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The X-band EPR and magnetic susceptibility in the temperature range 4.2–300 K study of the shungite-I, natural nanostructured material from the deposit of Shunga are reported. Obtained results allow us to assign the EPR signal to conduction electrons, estimate their number, NP, and evaluate the Pauli paramagnetism contribution to shungite susceptibility. A small occupation (~5%) of the localized...
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