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Spin-gap and antiferromagnetic correlations in low-dimensional PbNi2-xAxV2O8 compounds (A = Mg, Co)

dc.contributor.authorMastoraki, I.en
dc.contributor.authorLappas, A.en
dc.contributor.authorSchneider, R.en
dc.contributor.authorGiapintzakis, Johnen
dc.creatorMastoraki, I.en
dc.creatorLappas, A.en
dc.creatorSchneider, R.en
dc.creatorGiapintzakis, Johnen
dc.date.accessioned2019-05-06T12:24:08Z
dc.date.available2019-05-06T12:24:08Z
dc.date.issued2002
dc.identifier.urihttp://gnosis.library.ucy.ac.cy/handle/7/48622
dc.description.abstractThe effect of the impurity doping in the quantum-spin chains of the PbNi2V2O8 Haldane-gap compound is studied. We report elastic neutron scattering and bulk magnetic susceptibility measurements on the quasi-one-dimensional system PbNi2-xAxV2O8 doped at the Ni2+ (S = 1) sites by either non-magnetic A = Mg2+ (S = 0) or magnetic A = Co2+ (S = 3/2) ions, with x = 0.12 and 0.08, respectively. The results reveal that the magnitude of the Néel temperature depends strongly on the spin value of the A cation.en
dc.language.isoengen
dc.sourceApplied Physics A: Materials Science and Processingen
dc.subjectQuantum theoryen
dc.subjectNeutron scatteringen
dc.subjectPositive ionsen
dc.subjectTemperatureen
dc.subjectDoping (additives)en
dc.subjectMagnetic susceptibilityen
dc.subjectOxide superconductorsen
dc.subjectMagnetic variables measurementen
dc.subjectImpuritiesen
dc.subjectLead compoundsen
dc.subjectNeutron diffractionen
dc.subjectAntiferromagnetic materialsen
dc.subjectElastic neutron scatteringen
dc.subjectHaldane gap compounden
dc.subjectNeel temperatureen
dc.subjectNeutron powder diffractionen
dc.subjectOne dimensionalen
dc.subjectSpin gapen
dc.titleSpin-gap and antiferromagnetic correlations in low-dimensional PbNi2-xAxV2O8 compounds (A = Mg, Co)en
dc.typeinfo:eu-repo/semantics/article
dc.identifier.doi10.1007/s003390201570
dc.description.volume74
dc.description.startingpageS640
dc.description.endingpageS642
dc.author.facultyΠολυτεχνική Σχολή / Faculty of Engineering
dc.author.departmentΤμήμα Μηχανικών Μηχανολογίας και Κατασκευαστικής / Department of Mechanical and Manufacturing Engineering
dc.type.uhtypeArticleen
dc.contributor.orcidGiapintzakis, John [0000-0002-7277-2662]
dc.description.totalnumpagesS640-S642
dc.gnosis.orcid0000-0002-7277-2662


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