Determination of Mass Absorption Coefficients of Al, Cr, Ni, Zn, Se, Zr, Sn, Sb, Gd, Au, Pb and Bi for the Cu<I>L</I>α Line

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  • Masato Kazuo
    Institute of Space and Aeronautical Science, University of Tokyo
  • Niki Eiji
    Institute of Space and Aeronautical Science, University of Tokyo

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  • Al, Cr, Ni, Zn, Se, Zr, Sn, Sb, Gd, Au, PbおよびBiのCu<I>L</I>α X線質量吸収係数の測定
  • Al,Cr,Ni,Zn,Se,Zr,Sn,Sb,Gd,Au,PbおよびBiのCuLαX線質量吸収係数の測定
  • Al , Cr , Ni , Zn , Se , Zr , Sn , Sb , Gd , Au , Pb オヨビ Bi ノ CuL アルファ Xセン シツリョウ キュウシュウ ケイスウ ノ ソクテイ
  • Determination of Mass Absorption Coefficients of Al, Cr, Ni, Zn, Se, Zr, Sn, Sb, Gd, Au, Pb and Bi for the Cu<I>L</I>&alpha; Line

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The mass absorption coefficients for X-ray of 13.3 Å (=CuLα) have been determined by the use of EPMA and a special composite target.<BR>The composite target was prepared by means of the evaporation of Al, Cr, Ni, Zn, Se, Zr, Sn, Sb, Gd, Au, Pb or Bi on Cu base in vacuum (∼10−5 mmHg).<BR>The mass absorption coefficients of these metals for the CuLα line were determined from the experimental results by the following equation:<BR>(This article is not displayable. Please see full text pdf.) <BR>\oindentHere, I1 and I2 are relative intensities of CuLα line measured from the composite target with Al surface film of t1 g/cm2 and another surface film of t2 g/cm2, respectively, where t1 and t2 are the “equivalent thickness” to each other, and θ is a take-off angle of X-ray.

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