2000
DOI: 10.1103/physrevb.62.9532
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Coexistence of antiferromagnetism and ferromagnetism inCa1xPrxMnO

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Cited by 66 publications
(36 citation statements)
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“…Interestingly, in contrast to earlier predictions 12 , most experimental evidence indicate that a homogeneous long-range canting of the AFM background is unstable against segregation into a mixture of AFM and FM phases, even for the lowest electron-doping levels [13][14][15] 16 , the C structure corresponding to an orbital ordering in the xy planes. Further doping favours the C structure, which becomes prevailing for y ≥ 1-x c .…”
Section: Introductioncontrasting
confidence: 73%
“…Interestingly, in contrast to earlier predictions 12 , most experimental evidence indicate that a homogeneous long-range canting of the AFM background is unstable against segregation into a mixture of AFM and FM phases, even for the lowest electron-doping levels [13][14][15] 16 , the C structure corresponding to an orbital ordering in the xy planes. Further doping favours the C structure, which becomes prevailing for y ≥ 1-x c .…”
Section: Introductioncontrasting
confidence: 73%
“…While it has been suggested that this crossover may reflect novel polaron physics 23 , not much direct information on the microscopic structure of the weak ferromagnetism observed for electron-doped manganites is presently available. A notable exception is an NMR study performed on Ca 1−x Pr x MnO 3 (x ≤ 0.1) 25 , which found a coexistence of ferromagnetism and antiferromagnetism in the samples studied, thus supporting a phase segregation scenario.…”
Section: Introductionmentioning
confidence: 92%
“…Particular attention was paid to the unexpected behaviour observed for the low electron-doped regime, where a ferromagnetic (FM) component develops together with G-type antiferromagnetism (AFM), for which each Mn is AFM coupled with the six Mn nearestneighbours. This ability of G-type AFM to allow a FM component is discussed in terms of canting or phase separation [5], the latter being more often admitted [6][7][8][9][10][11][12][13]. This particular state, resulting from competing interactions, leads to unusual signatures in the magnetic characterizations [14] that are also observed in manganites with similar Mn valence, but which are obtained by substitution on the Mn site instead of the Ln one.…”
Section: Introductionmentioning
confidence: 99%