Clarification of the mechanism of charge, spin, and orbital and their control in thermoelectric cobalt oxides

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Nuclear magnetic resonance (NMR) is a quite useful prove for directly obtaining information on charge, spin, and orbital, which are the internal degree of freedom of electron. This study is motivated by the desire to derive the information by performing ^<59>Co NMR measurements of thermoelectric cobalt oxides; the contribution of these effects on the thermoelectric properties is clarified. Furthermore, a guiding principle would be obtained by controlling these freedoms in the viewpoint of valence, spin, and dimensionality on the basis of the obtained knowledge.