2002
DOI: 10.1023/a:1013615930587
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Cited by 29 publications
(20 citation statements)
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“…The p-type conductivity observed for x = 0.0 and 0.2 compositions has been explained on the basis of hole exchange mechanism, Cu 2+ ↔ Cu 1+ + e + . The p-type conductivity can be obtained if the concentration of Cu 1+ is higher than that of Cu 2+ in composition [2], as found in the present study (2).…”
Section: Resultssupporting
confidence: 80%
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“…The p-type conductivity observed for x = 0.0 and 0.2 compositions has been explained on the basis of hole exchange mechanism, Cu 2+ ↔ Cu 1+ + e + . The p-type conductivity can be obtained if the concentration of Cu 1+ is higher than that of Cu 2+ in composition [2], as found in the present study (2).…”
Section: Resultssupporting
confidence: 80%
“…Thus, when Al 3+ ions are substituted for Fe 3+ ions in the system, they replace Fe 3+ from the A and B sites as well as transfer Cu 2+ ions from the A site to the B site (1) [7]. Parfenov and Nazipov [2] have shown that the geometry of oxygen octahedral may be such that they can accommodate Cu 2+ and not the larger sized Cu 1+ ions. Larger tetrahedra may be occupied by Cu 1+ , which tends to be in tetrahedral coordination because of the low valence.…”
Section: Resultsmentioning
confidence: 99%
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“…6(a). The M s increases with increase of Mn content from 1.13x 10 5 to 2.51x10 5 A/m. The number of Bohr magneton, n (µ B ) shown in Fig.…”
Section: Magnetizationmentioning
confidence: 89%
“…[4]. Cupper ferrite among this extensive class of compounds has been investigated because of its interesting crystallographic and electrical properties [5]. Several investigators have focused their attention on Ni-Cu mixed spinel ferrite because Cu containing ferrites have interesting electrical and magnetic properties [6][7].…”
Section: Introductionmentioning
confidence: 99%