| Автор | F C Schwerer |
| Автор | J W Conroy |
| Дата выпуска | 1971-11-01 |
| dc.description | New experimental data for deviations from Matthiessen's rule for the electrical resistivity, Δ(T, c), for NiFe and NiCr alloys for temperatures 4 K <or= T <or= 300 K and solute concentrations 0.1 <or= c <or= 4 at% are discussed in terms of a popular two-current model, which includes momentum-conserving spin-flip scattering processes, ρ<sub>12</sub>(T). It is first established that for this model, deviations obey a Kohler-Sondheimer-Wilson (KSW) relation, (ρ<sub>0</sub>(c)/Δ(T, c)) = a + b(ρ<sub>0</sub>(c)/ρ<sub>ideal</sub>(T)) where ρ<sub>0</sub>(c) is the solute resistivity at 0 K and ρ<sub>ideal</sub>(T) is the resistivity of the pure solvent. The KSW coefficients (a, b) depend only on the two-current scattering anisotropies and on a reduced spin-mixing resistivity r(T) (=ρ<sub>12</sub>(T)/ρ<sub>ideal</sub>(T)). Experimental data for Δ(T, c) conform quite well to a KSW description; however, the experimental coefficients (a, b)<sub>Cr</sub> and (a, b)<sub>Fe</sub> are not compatible with the familiar spin-flip scattering model. The major discrepancies occur in the temperature range (T <or= 50 K) in which the model would most likely be valid. The discrepancies between data and model predictions are discussed in terms of residual impurities, of zero temperature spin-mixing processes, and for an alternate spin-mixing mechanism. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Название | Two-current conduction in nickel-base alloys |
| Тип | paper |
| DOI | 10.1088/0305-4608/1/6/321 |
| Print ISSN | 0305-4608 |
| Журнал | Journal of Physics F: Metal Physics |
| Том | 1 |
| Первая страница | 877 |
| Последняя страница | 892 |
| Аффилиация | F C Schwerer; Edgar C. Bain Laboratory For Fundamental Research, United States Steel Corporation Research Center, Monroeville, Pennsylvania, USA |
| Аффилиация | J W Conroy; Edgar C. Bain Laboratory For Fundamental Research, United States Steel Corporation Research Center, Monroeville, Pennsylvania, USA |
| Выпуск | 6 |
