Ga NMR study of UGa $_{3}$ ; Antiferromagnetically ordered state

Kambe, Shinsaku ; Walstedt, R. E.; Sakai, Hironori; Tokunaga, Yo ; Matsuda, Tatsuma; Haga, Yoshinori ; Onuki, Yoshichika

Temperature dependence of the spin-lattice relaxation time ( $T_{1}$ ) at Ga site are measured for the paramagnetic and antiferromagnetically (AFM) ordered states of UGa $_{3}$ ( $T_{N}=66K$ ). Clear minimaum of has been observed at in addition to a minimun at , indicating that second order phase transtion occures at both temperatures. Based on a comparison between of $^{69}$ Ga and $^{71}$ Ga nucleai, the enhanced fluctuations at both temparature are magnetic. The origin of the transitions are discussed.

Language	:	English
Journal	:	Physical Review B
Volume	:	72
Number	:	18
Pages	:	p.184437_1 - 184437_8
Publication Year/Month	:	2005/11
Meeting title	:	International Conference on Magnetism 2003 (ICM 2003)
Held date	:	2003/07
Location (city)	:	Rome
Location (country)	:	Italy
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.1103/PhysRevB.72.184437
DOI for research data	:
Keywords	:	NMR; 磁性; 軌道秩序
Research Facility	:
Press Release	:
Article of JAEA R&D Review	:
Cooperating Institute	:

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Registration No. : B20030554
JAEA Abstracts No. : 34000586
Paper Submission No. : 709

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Ga NMR study of UGa; Antiferromagnetically ordered state

Ga NMR study of UGa $_{3}$ ; Antiferromagnetically ordered state