Two current conduction in ferromagnetic transition metal alloys: Sn in Fe, Co and Ni

The electrical resistivity of dilute alloys of Sn dissolved in Fe, Co and Ni have been measured over the temperature range 4.2-300 K. Large deviations from Matthiessen's rule are observed and these are explained in terms of a model in which electrons of opposite spin conduct in parallel. Similarities in the behaviour of the impurity resistivity for each alloy indicate that the screening mechanism is similar in each system. Evidence is presented which strongly supports the assertion that the screening of the Sn impurity is accomplished predominantly by s and p like electrons. Systematic trends in the impurity residual resistivity (at 4.2 K) in the three alloys examined and in CuSn, indicate the presence of a quasilocalized state near the Fermi level for Sn in Fe and Co, but removed from it in Ni and Cu.

[1]  D. A. Shirley,et al.  THE EVOLUTION OF CORE STATES FROM ENERGY BANDS IN THE 4d5s5p REGION FROM Pd TO Xe , 1972 .

[2]  T. P. Das,et al.  Electron States in Ferromagnetic Iron. I. Band Properties , 1971 .

[3]  R. E. Watson,et al.  The effect of S-D hybridization on charge and spin contact densities in noble and transition metals , 1971 .

[4]  A. Fert,et al.  The spontaneous resistivity anisotropy in Ni-based alloys , 1970 .

[5]  A. Fert.  Two-current conduction in ferromagnetic metals and spin wave-electron collisions , 1969 .

[6]  F. Gautier,et al.  Experimental proof for a two-band conduction in nickel alloys , 1969 .

[7]  G. Low.  The electronic structure of some transition metal alloys , 1969 .

[8]  F. Schwerer,et al.  Matthiessen's rule and the electrical resistivity of iron-silicon solid solutions , 1969 .

[9]  T. Cranshaw.  Anomalous Temperature Dependence of the Hyperfine Field at 119Sn in Co , 1969 .

[10]  G. R. Dunmyre,et al.  Mössbauer and Resistivity Study of Dilute Sn‐Transition Metal Alloys , 1969 .

[11]  F. Schwerer,et al.  Residual Resistivities of Binary Iron Alloys , 1969 .

[12]  Albert Fert,et al.  Two-Current Conduction in Nickel , 1968 .

[13]  D. Greig,et al.  The electrical resistivity of nickel and its alloys , 1968 .

[14]  J. L. Beeby,et al.  The density of electrons in a perfect or imperfect lattice , 1967, Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences.

[15]  T. Cranshaw,et al.  Anomalous temperature dependence of the hyperfine fields at Sn in cobalt , 1967 .

[16]  J. Dugdale,et al.  Mathiessen's Rule and Anisotropic Relaxation Times , 1967 .

[17]  A. Fert,et al.  Evidence for two current conduction iron , 1967, 0711.4478.

[18]  J. Beeby.  Ferromagnetism in the Transition Metals , 1966 .

[19]  G. R. Dunmyre,et al.  Magnetic Susceptibility, Electric Resistivity, and Lattice Parameters of Iron‐Rich Iron—Tin Alloys , 1965 .

[20]  Nevill Mott,et al.  Electrons in transition metals , 1964 .

[21]  J. Friedel,et al.  Sur la polarisation de spin des electrons de conductibilite dans les metaux ferromagnetiques , 1963 .

[22]  A. Howie,et al.  THE ELECTRICAL RESISTIVITY OF DISLOCATIONS , 1963 .

[23]  Philip W. Anderson,et al.  Localized Magnetic States in Metals , 1961 .

[24]  G. White,et al.  Electrical and thermal resistivity of the transition elements at low temperatures , 1959, Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences.

[25]  Nevill Francis Mott,et al.  The Electrical Conductivity of Transition Metals , 1936 .

[26]  J. Linde.  Elektrische Eigenschaften verdünnter Mischkristallegierungen III. Widerstand von Kupfer- und Goldlegierungen. Gesetzmäßigkeiten der Widerstandserhöhungen , 1932 .