Peculiar anomalies in electrical resistivity of some rare earth metals at low temperatures
Identifieur interne : 005776 ( Main/Exploration ); précédent : 005775; suivant : 005777Peculiar anomalies in electrical resistivity of some rare earth metals at low temperatures
Auteurs : R. V. Colvin [États-Unis] ; Sigurds Arajs [États-Unis]Source :
- Journal of The Less-Common Metals [ 0022-5088 ] ; 1963.
Descripteurs français
English descriptors
- KwdEn :
- Alloy, Annealing, Anomalous behavior, Anomaly, Arajs, Colvin, Critical fields, Crucible, Dislocation, Electrical resistivity, Erbium, Experimental facts, Filament, Filamentary, Filamentary structure, Grain boundaries, Holmium, Holmium samples, Hysteresis, Hysteresis effects, Iowa state university, Lanthanum, Magnetic fields, Magnetoresistivity, Normal state, Peculiar anomalies, Phys, Present time, Pure tantalum, Rare earth metals, Resistivity, Resistivity anomalies, Resistivity curve, Resistivity data, Resistivity measurements, Small amounts, Solid solution, Substructure, Superconducting, Superconducting filaments, Superconducting substructure, Superconductive substructure, Superconductivity, Superconductor, Tantalum, Tantalum contamination, Tantalum crucible, Thulium, Thulium samples, Transition temperature.
- Teeft :
- Alloy, Annealing, Anomalous behavior, Anomaly, Arajs, Colvin, Critical fields, Crucible, Dislocation, Electrical resistivity, Erbium, Experimental facts, Filament, Filamentary, Filamentary structure, Grain boundaries, Holmium, Holmium samples, Hysteresis, Hysteresis effects, Iowa state university, Lanthanum, Magnetic fields, Magnetoresistivity, Normal state, Peculiar anomalies, Phys, Present time, Pure tantalum, Rare earth metals, Resistivity, Resistivity anomalies, Resistivity curve, Resistivity data, Resistivity measurements, Small amounts, Solid solution, Substructure, Superconducting, Superconducting filaments, Superconducting substructure, Superconductive substructure, Superconductivity, Superconductor, Tantalum, Tantalum contamination, Tantalum crucible, Thulium, Thulium samples, Transition temperature.
Abstract
Abstract: Step-type anomalies in the electrical resistivity between 4 and 5°K found in holmium, erbium, thulium, and lutetium, contaminated with tantalum, are described. The results are discussed in terms of the concept of super-conducting filaments formed by tantalum. Some other features of the electrical resistivity (hysteresis effects above critical temperature of tantalum, resistivity minimum) also observed in certain cases are described and are difficult to understand from the viewpoint of a superconductivity sub-structure. It is possible that in special cases some co-operative magnetic ordering occurs that is responsible for the observed effects. Some experiments which should clarify the proposed models are suggested.
Url:
DOI: 10.1016/0022-5088(63)90070-5
Affiliations:
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Le document en format XML
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<term>Colvin</term>
<term>Critical fields</term>
<term>Crucible</term>
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<term>Lanthanum</term>
<term>Magnetic fields</term>
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<term>Phys</term>
<term>Present time</term>
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<term>Resistivity anomalies</term>
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<term>Hysteresis effects</term>
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<term>Peculiar anomalies</term>
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<term>Present time</term>
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<term>Resistivity anomalies</term>
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<term>Resistivity data</term>
<term>Resistivity measurements</term>
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<term>Solid solution</term>
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<term>Superconducting</term>
<term>Superconducting filaments</term>
<term>Superconducting substructure</term>
<term>Superconductive substructure</term>
<term>Superconductivity</term>
<term>Superconductor</term>
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<term>Tantalum contamination</term>
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<front><div type="abstract" xml:lang="en">Abstract: Step-type anomalies in the electrical resistivity between 4 and 5°K found in holmium, erbium, thulium, and lutetium, contaminated with tantalum, are described. The results are discussed in terms of the concept of super-conducting filaments formed by tantalum. Some other features of the electrical resistivity (hysteresis effects above critical temperature of tantalum, resistivity minimum) also observed in certain cases are described and are difficult to understand from the viewpoint of a superconductivity sub-structure. It is possible that in special cases some co-operative magnetic ordering occurs that is responsible for the observed effects. Some experiments which should clarify the proposed models are suggested.</div>
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