Evolution of the magnetic properties in the antiferromagnet 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Ce</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>RhIn</mml:mi><mml:mn>8</mml:mn></mml:msub></mml:mrow></mml:math>
 simultaneously doped with Cd and Ir

Christovam, D. S.; Freitas, G. S.; Piva, M. M.; Souza, J. C.; Malcolms, M. O.; Canton, Otavio; Leão, Juscelino B.; Ratcliff, William; Lynn, J. W.; Adriano, C.; Pagliuso, P. G.

doi:10.1103/physrevb.102.195137

Phys. Rev. B

2020

DOI: 10.1103/physrevb.102.195137

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Evolution of the magnetic properties in the antiferromagnet Ce2RhIn8 simultaneously doped with Cd and Ir

D. S. Christovam

G. S. Freitas

M. M. Piva

et al.

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2024

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Cited by 2 publications

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X-ray spectroscopic investigation of crystal fields in Ce2Rh1−xIrxIn8 heavy fermions

Christovam,

Marino,

Falke

et al. 2024

Phys. Rev. B

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The higher dimensionality in the crystal fields of the Ce2MIn8 (M=Rh,Ir) compounds and its interplay with hybridization and disorder are key ingredients to understand the complex phase diagrams by this family, which have been explored extensively by macroscopic techniques. Here, we present an investigation of the crystal-electric field schemes of Ce2Rh1−xIrxIn8 using x-ray absorption spectroscopy. Our full multiplet calculations for the 4f1 configuration of Ce3+ to describe the temperature-dependent linear dichroism in Ce2MIn8 are consistent with a Γ71=1−α2·|∓32〉−|α|·|±52〉 ground state containing a predominant |±3/2〉 contribution that increases further with x. This enhancement is believed to favor superconductivity in Ce-based heavy fermion materials, observed in previous results in the CeMIn5 family. Our recent observations shed light on the unexpected emergence of the ambient-pressure superconducting dome in the center of the composition phase diagram and its subsequent suppression on the Ir-rich side due to the early onset of fluctuations associated with the structurally more disordered state, inferred from previous neutron magnetic diffraction experiments. Published by the American Physical Society 2024

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X-ray spectroscopic investigation of crystal fields in Ce2Rh1−xIrxIn8 heavy fermions

Christovam,

Marino,

Falke

et al. 2024

Phys. Rev. B

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Tuning the antiferromagnetic ground state of Ce2RhIn8 by Ga substitution

Caffer,

Ajeesh,

Carvalho

et al. 2024

Phys. Rev. B

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Evolution of the magnetic properties in the antiferromagnet Ce2RhIn8 simultaneously doped with Cd and Ir

Cited by 2 publications

References 53 publications

X-ray spectroscopic investigation of crystal fields in Ce2Rh1−xIrxIn8 heavy fermions

X-ray spectroscopic investigation of crystal fields in Ce2Rh1−xIrxIn8 heavy fermions

Tuning the antiferromagnetic ground state of Ce2RhIn8 by Ga substitution

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