Abstract

The soft x-ray absorption spectra of Be and BeO were measured near the <i>K</i> edge using the NBS 180 MeV synchrotron as a background continuum source. The energy-loss spectrum of 20-keV electrons transmitted through thin Be films at zero scattering angle was measured in the corresponding 100-170 eV energy-loss range. The <i>K</i> edges of Be and BeO measured by x-ray absorption were at 112.1±0.2 eV and 118.4±0.2 eV, respectively. The Be <i>K</i> edge in the electron-energy-loss spectrum was at 111.7±0.4 eV. The positions of maxima in the absorption fine structure determined by the two techniques were also in good agreement.

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  1. H. Watanabe, Japan J. Appl. Phys. 3, 804 (1964).
  2. N. Swanson and C. J. Powell, Phys. Rev. 167, 592 (1968).
  3. R. P. Madden, D. L. Ederer, and K. Codling, Appl. Opt. 6, 31 (1967).
  4. K. Codling and R. P. Madden, J. Appl. Phys. 36, 380 (1965).
  5. L. Marton and J. A. Simpson, Rev. Sci. Instr. 29, 567 (1958). 1192
  6. N. Swanson, J. Opt. Soc., Am. 54, 1130 (1964).
  7. If we assume the longitudinal and transverse dielectric constants are equal in this energy range. See V. Ambegaokar and W. Kohn, Phys. Rev. 117, 423 (1960), particularly Ref. 11.
  8. N. Swanson and C. J. Powell, Phys. Rev. 145, 195 (1966).
  9. A. P. Lukirskii and I. A. Brytov, Fiz. Tverd. Tela. 6,43 (1964). [English transl.: Sov. Phys.—Solid State 6, 33 (1964)].
  10. T. J. Peterson, E. J. McGuire, and D. H. Tomboulian, Phys. Rev. 129, 674 (1963).
  11. T. Sagawa, Y. Iguchi, M. Sasanuma, A. Ejiri, S. Fujiwara, M. Yokota, S. Yamaguchi, M. Nakamura, T. Sasaki, and T. Oshio, J. Phys. Soc. Japan 21, 2602 (1966).
  12. K. Codling and R. P. Madden, Phys. Rev. 167, 587 (1968).
  13. C. E. Moore, Atomic Energy Levels, Natl. Bur. Std. (U. S.) Circ. 467 (Washington, D. C., 1949–1958).
  14. K. Codling, R. P. Madden, and D. L. Ederer, Phys. Rev. 155, A26 (1967).

Ambegaokar, V.

If we assume the longitudinal and transverse dielectric constants are equal in this energy range. See V. Ambegaokar and W. Kohn, Phys. Rev. 117, 423 (1960), particularly Ref. 11.

Brytov, I. A.

A. P. Lukirskii and I. A. Brytov, Fiz. Tverd. Tela. 6,43 (1964). [English transl.: Sov. Phys.—Solid State 6, 33 (1964)].

Codling, K.

R. P. Madden, D. L. Ederer, and K. Codling, Appl. Opt. 6, 31 (1967).

K. Codling and R. P. Madden, J. Appl. Phys. 36, 380 (1965).

K. Codling and R. P. Madden, Phys. Rev. 167, 587 (1968).

K. Codling, R. P. Madden, and D. L. Ederer, Phys. Rev. 155, A26 (1967).

Ederer, D. L.

K. Codling, R. P. Madden, and D. L. Ederer, Phys. Rev. 155, A26 (1967).

R. P. Madden, D. L. Ederer, and K. Codling, Appl. Opt. 6, 31 (1967).

Ejiri, A.

T. Sagawa, Y. Iguchi, M. Sasanuma, A. Ejiri, S. Fujiwara, M. Yokota, S. Yamaguchi, M. Nakamura, T. Sasaki, and T. Oshio, J. Phys. Soc. Japan 21, 2602 (1966).

Fujiwara, S.

T. Sagawa, Y. Iguchi, M. Sasanuma, A. Ejiri, S. Fujiwara, M. Yokota, S. Yamaguchi, M. Nakamura, T. Sasaki, and T. Oshio, J. Phys. Soc. Japan 21, 2602 (1966).

Iguchi, Y.

T. Sagawa, Y. Iguchi, M. Sasanuma, A. Ejiri, S. Fujiwara, M. Yokota, S. Yamaguchi, M. Nakamura, T. Sasaki, and T. Oshio, J. Phys. Soc. Japan 21, 2602 (1966).

Kohn, W.

If we assume the longitudinal and transverse dielectric constants are equal in this energy range. See V. Ambegaokar and W. Kohn, Phys. Rev. 117, 423 (1960), particularly Ref. 11.

Lukirskii, A. P.

A. P. Lukirskii and I. A. Brytov, Fiz. Tverd. Tela. 6,43 (1964). [English transl.: Sov. Phys.—Solid State 6, 33 (1964)].

Madden, R. P.

K. Codling, R. P. Madden, and D. L. Ederer, Phys. Rev. 155, A26 (1967).

K. Codling and R. P. Madden, Phys. Rev. 167, 587 (1968).

K. Codling and R. P. Madden, J. Appl. Phys. 36, 380 (1965).

R. P. Madden, D. L. Ederer, and K. Codling, Appl. Opt. 6, 31 (1967).

Marton, L.

