Systematic NQR study of the pressure-induced transition from antiferromagnetic to superconducting state in CeRhIn5

Takeshi Mito; Shinji Kawasaki; Guo Qing Zheng; Yu Kawasaki; Kenji Ishida; Yoshio Kitaoka; Dai Aoki; Yoshinori Haga; Yoshichika Onuki

doi:10.1016/S0921-4526(01)01157-7

Systematic NQR study of the pressure-induced transition from antiferromagnetic to superconducting state in CeRhIn₅

Takeshi Mito, Shinji Kawasaki, Guo Qing Zheng, Yu Kawasaki, Kenji Ishida, Yoshio Kitaoka, Dai Aoki, Yoshinori Haga, Yoshichika Onuki

Research output: Contribution to journal › Conference article › peer-review

1 Citation (Scopus)

Abstract

We report ¹¹⁵In nuclear-quadrupole-resonance (NQR) measurements of the pressure(P)-induced superconductor CeRhIn₅ in the antiferromagnetic (AF) and superconducting (SC) states. In the AF region, the internal field at the In site is substantially reduced from 1.75 kOe at P = 0 to 0.39 kOe at P = 1.23 GPa, while T_N slightly changes with increasing P. This suggests that either the size or the direction of the ordered moment changes as P increases. In the SC state at P = 2.1 GPa, the nuclear spin-lattice relaxation rate has revealed a T³ dependence without the coherence peak just below T_c, giving evidence for the unconventional superconductivity.

Original language	English
Pages (from-to)	16-18
Number of pages	3
Journal	Physica B: Condensed Matter
Volume	312-313
DOIs	https://doi.org/10.1016/S0921-4526(01)01157-7
Publication status	Published - Mar 1 2002
Externally published	Yes
Event	International Conference on Strongly Correlated Electrons - Ann Arbor, MI, United States Duration: Aug 6 2002 → Aug 6 2002

Keywords

CeRhIn
High pressure NQR
Pressure-induced superconductivity

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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Systematic NQR study of the pressure-induced transition from antiferromagnetic to superconducting state in CeRhIn₅. / Mito, Takeshi; Kawasaki, Shinji ; Zheng, Guo Qing; Kawasaki, Yu; Ishida, Kenji; Kitaoka, Yoshio; Aoki, Dai; Haga, Yoshinori; Onuki, Yoshichika.

In: Physica B: Condensed Matter, Vol. 312-313, 01.03.2002, p. 16-18.

Research output: Contribution to journal › Conference article › peer-review

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title = "Systematic NQR study of the pressure-induced transition from antiferromagnetic to superconducting state in CeRhIn5",

abstract = "We report 115In nuclear-quadrupole-resonance (NQR) measurements of the pressure(P)-induced superconductor CeRhIn5 in the antiferromagnetic (AF) and superconducting (SC) states. In the AF region, the internal field at the In site is substantially reduced from 1.75 kOe at P = 0 to 0.39 kOe at P = 1.23 GPa, while TN slightly changes with increasing P. This suggests that either the size or the direction of the ordered moment changes as P increases. In the SC state at P = 2.1 GPa, the nuclear spin-lattice relaxation rate has revealed a T3 dependence without the coherence peak just below Tc, giving evidence for the unconventional superconductivity.",

keywords = "CeRhIn, High pressure NQR, Pressure-induced superconductivity",

author = "Takeshi Mito and Shinji Kawasaki and Zheng, {Guo Qing} and Yu Kawasaki and Kenji Ishida and Yoshio Kitaoka and Dai Aoki and Yoshinori Haga and Yoshichika Onuki",

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T1 - Systematic NQR study of the pressure-induced transition from antiferromagnetic to superconducting state in CeRhIn5

AU - Mito, Takeshi

AU - Kawasaki, Shinji

AU - Zheng, Guo Qing

AU - Kawasaki, Yu

AU - Ishida, Kenji

AU - Kitaoka, Yoshio

AU - Aoki, Dai

AU - Haga, Yoshinori

AU - Onuki, Yoshichika

PY - 2002/3/1

Y1 - 2002/3/1

N2 - We report 115In nuclear-quadrupole-resonance (NQR) measurements of the pressure(P)-induced superconductor CeRhIn5 in the antiferromagnetic (AF) and superconducting (SC) states. In the AF region, the internal field at the In site is substantially reduced from 1.75 kOe at P = 0 to 0.39 kOe at P = 1.23 GPa, while TN slightly changes with increasing P. This suggests that either the size or the direction of the ordered moment changes as P increases. In the SC state at P = 2.1 GPa, the nuclear spin-lattice relaxation rate has revealed a T3 dependence without the coherence peak just below Tc, giving evidence for the unconventional superconductivity.

AB - We report 115In nuclear-quadrupole-resonance (NQR) measurements of the pressure(P)-induced superconductor CeRhIn5 in the antiferromagnetic (AF) and superconducting (SC) states. In the AF region, the internal field at the In site is substantially reduced from 1.75 kOe at P = 0 to 0.39 kOe at P = 1.23 GPa, while TN slightly changes with increasing P. This suggests that either the size or the direction of the ordered moment changes as P increases. In the SC state at P = 2.1 GPa, the nuclear spin-lattice relaxation rate has revealed a T3 dependence without the coherence peak just below Tc, giving evidence for the unconventional superconductivity.

KW - CeRhIn

KW - High pressure NQR

KW - Pressure-induced superconductivity

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EP - 18

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

SN - 0921-4526

T2 - International Conference on Strongly Correlated Electrons

Y2 - 6 August 2002 through 6 August 2002

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