Abstract
We have carried out 115In nuclear quadrupole resonance (NQR) measurements of the antiferromagnetic (AF) dense-Kondo compound CeIn 3 (T N =10 K) under pressure. In the AF ordered state, a small internal field of about 6 kOe (1.6 K) appears in the direction parallel to the respective Ce–In planes. The non-vanishing 115In internal field means that the Ce magnetic moments orient perpendicular to the (1 1 1) plane. With applied pressure, the internal field decreases gradually and disappears above 24.4 kbar. The nuclear spin–lattice relaxation rate T 1 −1 is nearly temperature independent in the paramagnetic state and is strongly suppressed with increasing pressure. Fermi liquid behavior was observed below 10 K at 27.4 kbar.
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