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The Kohler Rule of Hall Coefficient in Neutron‐Irradiated Aluminium at 4.6 °K
Author(s) -
Böning K.,
Fenzl H. J.,
Welter J. M.,
Wenzl H.
Publication year - 1970
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.19700400220
Subject(s) - hall effect , irradiation , annealing (glass) , aluminium , scattering , condensed matter physics , materials science , magnetic field , nuclear physics , physics , optics , metallurgy , quantum mechanics
An investigation is made of the range of validity of the Kohler rule for the Hall coefficient of aluminium at 4.6 °K, by introducing structural defects with different concentration and configuration by low temperature reactor irradiation and subsequent annealing. – During irradiation the low field Hall coefficient R 0 at first increases rapidly and even changes its sign. But as soon as the electron scattering is predominantly governed by the irradiation induced defects, the Hall coefficient R 0 (being now slightly positive) remains constant during further irradiation and the Kohler rule is fulfilled, because then only the concentration of identical defects is enlarged. After step‐annealing again large changes of R 0 occur, because the structural defects not only recombine but also rearrange to other configurations with different scattering behaviour.