L. Marton and J. A. Simpson, Rev. Sci. Instr. 29, 567 (1958). 1192

McGuire, E. J.

T. J. Peterson, E. J. McGuire, and D. H. Tomboulian, Phys. Rev. 129, 674 (1963).

Moore, C. E.

C. E. Moore, Atomic Energy Levels, Natl. Bur. Std. (U. S.) Circ. 467 (Washington, D. C., 1949–1958).

Nakamura, M.

T. Sagawa, Y. Iguchi, M. Sasanuma, A. Ejiri, S. Fujiwara, M. Yokota, S. Yamaguchi, M. Nakamura, T. Sasaki, and T. Oshio, J. Phys. Soc. Japan 21, 2602 (1966).

Oshio, T.

T. Sagawa, Y. Iguchi, M. Sasanuma, A. Ejiri, S. Fujiwara, M. Yokota, S. Yamaguchi, M. Nakamura, T. Sasaki, and T. Oshio, J. Phys. Soc. Japan 21, 2602 (1966).

Peterson, T. J.

T. J. Peterson, E. J. McGuire, and D. H. Tomboulian, Phys. Rev. 129, 674 (1963).

Powell, C. J.

N. Swanson and C. J. Powell, Phys. Rev. 145, 195 (1966).

N. Swanson and C. J. Powell, Phys. Rev. 167, 592 (1968).

Sagawa, T.

T. Sagawa, Y. Iguchi, M. Sasanuma, A. Ejiri, S. Fujiwara, M. Yokota, S. Yamaguchi, M. Nakamura, T. Sasaki, and T. Oshio, J. Phys. Soc. Japan 21, 2602 (1966).

Sasaki, T.

T. Sagawa, Y. Iguchi, M. Sasanuma, A. Ejiri, S. Fujiwara, M. Yokota, S. Yamaguchi, M. Nakamura, T. Sasaki, and T. Oshio, J. Phys. Soc. Japan 21, 2602 (1966).

Sasanuma, M.

T. Sagawa, Y. Iguchi, M. Sasanuma, A. Ejiri, S. Fujiwara, M. Yokota, S. Yamaguchi, M. Nakamura, T. Sasaki, and T. Oshio, J. Phys. Soc. Japan 21, 2602 (1966).

Simpson, J. A.

L. Marton and J. A. Simpson, Rev. Sci. Instr. 29, 567 (1958). 1192

Swanson, N.

N. Swanson, J. Opt. Soc., Am. 54, 1130 (1964).

N. Swanson and C. J. Powell, Phys. Rev. 167, 592 (1968).

N. Swanson and C. J. Powell, Phys. Rev. 145, 195 (1966).

Tomboulian, D. H.

T. J. Peterson, E. J. McGuire, and D. H. Tomboulian, Phys. Rev. 129, 674 (1963).

Watanabe, H.

H. Watanabe, Japan J. Appl. Phys. 3, 804 (1964).

Yamaguchi, S.

T. Sagawa, Y. Iguchi, M. Sasanuma, A. Ejiri, S. Fujiwara, M. Yokota, S. Yamaguchi, M. Nakamura, T. Sasaki, and T. Oshio, J. Phys. Soc. Japan 21, 2602 (1966).

Yokota, M.

T. Sagawa, Y. Iguchi, M. Sasanuma, A. Ejiri, S. Fujiwara, M. Yokota, S. Yamaguchi, M. Nakamura, T. Sasaki, and T. Oshio, J. Phys. Soc. Japan 21, 2602 (1966).

Other

H. Watanabe, Japan J. Appl. Phys. 3, 804 (1964).

N. Swanson and C. J. Powell, Phys. Rev. 167, 592 (1968).

R. P. Madden, D. L. Ederer, and K. Codling, Appl. Opt. 6, 31 (1967).

K. Codling and R. P. Madden, J. Appl. Phys. 36, 380 (1965).

L. Marton and J. A. Simpson, Rev. Sci. Instr. 29, 567 (1958). 1192

N. Swanson, J. Opt. Soc., Am. 54, 1130 (1964).

If we assume the longitudinal and transverse dielectric constants are equal in this energy range. See V. Ambegaokar and W. Kohn, Phys. Rev. 117, 423 (1960), particularly Ref. 11.

N. Swanson and C. J. Powell, Phys. Rev. 145, 195 (1966).

A. P. Lukirskii and I. A. Brytov, Fiz. Tverd. Tela. 6,43 (1964). [English transl.: Sov. Phys.—Solid State 6, 33 (1964)].

T. J. Peterson, E. J. McGuire, and D. H. Tomboulian, Phys. Rev. 129, 674 (1963).

T. Sagawa, Y. Iguchi, M. Sasanuma, A. Ejiri, S. Fujiwara, M. Yokota, S. Yamaguchi, M. Nakamura, T. Sasaki, and T. Oshio, J. Phys. Soc. Japan 21, 2602 (1966).

K. Codling and R. P. Madden, Phys. Rev. 167, 587 (1968).

C. E. Moore, Atomic Energy Levels, Natl. Bur. Std. (U. S.) Circ. 467 (Washington, D. C., 1949–1958).

K. Codling, R. P. Madden, and D. L. Ederer, Phys. Rev. 155, A26 (1967).

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