Magnetic form factor study of NpFeGa by neutron scattering

Sugai, Takashi; Mizuno, Fumio; Jonen, Shintaro*; Kaneko, Koji ; Metoki, Naoto ; Haga, Yoshinori ; Aoki, Dai*; Homma, Yoshiya*; Shiokawa, Yoshinobu*

Np-115 compounds show various magenetic structures by changing the transision metal. NpFeGa is the antiferromagnet which orders Q=(1/2 1/2 0) with two steps. Additionally NpFeGa has the magnetic moment not only on Np site but also on Fe site. By analyzing the magnetic form factor, we obtained that it was possible for Fe to have the orbital magnetic moment. It is interesting because ordinarily the orbital magnetic moment of Fe is quenched.

Language	:	Japanese
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Meeting title	:	日本物理学会第62回年次大会
Held date	:	2007/09
Location (city)	:	札幌
Location (country)	:	日本
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Keywords	:	no keyword
Research Facility	:	JRR-3M(研究炉3)
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Article of JAEA R&D Review	:
Cooperating Institute	:	東北大学

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Registration No. : BB20071404
JAEA Abstracts No. :
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