Impurities and the anomalous spin-lattice relaxation in copper at submillkelvin temperatures

M. T. Huiku, M. T. Loponen, T. A. Jyrkkio, J. M. Kyynarainen, A. S. Oja, J. K. Soini

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

11 Citations (Scopus)

Abstract

The spin-lattice relaxation time tau //1 of copper has been studied as a function of the external magnetic field at constant electronic temperatures between 50 and 300 mu K. The ratio r equals tau //1(15 mT)/ tau //1(0) for a high purity copper sample was found to be as high as 100. By selective oxidation r could be reduced to 2. 6 in the same specimen. Present theories seem unable to explain the anomalously rapid relaxation in zero field.

Original languageEnglish
Title of host publicationProceedings of the 17th International Conference on Low Temperature Physics
PublisherNorth-Holland Publ Co
Pages133-134
Number of pages2
Editionpt 1
ISBN (Print)0444869107
Publication statusPublished - 1984
MoE publication typeA4 Article in a conference publication

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