Demagnetization of Ce impurities in superconducting (La,Th)Ce alloys: Specific heat results |
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| Authors: | C. A. Luengo J. G. Huber M. B. Maple M. Roth |
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| Affiliation: | (1) Institute for Pure and Applied Physical Sciences, University of California, San Diego, La Jolla, California;(2) Facultad de Ciencias, Universidad de Chile, Santiago, Chile;(3) Present address: Department of Physics, Tufts University, Medford, Massachusetts;(4) Present address: Departmento de Física, Centro de Investigación y Estudios Avanzados, Instituto Politécnico Nacional, Mexico, Distrito Federal |
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| Abstract: | Detailed measurements of the specific heat jump  C at the superconducting transition temperatureTc as a function ofTc are reported for several (La, Th)Ce systems. The measurements document the continuous demagnetization of the Ce impurity ions which proceeds with increasing Th concentration, and provide a critical test of a theory recently developed by Müller-Hartmann and Zittartz for the superconducting behavior of matrix-impurity systems which simultaneously exhibit both superconductivity and the Kondo effect.Research supported by the U.S. Air Force Office of Scientific Research, Grant No. AF-AFOSR-71-2073.Research supported by the University of Chile-University of California Cooperative Program sponsored by the Ford Foundation. |
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