The chain-forming tendency of chalcogens like tellurium can be used as an efficient internal redox system capable of switching electronic conduction from n-type to p-type through small temperature changes.
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Highly Dynamic Chalcogen Chains in Silver(I) (Poly)Chalcogenide Halides: a New Concept for Thermoelectrics?
Journal of Electronic Materials Open Access 20 November 2009
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Janek, J. The bridge to redox switches. Nature Mater 8, 88–89 (2009). https://doi.org/10.1038/nmat2364
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DOI: https://doi.org/10.1038/nmat2364
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Highly Dynamic Chalcogen Chains in Silver(I) (Poly)Chalcogenide Halides: a New Concept for Thermoelectrics?
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