Multipole and superconducting state in PrIr2Zn20 probed by muon spin relaxation
Physical Reviews B Volume 85 Issue 23
Page 235152-
published_at 2012
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| File | |
| Title ( eng ) |
Multipole and superconducting state in PrIr2Zn20 probed by muon spin relaxation
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| Creator |
Higemoto Wataru
Ito Takashi
Ninomiya Kazuhiko
Matsumoto Keisuke
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| Source Title |
Physical Reviews B
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| Volume | 85 |
| Issue | 23 |
| Start Page | 235152 |
| Abstract |
We performed muon spin rotation and relaxation (mu SR) measurements in the caged-structure heavy-fermion system PrIr2Zn20 to elucidate its magnetic and superconducting properties. Temperature-independent mu SR spectra were observed below 1 K, indicating that the phase transition at 0.11 K is of a nonmagnetic origin, most probably pure quadrupole ordering. In the superconducting phase, no sign of unconventional superconductivity, such as superconductivity with broken time-reversal symmetry, was seen below T-c = 0.05 K. We also observed spontaneous muon spin precession in zero field in the paramagnetic phase below 15 K, suggesting that unusual coupling between Pr-141 nuclei and muons is realized in PrIr2Zn20.
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| NDC |
Physics [ 420 ]
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
American Physical Society
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| Date of Issued | 2012 |
| Rights |
(c) 2011 American Physical Society
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| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 1098-0121
[DOI] 10.1103/PhysRevB.85.235152
[NCID] AA11187113
[DOI] http://dx.doi.org/10.1103/PhysRevB.85.235152
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