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Co-Doping Effects in La-Sr Manganites by rnou58173 is a document available to read on EtoBox.
This study investigates the magnetic and transport properties of Co-doped manganite La0.7Sr0.3Mn1–xCoxO3, revealing that Co doping alters the ferromagnetic order to a spin glass or cluster glass state for x ≥ 0.1. The research highlights a significant change in resistivity behavior and magnetoresistance effects with increasing Co concentration, particularly noting an anomaly at T* ~ 100 K linked to Co ion spin-state transitions. Overall, the findings indicate that Co doping weakens the double-exchange inter
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- rnou58173
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- EN