Low temperature resistivity of rare-earth hexaborides

Low temperature resistivity measurements of rare-earth hexaborides have been done down to 2 K. We observe a T 4 or T 3 temperature dependence of resistivity below the Néel temperature, which is associated with electron-spin wave scattering. At the lowest temperatures the resistivity varies as T 2. T...

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Bibliographic Details
Published in:Physics letters. A 1984-01, Vol.104 (4), p.212-214
Main Authors: Ali, Naushad, Woods, S.B.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Conductivity phenomena in semiconductors and insulators
Electronic transport in condensed matter
Exact sciences and technology
Low-field transport and mobility
piezoresistance
Physics
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Summary:Low temperature resistivity measurements of rare-earth hexaborides have been done down to 2 K. We observe a T 4 or T 3 temperature dependence of resistivity below the Néel temperature, which is associated with electron-spin wave scattering. At the lowest temperatures the resistivity varies as T 2. This T 2 dependence is thought to be due to Baber type electron-electron scattering.
ISSN:0375-9601
1873-2429
DOI:10.1016/0375-9601(84)90266-4