Pure Nuclear Reflection from ^<natural>FeN_<0.7>/^<57>FeN_<0.7> Multilayer (Condensed Matter : Structure, Mechanical and Thermal Properties)

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概要

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• Amorphous alloy of Fe-N with 〜40at. % N has been prepared by reactive ion-beam sputtering. A systematic study of the growth behaviour, thermal stability, atomic diffusion and the magnetic properties of the alloy has been done. Deposition characteristics of the film have been studied using the x-ray reflectivity and the atomic force microscopy techniques. The results suggest that it is a suitable system for preparing isotopic multilayers for application as the nuclear Bragg monochromator. Pure nuclear Bragg reflections have been observed from an isotopic multilayer of composition : float glass (substrate)/ [^<nat>FeN_<0.7>(30Å)/^<57>FeN_<0.7>(20Å)]_<×10>/^<nat>FeN_<0.7>(30Å). A nuclear Bragg peak because of isotopic periodicity is observed at an angle of 0.55°. where the electronic scattering is of the order of 10^<-3>. A nuclear reflectivity of 2.5% has been obtained at the first Bragg peak.

• 社団法人日本物理学会の論文
• 2004-02-15

著者

• Gupta A

  Inter-university Consortium For Dae Facilities

• Gupta Ajay

  Inter-university Consortium For Dae Facilities University Campus

• Yoda Y.

  Crest Japan Science And Technology Agency

• GUPTA Mukul

  Inter-University Consortium for DAE facilities

• DASANNACHARYA B.

  Inter-University Consortium for DAE facilities

• YODA Y.

  JSAERI

• KIKUTA S.

  JSAERI

• SETO M.

  RRI, Kyoto University

• Gupta Mukul

  Inter-university Consortium For Dae Facilities:lns & Ethz Paul Scherrer Institute

• Kikuta S

  Jsaeri

• Gupta Ajay

  Inter-University Consortium for DAE facilities

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