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Fe M
ssbauer spectroscopy of NpFeGa
in magnetic fieldHomma, Yoshiya*; Nasu, Saburo; Nakamura, Akio; Aoki, Dai*; Haga, Yoshinori; Metoki, Naoto; Sakai, Hironori; Ikeda, Shugo; Shiokawa, Yoshinobu*; Onuki, Yoshichika
Journal of Magnetism and Magnetic Materials, 310(2, Part1), p.440 - 442, 2007/03
Times Cited Count：0 Percentile：0.00(Materials Science, Multidisciplinary)Fe Mssbauer measurements of NpFeGa has been carried out in external field at 10 kOe. The negative quadrupole splitting QS was enhanced between 70 and 110 K. Negligibly small QS in the paramagnetic state was verified by a measurement of the spectrum in the applied field of 10 kOe. A correlation between the magnetic state and the electric field gradient implies that the origin of hyperfine magnetic field is not only due to the dipole field from magnetic Np atoms, but also from magnetic Fe atoms.
observed by 
Np and Fe Mssbauer spectroscopyHomma, Yoshiya*; Nasu, Saburo; Nakamura, Akio; Nakada, Masami; Aoki, Dai*; Metoki, Naoto; Yamamoto, Etsuji; Sakai, Hironori; Ikeda, Shugo; Haga, Yoshinori; et al.
Journal of the Physical Society of Japan, 75(Suppl.), p.44 - 46, 2006/08
no abstracts in English
Kuzushita, Kaori; Morimoto, Shotaro*; Nasu, Saburo*
Physica B; Condensed Matter, 329-333(1-4), p.736 - 737, 2003/05
Times Cited Count：9 Percentile：44.60(Physics, Condensed Matter)The physical properties of perovskite iron oxides are closely related to the network of FeO
octahedra. The charge disproportionation (2Fe
Fe
+ Fe
), not observed in SrFeO
, occurs in the oxides being cut the network of FeO octahedra, for example, by introduction of Fe by substitution La for Sr and change in the dimension by insertion of SrO layer. When Co is substituted 40% of Fe in SrFe
O
, the magnetic order changes to ferromagnetic from antiferromagnetic and charge disproportionation is suppressed.
U Mssbauer study on the 5f-quadrupoles in uranium-based intermetallicsTsutsui, Satoshi*; Nakada, Masami; Nasu, Saburo*; Homma, Tetsuo*; Tokiwa, Yoshifumi; Aoki, Dai*; Wisniewski, P.*; Haga, Yoshinori; Onuki, Yoshichika
Hyperfine Interactions, 141/142(1-4), p.237 - 242, 2002/06
Times Cited Count：2 Percentile：14.62(Physics, Atomic, Molecular & Chemical)We have determined the distribution of the 5f-quadrupoles and detected the 5f-quadrupole order in the uranium intermetallics, uranium dipnictides and UPd, with Mo"ssbauer spectroscopy. We have declared that the distribution of the 5f-quadrupoles depends on the magnetic sequence in uranium dipnictides. The distribution of the 5f-quadrupole is spherical in UBi, while those are oblate within c-plane in UP, UAs and USb. We have observed the sudden drop of the recoil-free fraction above the transition temperature of the quadrupole order in UPd. The present result suggests the change of the phonon states due to the quadrupole order in this compound.
