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Journal Articles

Resonant magnetic X-ray diffraction study on the successive metamagnetic transitions of TbB$$_4$$ up to 30T

Inami, Toshiya; Owada, Kenji; Matsuda, Yasuhiro*; Ouyang, Z. W.*; Nojiri, Hiroyuki*; Matsumura, Takeshi*; Okuyama, Daisuke*; Murakami, Yoichi*

Journal of Physics; Conference Series, 211, p.012010_1 - 012010_6, 2010/02

 Times Cited Count:3 Percentile:75.92

Journal Articles

XMCD spectroscopy on valence fluctuating and heavy fermion compounds in very high magnetic fields up to 40 T

Matsuda, Yasuhiro*; Her, J. L.*; Inami, Toshiya; Owada, Kenji; Ouyang, Z. W.*; Okada, Kyoko*; Nojiri, Hiroyuki*; Mitsuda, Akihiro*; Wada, Hirofumi*; Yoshimura, Kazuyoshi*; et al.

Journal of Physics; Conference Series, 190, p.012019_1 - 012019_6, 2009/11

 Times Cited Count:7 Percentile:85.24

Journal Articles

X-ray magnetic circular dichroism of a valence fluctuating state in Eu at high magnetic fields

Matsuda, Yasuhiro*; Ouyang, Z. W.*; Nojiri, Hiroyuki*; Inami, Toshiya; Owada, Kenji; Suzuki, Motohiro*; Kawamura, Naomi*; Mitsuda, Akihiro*; Wada, Hirofumi*

Physical Review Letters, 103(4), p.046402_1 - 046402_4, 2009/07

 Times Cited Count:53 Percentile:87.17(Physics, Multidisciplinary)

X-ray magnetic circular dichroism (XMCD) at the Eu L edge in two compounds exhibiting valence fluctuation, namely EuNi$$_2$$(Si$$_{0.18}$$Ge$$_{0.82}$$)$$_2$$ and EuNi$$_2$$P$$_2$$, has been investigated at high magnetic fields of up to 40T. A distinct XMCD peak corresponding to the trivalent state (Eu$$^{3+}$$), whose ground state is nonmagnetic (J = 0), was observed in addition to the main XMCD peak corresponding to the magnetic (J = 7/2) divalent state (Eu$$^{2+}$$). This result indicates that the 5$$d$$ electrons belonging to both valence states are magnetically polarized. It was also found that the ratio $$P$$$$_{5d}$$(3+)/$$P$$$$_{5d}$$(2+) between the polarization of 5$$d$$ electrons($$P$$$$_{5d}$$) in the Eu$$^{3+}$$ state and that of Eu$$^{2+}$$ depends on the material. The possible origin of the XMCD and an explanation of the material dependence of $$P$$$$_{5d}$$(3+)/$$P$$$$_{5d}$$(2+) are discussed in terms of hybridization between the conduction electrons and the f electrons.

Journal Articles

Resonant magnetic X-ray diffraction study on successive metamagnetic transitions in TbB$$_4$$

Inami, Toshiya; Owada, Kenji; Matsuda, Yasuhiro*; Ouyang, Z. W.*; Nojiri, Hiroyuki*; Matsumura, Takeshi*; Okuyama, Daisuke*; Murakami, Yoichi*

Journal of the Physical Society of Japan, 78(3), p.033707_1 - 033707_4, 2009/03

 Times Cited Count:16 Percentile:65.84(Physics, Multidisciplinary)

Journal Articles

Direct observation of field-induced variant transformation in Fe$$_3$$Pt using pulsed magnetic field X-ray diffraction

Ouyang, Z. W.*; Matsuda, Yasuhiro*; Nojiri, Hiroyuki*; Inami, Toshiya; Owada, Kenji; Tsubota, Masami*; Sakon, Takuo*; Fukuda, Takashi*; Kakeshita, Tomoyuki*

Journal of Applied Physics, 102(11), p.113917_1 - 113917_6, 2007/12

 Times Cited Count:1 Percentile:5.43(Physics, Applied)

Oral presentation

A Study of multi-step magnetization process of TbB$$_4$$

Inami, Toshiya; Owada, Kenji; Ouyang, Z. W.*; Matsuda, Yasuhiro*; Nojiri, Hiroyuki*; Matsumura, Takeshi*; Okuyama, Daisuke*; Murakami, Yoichi*

no journal, , 

no abstracts in English

Oral presentation

A Study of multi-step magnetization process of TbB$$_4$$, 2

Inami, Toshiya; Owada, Kenji; Ouyang, Z. W.*; Matsuda, Yasuhiro*; Nojiri, Hiroyuki*; Matsumura, Takeshi*; Murakami, Yoichi*

no journal, , 

no abstracts in English

Oral presentation

Resonant magnetic X-ray diffraction study under pulsed high magnetic field

Inami, Toshiya; Owada, Kenji; Matsuda, Yasuhiro*; Ouyang, Z. W.*; Nojiri, Hiroyuki*; Matsumura, Takeshi*; Okuyama, Daisuke*; Murakami, Yoichi*

no journal, , 

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