Please use this identifier to cite or link to this item: https://libjncir.jncasr.ac.in/xmlui/handle/10572/1086
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dc.contributor.authorNanjundaswamy, K S-
dc.contributor.authorLewicki, A-
dc.contributor.authorKakol, Z-
dc.contributor.authorGopalan, P-
dc.contributor.authorMetcalf, P-
dc.contributor.authorHonig, J M-
dc.contributor.authorRao, C N R-
dc.contributor.authorSpalek, J-
dc.date.accessioned2012-11-27T08:45:02Z-
dc.date.available2012-11-27T08:45:02Z-
dc.date.issued1990-03-15-
dc.identifier0921-4534en_US
dc.identifier.citationPhysica C 166(3-4), 361-371 (1990)en_US
dc.identifier.urihttps://libjncir.jncasr.ac.in/xmlui/10572/1086-
dc.descriptionRestricted Accessen_US
dc.description.abstractWe present the results for the temperature and field dependence of the magnetic for ceramic materials of the composition La2−xMxNiO4, with M=Sr or Ca and 0≤x≤0.4. The onset of a strong diamagnetism has been observed at temperatures between 8 and 70 K, depending on sample composition, annealing conditions. and thermal cycling procedures. The results are similar to those obtained earlier for monocrystalline samples and are likewise interpreted as due to the onset of superconductivity in a minority phase. A comparison with the results for superconducting La1.8Sr0.2Cu0.9Ni0.1O4 ceramics is also made; this illustrates some unique features of the nickelate systems, such as the high values of the critical fields Hc1 and Hc2. The differences between monocrystalline and ceramic systems are also discussed.en_US
dc.description.urihttp://dx.doi.org/10.1016/0921-4534(90)90417-Den_US
dc.language.isoenen_US
dc.publisherElsevier Science BVen_US
dc.rights© 1990 Elsevier Science BVen_US
dc.subjectExperimental studyen_US
dc.subjectMagnetic momenten_US
dc.subjectTemperatureen_US
dc.subjectLow temperatureen_US
dc.subjectDiamagnetismen_US
dc.subjectMagnetic fielden_US
dc.subjectHeat treatmenten_US
dc.subjectHigh temperature superconductoren_US
dc.subjectParamagnetismen_US
dc.subjectImpurity densityen_US
dc.subjectSolid solutionen_US
dc.subjectChemical compositionen_US
dc.subjectInorganic compounden_US
dc.subjectTransition metal Compoundsen_US
dc.titleMagnetic Properties Of Pure, Sr- And Ca-Doped La2NiO4+δ Ceramics : Onset Of High-Tc Superconductivityen_US
dc.typeArticleen_US
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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