Magnetic phase diagram of layered manganites in the highly doped regime

Magnetic phase diagram of layered manganites in the highly doped regime

The naturally layered colossal magnetoresistive manganites La2−2xSr1+2xMn2O7 exhibit an extremely varied range of magnetic and electronic behavior over a very narrow composition range between x=0.3 and x=0.5. The successful synthesis in our laboratories of compounds with nominally greater than 50%Mn...

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Veröffentlicht in:Journal of applied physics 2001-06, Vol.89 (11), p.6618-6620
Hauptverfasser: Mitchell, J. F., Ling, C. D., Millburn, J. E., Argyriou, D. N., Berger, A., Medarde, M.
Format: Artikel
Sprache:eng
Schlagworte:
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
NEUTRON DIFFRACTION
OCCUPATIONS
PHASE DIAGRAMS
PHYSICS
SYNTHESIS
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Zusammenfassung:The naturally layered colossal magnetoresistive manganites La2−2xSr1+2xMn2O7 exhibit an extremely varied range of magnetic and electronic behavior over a very narrow composition range between x=0.3 and x=0.5. The successful synthesis in our laboratories of compounds with nominally greater than 50%Mn4+ concentration has now allowed the study of this region of the phase diagram. Here we present detailed neutron diffraction measurements of these compounds with doping levels 0.5
ISSN:0021-8979
1089-7550
DOI:10.1063/1.1357135