Anomalies in the temperature dependence of coefficients in layered structures with introduced impurities
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PALISTRANT, Maria, URSU, Vitalie, CALALB, Mihai. Anomalies in the temperature dependence of coefficients in layered structures with introduced impurities. In: Moldavian Journal of the Physical Sciences, 2014, nr. 3-4(13), pp. 205-213. ISSN 1810-648X.
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Moldavian Journal of the Physical Sciences
Numărul 3-4(13) / 2014 / ISSN 1810-648X /ISSNe 2537-6365

Anomalies in the temperature dependence of coefficients in layered structures with introduced impurities
CZU: 537.226.33+538.9+621.382

Pag. 205-213

Palistrant Maria1, Ursu Vitalie1, Calalb Mihai2
 
1 Institute of Applied Physics, Academy of Sciences of Moldova,
2 Tiraspol State University
 
 
Disponibil în IBN: 12 octombrie 2015


Rezumat

The temperature dependence of specific resistance  and thermoelectric coefficient α is studied in terms of the Mott and Davis theory for electronic processes in quasi-two-dimensional disordered systems. The existence of a peak in the electron state density defined by the two-dimensionality of the system and narrow energy bands makes it possible to describe the anomalies in the temperature dependence of α and  values in high-temperature superconducting cuprates obtained on the basis of FeAs.