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explored by nuclear quadrupole resonanceKoutroulakis, G.*; Yasuoka, Hiroshi; Chudo, Hiroyuki; Tobash, P. H.*; Mitchell, J. N.*; Bauer, E. D.*; Thompson, J. D.*
New Journal of Physics (Internet), 16, p.053019_1 - 053019_12, 2014/05
Times Cited Count：6 Percentile：44.73(Physics, Multidisciplinary)We report 
In nuclear quadrupolar resonance (NQR) measurements on the heavy-fermion superconductor PuCoIn, in the temperature range 0.29 K 
75 K. The NQR parameters for the two crystallographically inequivalent In sites are determined, and their temperature dependence is investigated. A linear shift of the quadrupolar frequency with lowering temperature below the critical value 
is revealed, in agreement with the prediction for composite pairing. The nuclear spin-lattice relaxation rate 
clearly signals a superconducting (SC) phase transition at 
2.3 K, with strong spin fluctuations, mostly in-plane, dominating the relaxation process in the normal state near to . Analysis of the 
data in the SC state suggests that PuCoIn is a strong-coupling 
-wave superconductor.
explored using In nuclear quadrupole resonanceChudo, Hiroyuki; Koutroulakis, G.*; Yasuoka, Hiroshi; Bauer, E. D.*; Tobash, P. H.*; Mitchell, J. N.*; Thompson, J. D.*
Journal of Physics; Condensed Matter, 26(3), p.036001_1 - 036001_5, 2014/01
Times Cited Count：5 Percentile：23.82(Physics, Condensed Matter)The results of In nuclear quadrupole resonance (NQR) measurements on PuIn are reported. Three of the four NQR lines of In expected for nuclear spin 
=9/2 are observed. The equal spacing of these lines at 20 K yields the NQR frequency of 
=10.45 MHz, and the asymmetry parameter of the electric field gradient, 
=0. The NQR line profile and the nuclear spin-lattice relaxation rate 
display an abrupt change at 14 K, which is associated with the onset of long-range antiferromagnetic order. The temperature dependences of the staggered magnetization 
, extracted from the NQR spectra, and below 
=14 K are well explained by the self-consistent renormalization (SCR) theory for spin fluctuations. In addition, scaling between 
and 
is also consistent with the predictions of SCR theory, providing further evidence that PuIn is a weak itinerant antiferromagnet in which spin fluctuations around the antiferromagnetic wave vector play a major role in the system's behavior at finite temperatures.
Pu nuclear magnetic resonanceYasuoka, Hiroshi; Koutroulakis, G.*; Chudo, Hiroyuki; Richmond, S.*; Veirs, D. K.*; Smith, A. I.*; Bauer, E. D.*; Thompson, J. D.*; Jarvinen, G. D.*; Clark, D. L.*
Science, 336(6083), p.901 - 904, 2012/05
Times Cited Count：47 Percentile：85.67(Multidisciplinary Sciences)Yasuoka, Hiroshi; Koutroulakis, G.*; Chudo, Hiroyuki; Tobash, P. H.*; Richmond, S.*; Bauer, E. D.*; Ronning, F.*; Thompson, J. D.*; Clark, D. L.*
no journal, ,
Yasuoka, Hiroshi; Koutroulakis, G.*; Bauer, E. D.*; Mitchell, J. N.*; Tobash, P. H.*; Thompson, J. D.*; Chudo, Hiroyuki; Sakai, Hironori
no journal, ,
no abstracts in English
