Condensed Matter Physics, 2017, vol. 20, No. 4, 43702

Title: Magnetoresistance based determination of basic parameters of minority charge carriers in solid matter
Author(s):
  Y.O. Uhryn (Drohobych Ivan Franko State Pedagogical University, 24 I. Franko St., 82100 Drohobych, Ukraine) ,
  R.M. Peleshchak (Drohobych Ivan Franko State Pedagogical University, 24 I. Franko St., 82100 Drohobych, Ukraine) ,
  V.B. Brytan (Drohobych Ivan Franko State Pedagogical University, 24 I. Franko St., 82100 Drohobych, Ukraine) ,
  A.A. Velchenko (Belarusian State Agrarian Technical University, 99 Nezavisimosti Avenue, 220023 Minsk, Belarus)

Magnetoresistance as a tool of basic parameters determination of minority charge carriers and the ratio of minority charge carriers conductivity to majority ones in solid matter has been considered within the framework of the phenomenological two-band model. The criterion of the applying of this model has been found. As the examples of these equation usage the conductor, semiconductor and superconductor have been introduced. From the obtained temperature dependences of the aforementioned values in superconductor the supposition the deciding role of minority charge carriers in the emergence of superconductivity state has been made.

Key words: conductor, semiconductor, magnetoresistance, Hall-effect
PACS: 72.15, 72.20.


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