(0.45)V(2)O(5) provides an example of the modification of the spin system in layered vanadium oxides by cation substitution. Simple correlations between the cation size, geometrical parameters and exchange integrals for the MV(2)O(5)-type oxides are established and discussed.
dc.description8 pages, 7 figures
dc.identifierhttps://arxiv.org/abs/0710.1806
dc.identifierhttp://arxiv.org/abs/0710.1806
dc.identifierPhys. Rev. B, 76, 104429 (2007)
dc.identifierdoi:10.1103/PhysRevB.76.104429
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/139649
dc.subjectStrongly Correlated Electrons
dc.subjectMaterials Science
dc.titleSpin ladder compound Pb(0.55)Cd(0.45)V(2)O(5): synthesis and investigation
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