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Crystallographic and magnetic studies of the mixed pyrophosphates AMnP2O7, A ≡ Co, Ni, Cu

Identifieur interne : 000249 ( Maroc/Analysis ); précédent : 000248; suivant : 000250

Crystallographic and magnetic studies of the mixed pyrophosphates AMnP2O7, A ≡ Co, Ni, Cu

Auteurs : K. Benkhouja [Maroc] ; A. Sadel [Maroc] ; M. Zahir [Maroc] ; P. Legoll [France] ; M. Drillon [France]

Source :

RBID : Pascal:93-0093077

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English descriptors

Abstract

The pyrophosphate AIIMnIIP2O7 with A≡Co, Ni, Cu was prepared. The three phases have the structure Mn2P2O7. Preliminary magnetic measurements were taken. The magnetic behaviour was found to be typical of ferrimagnetic chains coupled antiferromagnetically at a low temperature.


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Le document en format XML

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<title xml:lang="en" level="a">Crystallographic and magnetic studies of the mixed pyrophosphates AMnP
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O
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, A ≡ Co, Ni, Cu</title>
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<term>Cobalt Manganese Phosphates Mixed</term>
<term>Copper Manganese Phosphates Mixed</term>
<term>Crystalline structure</term>
<term>Ferrimagnetism</term>
<term>Infrared spectrum</term>
<term>Inorganic compound</term>
<term>Low temperature</term>
<term>Magnetic properties</term>
<term>Magnetic susceptibility</term>
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<term>Temperature</term>
<term>X ray diffraction</term>
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<term>Température</term>
<term>Basse température</term>
<term>Composé minéral</term>
<term>Cobalt Manganèse Phosphate Mixte</term>
<term>Manganèse Nickel Phosphate Mixte</term>
<term>Cuivre Manganèse Phosphate Mixte</term>
<term>Propriété magnétique</term>
<term>Structure cristalline</term>
<term>Ferrimagnétisme</term>
<term>Spectre IR</term>
<term>Diffraction RX</term>
<term>Susceptibilité magnétique</term>
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<div type="abstract" xml:lang="en">The pyrophosphate A
<sup>II</sup>
Mn
<sup>II</sup>
P
<sub>2</sub>
O
<sub>7</sub>
with A≡Co, Ni, Cu was prepared. The three phases have the structure Mn
<sub>2</sub>
P
<sub>2</sub>
O
<sub>7</sub>
. Preliminary magnetic measurements were taken. The magnetic behaviour was found to be typical of ferrimagnetic chains coupled antiferromagnetically at a low temperature.</div>
</front>
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