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2006 Fiscal Year Final Research Report Summary

New Development of Mossbauer Spectroscopy

Research Project

Project/Area Number 17540326
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Condensed matter physics II
Research InstitutionOsaka University

Principal Investigator

NASU Saburo  Osaka University, professor emeritus, 名誉教授 (00030057)

Co-Investigator(Kenkyū-buntansha) ONO Teruo  Kyoto University, Institute for Chemical Research, professor, 化学研究所, 教授 (90296749)
MORIMOTO Shotaro  Osaka University, Graduate School of Eng.Science, research associate, 基礎工学研究科, 助手 (80252633)
SAITO Tadashi  Osaka University, Radioisotope Research Center, professor, ラジオアイソトープ総合センター, 教授 (50153812)
Project Period (FY) 2005 – 2006
KeywordsMossbauer spectroscopy / Nano-magnetism / Fine particle / Nuclear resonant radiation with synchrotron radiation / Phase modulation / Actinide compounds / Oxyhydroxides / FePt ordered alloy
Research Abstract

Mossbauer spectroscopy was discovered about 40 years ago and has been used as one of the powerful tools in the field of solid-state physics. This project aims to get new developments and achievements in this Mossbauer spectroscopy and to contribute in material science like the nanometer-sized fine particle science and also for the actinide science. We have developed Mossbauer spectroscopy in the following research projects. Especially, we have to emphasize that the recent development and application of the nuclear resonant scattering with synchrotron radiation is quite important and essential for the further progress of this spectroscopy in material science.
1. Mossbauer spectroscopic study of iron oxyhydroxides
Corrosion products formed on steel surfaces exposed to nature environment consist of oxyhydroxides like α-FeOOH Goethite, β-FeOOH Akaganeit and γ-FeOOH Lepidocrocite. We performed Mossbauer measurements for these oxyhydroxides and determined relative quantities for these compound … More s for the rust on the steel surface. These results obtained was reported and published in international conference.
2. Mossbauer spectroscopic study of nano-meter-sized fine particles
Mossbauer measurements have been performed for the boron-coated Fe fine particles and SiO_2 coated FePt fine particles. Results obtained clearly show that the B-coated Fe is perfect bcc-Fe and annealed FePt fine particles are tetragonal L1_0 FePt ordered alloy having tetragonal structure.
3. Newly developed nuclear resonant scattering with synchrotron radiation
^<181>Ta nuclear resonant scattering with synchrotron radiation was successfully observed using heterodyne method in SPring8. Using a same facility installed in SPring8,we have succeeded a first observation of the phase modulation of ^<181>Ta nuclear resonant photons by a rotating wedge shaped Lucite disk. This observation by the nuclear resonant scattering with synchrotron radiation make it possible to open the new field of the ultra-high resolution optics like phase and frequency modulations in high energy region.
4. Application of the Mossbauer spectroscopy to the actinide science
^<237>Np and ^<238>U are very important actinide elements. Recently novel magnetism and superconductivity have been discovered in some actinide compounds, like NpFeGa_5. Under the collaboration with Tohoku University and Japan Atomic Research Agency, ^<57>Fe Mossbauer measurements have been performed for NpFeGa_5 and discussed its magnetic propertied in detail and published in International conference. Less

  • Research Products

    (26 results)

All 2007 2006

All Journal Article (22 results) Book (4 results)

  • [Journal Article] Well-ordered Ll_0-FePt Nanoparticles Synthesized by Improved SiO_2-Nanoreacter method2007

    • Author(s)
      Yoshinori Tamada, Shinpei Yamamoto, Saburo Nasu et al.
    • Journal Title

      Appl. Phys. Letter (In press)

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Well-ordered L1_0-FePt Nanoparticles Synthesized by Improved Si0_2-Nanoreacter method2007

    • Author(s)
      Yoshinori Tamada, Shinpei Yamamoto, Saburo Nasu et al.
    • Journal Title

