Evolution of calorimetric, magnetic and transport properties of UxTh1−xBe13 (0.64 ≤ x ≤ 1) solid solutions

Ultrasonic measurement on the filled skutterudite compound PrFe 4 P 12 exhibits a mysterious temperature dependence of the elastic constant (C 11 -C 12 )/2. Pronounced elastic softening at low temperatures is revived by applying a magnetic field. This fact strongly suggests the 4f-multiplet ground state of the Pr ion split by the crystalline electric field (CEF) to be a 3 non-Kramers doublet. The expectation value of a quadrupole moment with 3 symmetry in the CEF ground state, which leads to elastic softening at low temperature, was evaluated by theoretical fitting to the present results. This may imply that suppression of the electric quadrupole Kondo effect occurs in PrFe 4 P 12 and the quadrupole moment becomes steady due to the application of a magnetic field.

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Evolution of calorimetric, magnetic and transport properties of UxTh1−xBe13 (0.64 ≤ x ≤ 1) solid solutions

Cited by 3 publications

References 18 publications

Nonlinear susceptibility in U0.9Th0.1Be13: Direct test of a quadrupolar Kondo ground state

Nonlinear susceptibility in U0.9Th0.1Be13: Direct test of a quadrupolar Kondo ground state

Conference summary: Experimental

Unconventional emergence of elastic softening induced by magnetic fields in the unusual heavy-fermion compound PrFe₄P₁₂

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Evolution of calorimetric, magnetic and transport properties of UxTh1−xBe13 (0.64 ≤ x ≤ 1) solid solutions

Cited by 3 publications

References 18 publications

Nonlinear susceptibility in U0.9Th0.1Be13: Direct test of a quadrupolar Kondo ground state

Nonlinear susceptibility in U0.9Th0.1Be13: Direct test of a quadrupolar Kondo ground state

Conference summary: Experimental

Unconventional emergence of elastic softening induced by magnetic fields in the unusual heavy-fermion compound PrFe4P12

Contact Info

Product

Resources

About

Unconventional emergence of elastic softening induced by magnetic fields in the unusual heavy-fermion compound PrFe₄P₁₂