Accession Number : AD0719862

Title :   The Magnetic Impurity Problem in Metals.

Descriptive Note : Final scientific rept.,

Corporate Author : NORTHWESTERN UNIV EVANSTON ILL DEPT OF PHYSICS

Personal Author(s) : Welsh,Lawrence B.

Report Date : FEB 1971

Pagination or Media Count : 7

Abstract : A detailed study of the Kondo state as a function of magnetic field and temperature in CuFe and related alloy systems is reported. The temperature and magnetic field dependence of the copper isotope 63 linewidth and longitudinal relaxation time as a function of the FE concentration are measured. A study of exchange enhancement and spin fluctuations in dilute alloys using nuclear magnetic resonance techniques is reported. The alloy system of LaSn3(1-x)In(3x) shows possible strong exchange enhancement effects. The effects of exchange enhancement on the spin fluctuations are studied by measuring the nuclear longitudinal relaxation times of lanthanum. (Author)

Descriptors :   (*SOLID STATE PHYSICS, MAGNETIC MOMENTS), COPPER ALLOYS, INDIUM ALLOYS, IRON ALLOYS, TIN ALLOYS, IMPURITIES, NUCLEAR MAGNETIC RESONANCE, BAND THEORY OF SOLIDS, CRYOGENICS

Subject Categories : Solid State Physics

Distribution Statement : APPROVED FOR PUBLIC RELEASE