      Applied Physics Letter 90

      Pages: 162509 1-3

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] ^<111>Cd(←^<111>In) Time Differential Perturbed Angular Correlation (TDPAC) Spectroscopy in Fe/Ag Films2006

    • Author(s)
      T.Otomo, S.Nasu, S.Morimoto et al.
    • Journal Title

      Materials Transactions 47

      Pages: 811-816

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Elastic properites of filled-Skutterudite compounds probed by Mossbauer nuclei2006

    • Author(s)
      S.Tsutsui, J.Umemura, H.Kobayashi, T.Tazaki, S.Nasu et al.
    • Journal Title

      Hyperfine Interactions 168

      Pages: 1073-1077

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] ^<237>Np and ^<57>Fe Mossbauer study of NpFeGa_52006

    • Author(s)
      Y.Homma, M.Nakada, A.Nakamura, S.Nasu et al.
    • Journal Title

      Hyperfine Interactions 168

      Pages: 1175-1179

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Hyperfine Interactions of NpFeGa_5 observed by ^<237>Np and ^<57>Fe Mossbauer Spectroscopy2006

    • Author(s)
      Y.Homma, S.Nasu et al.
    • Journal Title

      J. Phys. Soc. Jpn. 75 Suppl.

      Pages: 44-46

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Microscopic Characterization of the Ll_0-FePt Nanoparticles Synthesized by the SiO_2-Nanoreactor Method2006

    • Author(s)
      Y.Tamada, Y.Morimoto, S.Yamamoto, N.Hayashi, M.Takano, S.Nasu, T.Ono
    • Journal Title

      Japanese Journal of Applied Physics 45

      Pages: L1232-L1234

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Fe-Co and Fe-Ni magnetic fine particles encapsulated by graphite carbon2006

    • Author(s)
      Hisato Tokoro, Sgigeo Fujii, Shunsuke Muto, Saburo Nasu
    • Journal Title

      J. of Appl. Phys. 99

      Pages: 08Q512-1-08Q512-3

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] ^<57>Fe Mossbauer spectroscopy of pseudo-1D sulfide of FePb_4Sb_6S_<14>2006

    • Author(s)
      S.Morimoto, Y.Matsushita, et al.
    • Journal Title

      J. of Mag. Mag. Mat. 10

      Pages: 1008-1010

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] ^<57>Fe Mossbauer Spectroscopy of NpFeGa_5 in magnetic field2006

    • Author(s)
      Y.Homma, S.Nasu, et al.
    • Journal Title

      J. of Mag. Mag. Mat. 10

      Pages: 500-503

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Phase Modulation of ^<181>Ta Nuclear Resonant Synchrotron Radiation2006

    • Author(s)
      Saburo Nasu, Shotaro Morimoto, Yoshitaka Yoda
    • Journal Title

      Spring-8 Research Frontiers 2005

      Pages: 150-151

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Stroboscopic Detection of the 181Ta-Mossbauer Resonance with Synchrotron Radiation2006

    • Author(s)
      I.Serdons, R.Callens, S.Nasu et al.
    • Journal Title

      Nucl. Instrum. Meth. in Phys. Res. B 04

      Pages: 297-303

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] 微細加工したMn酸化物積層膜のCPP電気伝導2006

    • Author(s)
      渡邊伸一, 増野敦信, 葛西伸哉, 寺嶋孝仁, 小野輝男
    • Journal Title

      応用磁気学会誌 30

      Pages: 496-500

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Elastic properites of filled-Skutterudite compounds probed by Mossbauer nuclei2006

    • Author(s)
      S.Tsutsui, J.Umemura.H.Kobayashi, T.Tazaki S.Nasu et al.
    • Journal Title

      Hyperfine Interactions 168

      Pages: 1073-1077

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] ^<1237>Np and ^<57>Fe Mossbauer study of NpFeGa_52006

    • Author(s)
      Y.Homma, M.Nakada, A.Nakamura, S.Nasu et al.
    • Journal Title

      Hyperfine Interactions 168

      Pages: 1175-1179

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Hyperfine Interactions of NpFeGa_5 observed by ^<2371>Np and ^<57>Fe Mossbauer Spectroscopy2006

    • Author(s)
      Y.Homma, S.Nasu et al.
    • Journal Title

      Journal of the Physical Society of Japan 75(Suppl.)

