Investigation of the electrical and magnetic properties of electron-doped Ruddlesden-Popper phases, CaO(Pr0.08Ca0.92MnO3)n (n = 1, 2, 3 and ∞)

L. Sudheendra; A. R. Raju; S. E. Lofland; K. V. Ramanujachary

doi:10.1016/S0038-1098(03)00208-4

Investigation of the electrical and magnetic properties of electron-doped Ruddlesden-Popper phases, CaO(Pr_0.08Ca_0.92MnO₃)_n (n = 1, 2, 3 and ∞)

L. Sudheendra
, A. R. Raju
, S. E. Lofland
, K. V. Ramanujachary

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

The electrical and magnetic properties of Pr^3±-doped Ruddlesden-Popper manganates with the formula, CaO(Pr_0.08Ca_0.92MnO₃)_n (n = 1,2,3 and ∞) have been investigated. The electrical conductivity of the samples increases with the number of perovksite slabs sandwiched between the rock-salt-like CaO layers. Magnetic susceptibility measurements show an anomalous behavior for the n = 1 composition which is attributed to the near absence of ferromagnetic correlations in a two-dimensional system. The magnetic behavior of other members can, however, be understood on the basis of a 'ferromagnetic-droplet' model. Since the number of electrons per perovskite slab is invariant across the series, the electronic properties are readily correlated to the phase space available for exchange interactions.

Original language	English (US)
Pages (from-to)	447-451
Number of pages	5
Journal	Solid State Communications
Volume	126
Issue number	8
DOIs	https://doi.org/10.1016/S0038-1098(03)00208-4
State	Published - May 2003

All Science Journal Classification (ASJC) codes

General Chemistry
Condensed Matter Physics
Materials Chemistry

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10.1016/S0038-1098(03)00208-4

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title = "Investigation of the electrical and magnetic properties of electron-doped Ruddlesden-Popper phases, CaO(Pr0.08Ca0.92MnO3)n (n = 1, 2, 3 and ∞)",

abstract = "The electrical and magnetic properties of Pr3±-doped Ruddlesden-Popper manganates with the formula, CaO(Pr0.08Ca0.92MnO3)n (n = 1,2,3 and ∞) have been investigated. The electrical conductivity of the samples increases with the number of perovksite slabs sandwiched between the rock-salt-like CaO layers. Magnetic susceptibility measurements show an anomalous behavior for the n = 1 composition which is attributed to the near absence of ferromagnetic correlations in a two-dimensional system. The magnetic behavior of other members can, however, be understood on the basis of a 'ferromagnetic-droplet' model. Since the number of electrons per perovskite slab is invariant across the series, the electronic properties are readily correlated to the phase space available for exchange interactions.",

author = "L. Sudheendra and Raju, \{A. R.\} and Lofland, \{S. E.\} and Ramanujachary, \{K. V.\}",

note = "Funding Information: This work was supported in part by the New Jersey Commission on Higher Education and the NSF by Grant No. DMR 00-008008. KVR would like to thank Prof. C.N.R. Rao for useful discussions and suggestions during his visit at JNCASR.",

year = "2003",

month = may,

doi = "10.1016/S0038-1098(03)00208-4",

language = "English (US)",

volume = "126",

pages = "447--451",

journal = "Solid State Communications",

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number = "8",

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T1 - Investigation of the electrical and magnetic properties of electron-doped Ruddlesden-Popper phases, CaO(Pr0.08Ca0.92MnO3)n (n = 1, 2, 3 and ∞)

AU - Sudheendra, L.

AU - Raju, A. R.

AU - Lofland, S. E.

AU - Ramanujachary, K. V.

N1 - Funding Information: This work was supported in part by the New Jersey Commission on Higher Education and the NSF by Grant No. DMR 00-008008. KVR would like to thank Prof. C.N.R. Rao for useful discussions and suggestions during his visit at JNCASR.

PY - 2003/5

Y1 - 2003/5

N2 - The electrical and magnetic properties of Pr3±-doped Ruddlesden-Popper manganates with the formula, CaO(Pr0.08Ca0.92MnO3)n (n = 1,2,3 and ∞) have been investigated. The electrical conductivity of the samples increases with the number of perovksite slabs sandwiched between the rock-salt-like CaO layers. Magnetic susceptibility measurements show an anomalous behavior for the n = 1 composition which is attributed to the near absence of ferromagnetic correlations in a two-dimensional system. The magnetic behavior of other members can, however, be understood on the basis of a 'ferromagnetic-droplet' model. Since the number of electrons per perovskite slab is invariant across the series, the electronic properties are readily correlated to the phase space available for exchange interactions.

AB - The electrical and magnetic properties of Pr3±-doped Ruddlesden-Popper manganates with the formula, CaO(Pr0.08Ca0.92MnO3)n (n = 1,2,3 and ∞) have been investigated. The electrical conductivity of the samples increases with the number of perovksite slabs sandwiched between the rock-salt-like CaO layers. Magnetic susceptibility measurements show an anomalous behavior for the n = 1 composition which is attributed to the near absence of ferromagnetic correlations in a two-dimensional system. The magnetic behavior of other members can, however, be understood on the basis of a 'ferromagnetic-droplet' model. Since the number of electrons per perovskite slab is invariant across the series, the electronic properties are readily correlated to the phase space available for exchange interactions.

UR - https://www.scopus.com/pages/publications/0037405666

UR - https://www.scopus.com/pages/publications/0037405666#tab=citedBy

U2 - 10.1016/S0038-1098(03)00208-4

DO - 10.1016/S0038-1098(03)00208-4

M3 - Article

AN - SCOPUS:0037405666

SN - 0038-1098

VL - 126

SP - 447

EP - 451

JO - Solid State Communications

JF - Solid State Communications

IS - 8

ER -

Investigation of the electrical and magnetic properties of electron-doped Ruddlesden-Popper phases, CaO(Pr_0.08Ca_0.92MnO₃)_n (n = 1, 2, 3 and ∞)

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