U and Fe Mssbauer spectroscopic study of UFe
Tsutsui, Satoshi; Nakada, Masami; Kobayashi, Yasuhiro*; Nasu, Saburo*; Haga, Yoshinori; Onuki, Yoshichika
Hyperfine Interactions, 133(1-4), p.17 - 21, 2001/11
no abstracts in English
U Mssbauer study of UPt
Tsutsui, Satoshi; Nakada, Masami; Nasu, Saburo*; Haga, Yoshinori; Yamamoto, Etsuji; Kimura, Noriaki*; Onuki, Yoshichika
Journal of Magnetism and Magnetic Materials, 226-230(Part.1), p.87 - 88, 2001/05
no abstracts in English
U Mssbauer spectroscopic study of UX(X=Ga, P, As, Sb)Tsutsui, Satoshi; Nakada, Masami; Nasu, Saburo*; Haga, Yoshinori; Homma, Tetsuo; Yamamoto, Etsuji; Tokiwa, Yoshifumi; Aoki, Dai*; Wi
niewski, P.*; Onuki, Yoshichika
Journal of the Physical Society of Japan, Vol.70, Supplement A, p.34 - 36, 2001/05
no abstracts in English
; 
U and 
O NMR studyIkushima, Kenji; Tsutsui, Satoshi; Haga, Yoshinori; Yasuoka, Hiroshi; Walstedt, R. E.; Masaki, Nobuyuki; Nakamura, Akio; Nasu, Saburo*; Onuki, Yoshichika
Physical Review B, 63(10), p.104404_1 - 104404_11, 2001/03
Times Cited Count：100 Percentile：94.91(Materials Science, Multidisciplinary)no abstracts in English
U Mssbauer study on the magnetic properties of uranium-based heavy fermion superconductorsTsutsui, Satoshi; Nakada, Masami; Nasu, Saburo*; Haga, Yoshinori; Homma, Tetsuo; Yamamoto, Etsuji; Okuni, Hitoshi*; Onuki, Yoshichika
Hyperfine Interactions, 126(1-4), p.335 - 340, 2000/07
Times Cited Count：6 Percentile：37.14(Physics, Atomic, Molecular & Chemical)no abstracts in English
Fe Mssbauer spectroscopic study of U
FeTsutsui, Satoshi; Kobayashi, Yasuhiro*; Nakada, Masami; Nasu, Saburo*; Yamamoto, Etsuji; Haga, Yoshinori; Onuki, Yoshichika
Journal of the Physical Society of Japan, 69(6), p.1764 - 1768, 2000/06
Times Cited Count：2 Percentile：24.93(Physics, Multidisciplinary)no abstracts in English
U Mssbauer spectrosopic study of UPdAl and URuSiTsutsui, Satoshi; Nakada, Masami; Nasu, Saburo*; Haga, Yoshinori; Homma, Tetsuo; Yamamoto, Etsuji; Okuni, Hitoshi*; Onuki, Yoshichika
Physica B; Condensed Matter, 281-282, p.242 - 243, 2000/06
Times Cited Count：3 Percentile：21.29(Physics, Condensed Matter)no abstracts in English
U NMR study of antiferromagnet UOIkushima, Kenji; Yasuoka, Hiroshi; Tsutsui, Satoshi; Nasu, Saburo*; Masaki, Nobuyuki; Nakamura, Akio; Ueda, Yutaka*
Physica B; Condensed Matter, 281-282, p.197 - 199, 2000/06
Times Cited Count：2 Percentile：14.96(Physics, Condensed Matter)no abstracts in English
U Moessbauer spectroscopy of UGeTsutsui, Satoshi*; Nakada, Masami; Saeki, Masakatsu; Nasu, Saburo*; Haga, Yoshinori; Yamamoto, Etsuji; Onuki, Yoshichika*
Physical Review B, 60(1), p.37 - 39, 1999/07
Times Cited Count：11 Percentile：53.44(Materials Science, Multidisciplinary)no abstracts in English
) of UTsutsui, Satoshi*; Nasu, Saburo*; Nakada, Masami; ; Saeki, Masakatsu; ; ; Nakamura, Akio
Journal of the Physical Society of Japan, 67(8), p.2641 - 2644, 1998/08
Times Cited Count：8 Percentile：53.09(Physics, Multidisciplinary)no abstracts in English
U NMR in the Antiferromagnetic state of UO; ; Tsutsui, Satoshi*; Saeki, Masakatsu; Nasu, Saburo*;
Journal of the Physical Society of Japan, 67(1), p.65 - 66, 1998/01
Times Cited Count：17 Percentile：81.15(Physics, Multidisciplinary)no abstracts in English
Tsutsui, Satoshi*; Nakada, Masami; Kobayashi, Yasuhiro*; ; Saeki, Masakatsu; Nasu, Saburo*; Nakamura, Akio; Haga, Yoshinori; Homma, Tetsuo*; Yamamoto, Etsuji; et al.
Physics of Strongly Correlated Electron Systems (JJAP Series 11), p.266 - 268, 1998/00
no abstracts in English
U Moessbauer spectroscopy and its application to the study on magnetic properties of uranium compoundsTsutsui, Satoshi*; Saeki, Masakatsu; Nasu, Saburo*
Kotai Butsuri, 32(10), p.821 - 828, 1997/00
no abstracts in English
Homma, Yoshiya*; Nasu, Saburo; Nakamura, Akio; Nakada, Masami; Metoki, Naoto; Aoki, Dai*; Sakai, Hironori; Ikeda, Shugo; Shiokawa, Yoshinobu*; Haga, Yoshinori; et al.
no journal, ,
no abstracts in English