      Pages: 44-46

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Microscopic Characterization of the L1_0-FePt Nanoparticles Synthesized by the Si0_2-Nanoreactor Method2006

    • Author(s)
      Y.Tamada, Y.Morimoto, S.Yamamoto, N.Hayashi, M.Takano, S.Nasu, T.Ono Y.Tamada, Y.Morimoto, S.Yamamoto, N.Hayashi, M.Takano, S.Nasu, T.Ono
    • Journal Title

      Japanese Journal of Applied Physics 45

      Pages: L1232-L1234

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Fe-Co and Fe-Ni magnetic fine particles encapsulated by graphite carbon2006

    • Author(s)
      Hisato Tokoro, Sgigeo Fujii, Shunsuke Muto, Saburo Nasu
    • Journal Title

      Journal of Applied Physics 99

      Pages: 08Q512-1-08Q512-3

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] ^<571>Fe Mossbauer spectroscopy of pseudo-1D sulfide of FePb_4Sb_6S_<14>2006

    • Author(s)
      S.Morimoto, Y.Matsushita, et al.
    • Journal Title

      Journal of Magnetism and Magnetic Materials 10

      Pages: 1008-1010

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] ^<57>Fe Mossbauer Spectroscopy of NpFeGa_5 in magnetic field2006

    • Author(s)
      Y.Homma, S.Nasu, et al.
    • Journal Title

      Journal of Magnetism and Magnetic Materials 10

      Pages: 500-503

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Stroboscopic Detection of the 181Ta-Mossbauer Resonance with Synchrotron Radiation2006

    • Author(s)
      I.Serdons, R.Callens, S.Nasu et al.
    • Journal Title

      Nuclear Instruments and Methods in Physics Research B 04

      Pages: 297-303

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] CPP Electric conductivity Mn oxide multilayer fabricated by the technique of micro-fabrication( in Japanese)2006

    • Author(s)
      S.Watanabe, T.Masuno, S.Kasai, K.Terashima, T.Ono
    • Journal Title

      Journal Of the Magnetic Society of Japan 30

      Pages: 297-303

    • Description
      「研究成果報告書概要(欧文)」より
  • [Book] Characterization of Corrosion Products on Steel Surfaces in Advances in Material Research, Vol. 7, edited by Y. Waseda and S. Suzuki2006

    • Author(s)
      Takayuki Kamimura, Saburo Nasu
    • Total Pages
      273-290
    • Publisher
      Springer
    • Description
      「研究成果報告書概要(和文)」より
  • [Book] メスバウアー分光in高圧技術ハンドブック([編]毛利信男/村田恵三/上床美也/高橋博樹)2006

    • Author(s)
      那須三郎
    • Total Pages
      128-131, 286-293
    • Publisher
      丸善株式会社
    • Description
      「研究成果報告書概要(和文)」より
  • [Book] Characterization of Corrosion Products on Steel Surfaces in Advances in Material Research, Vol.7(edited by Y.Waseda and S.Suzuki. 7,edited by Y.Waseda and S.Suzuki)2006

    • Author(s)
      Takayuki Kamimura, Saburo Nasu
    • Total Pages
      811-816
    • Publisher
      Springer
    • Description
      「研究成果報告書概要(欧文)」より
  • [Book] Mossbauer spectroscopy in Handbook of High Pressure Technology (edited by N.Mouri, K.Murata, Y.Uwatoko and H.Takahashi)2006

    • Author(s)
      Saburo Nasu
    • Total Pages
      128-131, 286-293
    • Publisher
      Maruzen Publishing Company.
    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2008-05-27  

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