Anisotropic uniaxial pressure response in UCoAl studied by nuclear magnetic resonance measurement

Kosuke Karube, Shunsaku Kitagawa, Taisuke Hattori, Kenji Ishida, Noriaki Kimura, Takemi Komatsubara

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Abstract

We have performed nuclear quadrupole resonance and nuclear magnetic resonance measurements on UCoAl with strong Ising-type anisotropy under b- and c-axes uniaxial pressure. In the b-axis uniaxial pressure ( P∥b) measurement, we observed an increase in the metamagnetic transition field with increasing P∥b. In the c-axis uniaxial pressure (P∥b) measurement, on the other hand, we observed a ferromagnetic transition in zero magnetic field along the c-axis above P∥c= 0.08 GPa. The anomaly of the nuclear spin-lattice relaxation rate divided by the temperature [(T1T)-1] at T = 20 K is suppressed by P∥band slightly enhanced by P∥c. The anisotropic uniaxial pressure response indicates that uniaxial pressure is a good parameter for tuning the Ising magnetism in UCoAl.

Original languageEnglish
Article number084706
JournalJournal of the Physical Society of Japan
Volume83
Issue number8
DOIs
Publication statusPublished - Aug 15 2014

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nuclear magnetic resonance
pressure measurement
nuclear quadrupole resonance
spin-lattice relaxation
nuclear spin
tuning
anomalies
anisotropy
magnetic fields
temperature

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Anisotropic uniaxial pressure response in UCoAl studied by nuclear magnetic resonance measurement. / Karube, Kosuke; Kitagawa, Shunsaku; Hattori, Taisuke; Ishida, Kenji; Kimura, Noriaki; Komatsubara, Takemi.

In: Journal of the Physical Society of Japan, Vol. 83, No. 8, 084706, 15.08.2014.

Research output: Contribution to journalArticle

Karube, Kosuke ; Kitagawa, Shunsaku ; Hattori, Taisuke ; Ishida, Kenji ; Kimura, Noriaki ; Komatsubara, Takemi. / Anisotropic uniaxial pressure response in UCoAl studied by nuclear magnetic resonance measurement. In: Journal of the Physical Society of Japan. 2014 ; Vol. 83, No. 8.
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