Conclusions
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1.
When the anion-radicals of salts of tetracyanoquinodimethane with alkali metals are heated in vacuum, their electrical properties change irreversibly: their electrical conductivity decreases, its activation energy increases, and the sign of the charge carriers changes.
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2.
The observed changes in the electrical properties are connected with the elimination during the heating process of oxygen dissolved in the sample which plays the part of acceptor impurity.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 659–661, March, 1968.
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Vlasova, R.M., Grishaeva, T.I., Rozenshtein, L.D. et al. The Influence of oxygen on the electrical properties of ion-radicals of salts of tetracyanoquinodimethane with alkali metals. Russ Chem Bull 17, 637–639 (1968). https://doi.org/10.1007/BF00911630
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DOI: https://doi.org/10.1007/BF00911630