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Inami, Toshiya*; Shobu, Takahisa; Ishii, Kenji*
IEEE Transactions on Magnetics, 57(3, Part 2), p.6400105_1 - 6400105_5, 2021/03
Times Cited Count：0 Percentile：0(Engineering, Electrical & Electronic)
La
B
studied by resonant X-ray diffractionMatsumura, Takeshi*; Michimura, Shinji*; Inami, Toshiya; Otsubo, Toru*; Tanida, Hiroshi*; Iga, Fumitoshi*; Sera, Masafumi*
JPS Conference Proceedings (Internet), 3, p.014008_1 - 014008_6, 2014/06
We study the 
-type antiferro-octupole (AFO) ordered state of CeLaB below 1.5 K by resonant X-ray diffraction in magnetic fields. Multipole moments induced by the field in the AFO phase are identified. In a mean-field model for the AFO order within the 
quartet crystal-field ground state, the 
and 
antiferroquadrupoles (AFQ) are expected as mostly induced AFQ. However, in contrast to this expectation, the main induced moment is found to be the 
-type AFQ.
C; Direct observation with resonant X-ray diffractionTanaka, Yoshikazu*; Inami, Toshiya; Lovesey, S. W.*; Knight, K. S.*; Yakhou, F.*; Mannix, D.*; Kokubun, Jun*; Kanazawa, Masayuki*; Ishida, Kotaro*; Nanao, Susumu*; et al.
Physical Review B, 69(2), p.024417_1 - 024417_11, 2004/01
Times Cited Count：36 Percentile：79.6(Materials Science, Multidisciplinary)Direct evidence of the spatial ordering of Dy 4
quadrupole and hexadecapole moments in DyBC is demonstrated by resonant X-ray diffraction enhanced by an electric quadrupole event (
2 resonance) at the Dy L
absorption edge. The diffraction data show that the structural phase transition at 
= 24.7 K is accompanied by a reduction in the symmetry of the Dy site to 2/
, from 4/, and the spatial ordering of the time-even Dy multipoles with A
character. Below the crystal structure is described by the space group 
4/
and Dy ions occupy sites (4
). The distortion at T involves the lattice occupied by B and C ions, and it amounts to a buckling of B-C planes that are normal to the two-fold rotation axis of 2/. An immediately plausible model of low-energy Dy states correlates data on the specific heat, our X-ray diffraction signals, and magnetic ordering below 15.3 K which has been observed in magnetic neutron diffraction.
Mizuki, Junichiro
Bussei Kenkyu, 79(3), p.481 - 490, 2002/12
The content of the text is focused on a use of resonant effect of X-rays from Synchrotron Radiation. The resonant effect of X-rays is one of the advantages of Synchrotron radiation to be used for structural studies on condenced matters. We will show some recent studies employed with this effect.
