Thermodynamics and magnetism in U sub 1 minus x Th sub x Be sub 13 minus y B sub y
We report specific heat and {mu}SR measurements on Th ({ital x} =0.019) and/or B ({ital y}=0.03) substituted UBe{sub 13}. The specific heat data show that either Th or B substitution reduces the Kondo temperature {ital T}{sub {ital K}} and increases the entropy at the superconducting transition by a...
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| Veröffentlicht in: | Journal of applied physics 1991-04, Vol.69:8 |
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| container_title | Journal of applied physics |
| container_volume | 69:8 |
| creator | Heffner, R.H. Beyermann, W.P. Hundley, M.F. Thompson, J.D. Smith, J.L. Fisk, Z. Bedell, K. Birrer, P. Baines, C. Gygax, F.N. Hitti, B. Lippelt, E. Ott, H.R. Schenck, A. MacLaughlin, D.E. |
| description | We report specific heat and {mu}SR measurements on Th ({ital x} =0.019) and/or B ({ital y}=0.03) substituted UBe{sub 13}. The specific heat data show that either Th or B substitution reduces the Kondo temperature {ital T}{sub {ital K}} and increases the entropy at the superconducting transition by almost 20%, indicating an enhanced density of states. However, whereas {mu}SR shows clear evidence for magnetic correlations for Th substitutions (0.019{lt}{ital x}{lt}0.043), no magnetism is observed for B substitutions. The enhanced specific heat jump in the B-substituted material is associated with a change in the superconducting properties as {ital T}{sub {ital K}} is reduced. |
| doi_str_mv | 10.1063/1.347972 |
| format | Article |
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The specific heat data show that either Th or B substitution reduces the Kondo temperature {ital T}{sub {ital K}} and increases the entropy at the superconducting transition by almost 20%, indicating an enhanced density of states. However, whereas {mu}SR shows clear evidence for magnetic correlations for Th substitutions (0.019{lt}{ital x}{lt}0.043), no magnetism is observed for B substitutions. The enhanced specific heat jump in the B-substituted material is associated with a change in the superconducting properties as {ital T}{sub {ital K}} is reduced.</abstract><cop>United States</cop><doi>10.1063/1.347972</doi></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0021-8979 |
| ispartof | Journal of applied physics, 1991-04, Vol.69:8 |
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| language | eng |
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| subjects | 360104 - Metals & Alloys- Physical Properties ACTINIDE ALLOYS ACTINIDES ALLOYS BERYLLIUM ALLOYS BORON CRYSTALS ELECTRIC CONDUCTIVITY ELECTRICAL PROPERTIES ELEMENTS ENTROPY IMPURITIES KONDO EFFECT MATERIALS SCIENCE METALS MUON SPIN RELAXATION PHYSICAL PROPERTIES POLYCRYSTALS RELAXATION SEMIMETALS SPECIFIC HEAT SUPERCONDUCTIVITY THERMODYNAMIC PROPERTIES THORIUM TRANSITION TEMPERATURE ULTRALOW TEMPERATURE URANIUM ALLOYS VERY LOW TEMPERATURE |
| title | Thermodynamics and magnetism in U sub 1 minus x Th sub x Be sub 13 minus y B sub y |
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