115In-NQR study of CeRh1 - x Irx In5 under pressure

Y. Mugino; S. Kawasaki; M. Yashima; H. Mukuda; Y. Kitaoka; H. Shishido; Y. Onuki

doi:10.1016/j.jmmm.2006.10.224

¹¹⁵In-NQR study of CeRh_{1 - x} Ir_x In₅ under pressure

Y. Mugino, S. Kawasaki, M. Yashima, H. Mukuda, Y. Kitaoka, H. Shishido, Y. Onuki

Research output: Contribution to journal › Article

1 Citation (Scopus)

Abstract

We report on pressure-induced evolutions of antiferromagnetic spin fluctuations (AFM-SFs) and unconventional superconductivity on the x = 0.6 sample in a series of compounds CeRh_{1 - x} Ir_x In₅ via the ¹¹⁵In nuclear-quadrupole-resonance (NQR) experiment. The In-NQR 1 / T₁ measurements have revealed that the slight application of pressure makes T_c = 0.9 K at P = 0 increase up to T_c = 1.06 K at P = 0.47 GPa. Concomitantly, the character of AFM-SF evolves from an isotropic regime to an anisotropic one as P increases. These results suggest that AFM-SFs play vital role in mediating the strong-coupling superconductivity in CeRh_{1 - x} Ir_x In₅.

Original language	English
Pages (from-to)	584-586
Number of pages	3
Journal	Journal of Magnetism and Magnetic Materials
Volume	310
Issue number	2 SUPPL. PART 1
DOIs	https://doi.org/10.1016/j.jmmm.2006.10.224
Publication status	Published - Mar 1 2007
Externally published	Yes

Keywords

Heavy fermion
NQR
Pressure-induced superconductivity
T
Two superconducting domes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Mugino, Y., Kawasaki, S., Yashima, M., Mukuda, H., Kitaoka, Y., Shishido, H., & Onuki, Y. (2007). ¹¹⁵In-NQR study of CeRh_{1 - x} Ir_x In₅ under pressure. Journal of Magnetism and Magnetic Materials, 310(2 SUPPL. PART 1), 584-586. https://doi.org/10.1016/j.jmmm.2006.10.224

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abstract = "We report on pressure-induced evolutions of antiferromagnetic spin fluctuations (AFM-SFs) and unconventional superconductivity on the x = 0.6 sample in a series of compounds CeRh1 - x Irx In5 via the 115In nuclear-quadrupole-resonance (NQR) experiment. The In-NQR 1 / T1 measurements have revealed that the slight application of pressure makes Tc = 0.9 K at P = 0 increase up to Tc = 1.06 K at P = 0.47 GPa. Concomitantly, the character of AFM-SF evolves from an isotropic regime to an anisotropic one as P increases. These results suggest that AFM-SFs play vital role in mediating the strong-coupling superconductivity in CeRh1 - x Irx In5.",

keywords = "Heavy fermion, NQR, Pressure-induced superconductivity, T, Two superconducting domes",

author = "Y. Mugino and S. Kawasaki and M. Yashima and H. Mukuda and Y. Kitaoka and H. Shishido and Y. Onuki",

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T1 - 115In-NQR study of CeRh1 - x Irx In5 under pressure

AU - Mugino, Y.

AU - Kawasaki, S.

AU - Yashima, M.

AU - Mukuda, H.

AU - Kitaoka, Y.

AU - Shishido, H.

AU - Onuki, Y.

PY - 2007/3/1

Y1 - 2007/3/1

N2 - We report on pressure-induced evolutions of antiferromagnetic spin fluctuations (AFM-SFs) and unconventional superconductivity on the x = 0.6 sample in a series of compounds CeRh1 - x Irx In5 via the 115In nuclear-quadrupole-resonance (NQR) experiment. The In-NQR 1 / T1 measurements have revealed that the slight application of pressure makes Tc = 0.9 K at P = 0 increase up to Tc = 1.06 K at P = 0.47 GPa. Concomitantly, the character of AFM-SF evolves from an isotropic regime to an anisotropic one as P increases. These results suggest that AFM-SFs play vital role in mediating the strong-coupling superconductivity in CeRh1 - x Irx In5.

AB - We report on pressure-induced evolutions of antiferromagnetic spin fluctuations (AFM-SFs) and unconventional superconductivity on the x = 0.6 sample in a series of compounds CeRh1 - x Irx In5 via the 115In nuclear-quadrupole-resonance (NQR) experiment. The In-NQR 1 / T1 measurements have revealed that the slight application of pressure makes Tc = 0.9 K at P = 0 increase up to Tc = 1.06 K at P = 0.47 GPa. Concomitantly, the character of AFM-SF evolves from an isotropic regime to an anisotropic one as P increases. These results suggest that AFM-SFs play vital role in mediating the strong-coupling superconductivity in CeRh1 - x Irx In5.

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KW - Pressure-induced superconductivity

KW - T

KW - Two superconducting domes

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