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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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1

An Investigation Of The Ferromagnetic Insulating State Of Manganites

Jain, Himanshu 07 1900 (has links)
Electrical conductance in the ferromagnetic insulating (FMI) phase of manganites has been experimentally investigated. The investigations were performed on single crystals of compositions La0.82Ca0.18MnO3 and Nd0.7Pb0.3MnO3. The nature of electrical conductance is determined to be Shklovskii–Efros variable range hopping (SE–VRH). Further, at high bias levels, non–linear conductance (NLC) is observed. A “hot electron” model, that quantitatively explains the bias and temperature dependence of the NLC, consistent with the SE–VRH nature of electrical conductance, is presented. The limits of validity of the model are discussed.
Manganites - Ferromagnetic Insulation
Manganites
Hole Doped Manganites
Ferromagnetic and Insulating Manganites
Colossal Electroresistance
Colossal Magnetoresistance
Non-linear Conductance
Manganites - Electrical Conductance
Ferromagnetic Insulation
Ferromagnetic Insulating (FMI)
Magnetism

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