Experimental evidence for piezoelectrical free‐carrier scattering by screw dislocations in tellurium | Zendy

Estienne J. P. | Zendy; Farvacque J. L. | Zendy

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Experimental evidence for piezoelectrical free‐carrier scattering by screw dislocations in tellurium

Author(s) -

Estienne J. P.,

Farvacque J. L.

Publication year - 1979

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2220950231

Subject(s) - tellurium , free carrier , scattering , materials science , condensed matter physics , conductivity , electron mobility , hall effect , charge carrier density , piezoelectricity , electrical resistivity and conductivity , optics , chemistry , composite material , physics , metallurgy , doping , quantum mechanics

Hall effect and conductivity measurements are performed, in the case of tellurium, on samples containing a high density of a screw dislocations and on reference samples. Comparison of these measurements shows that a screw dislocations are responsible for a strong free carrier mobility decrease. A discussion of the results, based on theoretical calculations of the free carrier mobility permits to conclude to a piezoelectric scattering mechanism.

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