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Abstract
We study low-temperature properties of Pr1−xLaxPb3 with the ground state of a non-Kramers Γ3 for 0≦x≦0.8. From the concentration dependence of the specific heat, quadrupolar ordering is expected to occur only up to x∼0.02. For a wide range of La concentrations where the ordering is absent, the specific heat shows a T linear variation, which is in an excellent agreement with the result obtained by the model for amorphous materials with a random configuration of a two-level system. Impurity effects on quadrupolar moments will be discussed.
Journal
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- Physical review. Third series. B, Condensed matter and materials physics
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Physical review. Third series. B, Condensed matter and materials physics 65 (1), 012409-1-012409-4, 2001-11-30
Published by the American Physical Society through the American Institute of Physics
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Details 詳細情報について
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- CRID
- 1050282813886440448
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- NII Article ID
- 120002440824
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- NII Book ID
- AA11187113
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- ISSN
- 24699969
- 10980121
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- HANDLE
- 10228/646
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- Text Lang
- en
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- Article Type
- journal article
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- Data Source
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- IRDB
- CiNii Articles
