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JAEA Reports

Records on synthesis of neptunium compounds, recovery and reuse of neptunium by professor N. N. KROT

Saeki, Masakatsu

JAERI-Review 2002-040, 23 Pages, 2003/01

JAERI-Review-2002-040.pdf:1.38MB

Professor Krot stayed at Tokai research establishment, Japan Atomic Energy Research Institute for 45 days from Friday on February 28, 1997 to Thursday on January 16, 1997 by an invitation of the Research group for Moessbauer spectroscopy of actinoids, Advanced science research center. In the mean time, Professor Krot left many memoranda on actinoid research for the research group. This is the translated form of those. The contents are various things, that is, “synthesis of neptunium compounds in valence states of 3, 6 and 7", “method for recovery and reuse of neptunium from compounds in a laboratory", “records of the neptunium compounds synthesized during his stay", and so on. Also, the contents of discussions between Professor Krot and mainly the author is summarized in chronological order.

Journal Articles

Phase relations between a fluorite and a pyrochlore structure in the system of actinides and zirconium oxides

Yamashita, Toshiyuki; Kuramoto, Kenichi; Nakada, Masami; Yamazaki, Satoshi*; Sato, Tsuyoshi*; Matsui, Tsuneo*

Journal of Nuclear Science and Technology, 39(Suppl.3), p.585 - 591, 2002/11

no abstracts in English

Journal Articles

$$^{151}$$Eu M$"o$ssbauer spectroscopic study on the Eu$$_{y}$$M$$_{1-y}$$O$$_{2-y}$$(0$$leq$$y$$leq$$1.0)(M=Th, U)

Masaki, Nobuyuki; Otobe, Haruyoshi; Nakamura, Akio; Harada, Daijitsu*; Ito, Kentaro*; Sasaki, Yoshinobu*; Hinatsu, Yukio*

Journal of Nuclear Science and Technology, 39(Suppl.3), p.217 - 220, 2002/11

no abstracts in English

Journal Articles

M$"o$ssbauer spectroscopic studies of $$^{237}$$Np in aqueous solutions

Nakada, Masami; Masaki, Nobuyuki; Yamashita, Toshiyuki

Journal of Nuclear Science and Technology, 39(Suppl.3), p.426 - 428, 2002/11

no abstracts in English

Journal Articles

Tensile property changes due to phase decomposition in duplex cast stainless steel

Miura, Takayuki*; Kuwano, Hisashi*; Kikuchi, Kenji

Tetsu To Hagane, 87(2), p.31 - 36, 2001/02

no abstracts in English

Journal Articles

Phase transition of NpO$$_{2}$$ at 25K

Masaki, Nobuyuki; Nakada, Masami; Tsutsui, Satoshi; Nakamura, Akio; Yamashita, Toshiyuki

Physica B; Condensed Matter, 281-282, p.256 - 257, 2000/06

 Times Cited Count:4 Percentile:27.84(Physics, Condensed Matter)

no abstracts in English

Journal Articles

$$^{151}$$Eu-M$"o$ssbauer spectroscopic study of the fluorite-type oxide solid solutions, Eu$$_{y}$$M$$_{1-y}$$O$$_{2-y/2}$$ (M=Zr,Ce)(0$$leq$$y$$leq$$1.0)

Masaki, Nobuyuki; Guillermo, N. R. D.; Otobe, Haruyoshi; Nakamura, Akio; Izumiyama, Yuki*; Hinatsu, Yukio*

Advances in Science and Technology, 29, p.1233 - 1240, 2000/00

no abstracts in English

Journal Articles

A Correlation between isomer shifts of $$^{237}$$Np Moessbauer spectra and coordination numbers of Np atoms in neptunyl(V) compounds

Saeki, Masakatsu; Nakada, Masami; Nakamoto, Tadahiro*; Yamashita, Toshiyuki; ; Krot, N. N.*

