Localized to Itinerant Electronic Transition in Perovskite Oxides Daniel W Childes Idee der neolithischen Revolution

Childes Idee der neolithischen Revolution und einer kritischen Betrachtung seines Konzeptes

10Quantitative Analyse

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Localized to Itinerant Electronic Transition in Perovskite Oxides Daniel W Childes Idee der neolithischen RevolutionInterest in the transition metal oxides with perovskite related structures goes back to the 1950s when the sodium tungsten bronzes NaxWO3 were shown to be metallic [1 ], the system Lal_xSr~MnO3 was found to contain a ferromagnetic conductive phase [2], and La0. sSr0. sCoO3 was reported to be a ferromagnetic metal, but with a peculiar magnetization of 1. 5 #a Co atom [3]. Stoichiometric oxide perovskites have the generic formula AMO3 in which the A