Journal of Radioanalytical and Nuclear Chemistry, 239(2), p.221 - 225, 1999/00

 Times Cited Count:7 Percentile:49.7(Chemistry, Analytical)

no abstracts in English

Journal Articles

Coordination chemistry of neptunyl(V) compounds by means of Moessbauer spectroscopy

Saeki, Masakatsu; Nakada, Masami; Nakamoto, Tadahiro*; ; Yamashita, Toshiyuki

Journal of Alloys and Compounds, 271-273, p.176 - 179, 1998/00

 Times Cited Count:4 Percentile:39.22(Chemistry, Physical)

no abstracts in English

Journal Articles

Preparation of source and sealed absorber holder for $$^{237}$$Np and $$^{238}$$U Moessbauer measurements

Nakada, Masami; Saeki, Masakatsu; ; Tsutsui, Satoshi*

Journal of Radioanalytical and Nuclear Chemistry, 232(1-2), p.201 - 207, 1998/00

 Times Cited Count:8 Percentile:57.28(Chemistry, Analytical)

no abstracts in English

Journal Articles

Magnetic properties of layered perovskites NaLnTiO$$_{4}$$(Ln=Sm,Eu,and Gd)

*; Hinatsu, Yukio*; ; Saeki, Masakatsu

Journal of Solid State Chemistry, 138(2), p.342 - 346, 1998/00

 Times Cited Count:17 Percentile:55.3(Chemistry, Inorganic & Nuclear)

no abstracts in English

Journal Articles

Synthesis and properties of some neptunyl(V) phthalates

Saeki, Masakatsu; Nakada, Masami; Yamashita, Toshiyuki; Nakamoto, Tadahiro*; Krot, N. N.*

Radiochimica Acta, 80(2), p.89 - 94, 1998/00

no abstracts in English

Journal Articles

Moessbauer spectroscopic study of iron selenate irradiated by 14MeV neutrons

Nakada, Masami; ; Saeki, Masakatsu; Aratono, Yasuyuki; Ikeda, Yujiro; *

SIF Conf. Proc., Vol. 50 (ICAME-95), 0, p.99 - 102, 1996/00

no abstracts in English

Journal Articles

New system of time differential emission Moessbauer spectroscopy with event-by-event mode

Nakada, Masami; ; Saeki, Masakatsu; Sagawa, Chiaki; Aratono, Yasuyuki; *

Hyperfine Interactions, 92, p.1183 - 1188, 1994/00

 Times Cited Count:1 Percentile:11.32(Physics, Atomic, Molecular & Chemical)

no abstracts in English

Journal Articles

Moessbauer spectroscopic study on glaze of pottery

*; *; *; *; Nakahara, Hiromichi*; Nakada, Masami; Saeki, Masakatsu; Aratono, Yasuyuki

Hyperfine Interactions, 91, p.645 - 649, 1994/00

 Times Cited Count:2 Percentile:20.81(Physics, Atomic, Molecular & Chemical)

no abstracts in English

Journal Articles

Moessbauer spectroscopic study of frozen solutions of $$^{57}$$Co using a specially designed cryostat for time differential coincidence emission Moessbauer spectroscopy of $$^{237}$$Np

Saeki, Masakatsu; Nakada, Masami; ; Yoshida, Zenko; *; *; Yamashita, Toshiyuki; ;

Hyperfine Interactions, 92, p.1177 - 1181, 1994/00

 Times Cited Count:7 Percentile:48.81(Physics, Atomic, Molecular & Chemical)

no abstracts in English

Journal Articles

Chemical reactions induced by 40keV He$$^{+}$$ ions in Fe$$_{3}$$O$$_{4}$$ and $$alpha$$-Fe$$_{2}$$O$$_{3}$$

Aratono, Yasuyuki; Sagawa, Chiaki; Nakashima, Mikio; Nakada, Masami; Hojo, Kiichi; Saeki, Masakatsu

Hyperfine Interactions, 70, p.905 - 908, 1992/00

 Times Cited Count:5 Percentile:36.29(Physics, Atomic, Molecular & Chemical)

no abstracts in English

17 (Records 1-17 displayed on this page)
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