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An X-Ray Spectral Study of Some Compounds of Niobium and Carbon

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Refractory Carbides

Part of the book series: Studies in Soviet Science ((STSS))

Abstract

The emission spectra of the niobium carbides NbC0.66, NbC0.83, and NbC0.98 have been investigated. An increase in the intensity of the second region of the band and a decrease in that of the short-wave region have been observed. This is due to an increase in the number of local Nb-C bonds with rise in carbon concentration. The concentration of collective electrons varies only slightly, being 2.7–3.6 × 1022 cm-3. It is concluded that there is a reduction in the weight of d-states in the wave functions of the collective electrons as compared with pure niobium and that the value is 0.5–0.66.

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Literature Cited

  1. M. A. Blokhin, The Physics of X-Rays [in Russian], Fizmatgiz, Moscow and Leningrad (1959).

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  2. Ya. E. Genkin, Transactions of Municipal Conference on Problems in General and Applied Physics [in Russian], Nauka, Alma-Ata (1966).

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  3. M. I. Korsunskii and Ya. E. Genkin, Dokl. Akad. Nauk SSSR, 142:1276 (1962).

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  4. M. I. Korsunskii and Ya. E. Genkin, Izv. Akad. Nauk Kaz.SSR, Ser. Fiz.-Mat., No. 2 (1967).

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  5. M. I. Korsunskii and Ya. E. Genkin, Izv. Akad. Nauk SSSR, Ser. Fiz., 28:832 (1964).

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  6. G. V. Samsonov, Refractory Compounds [in Russian], Metallurgizdat, Moscow (1963).

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Authors
  1. M. I. Korsunskii
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  2. Ya. E. Genkin
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  3. V. G. Lifshits
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Editor information

Editors and Affiliations

  1. Institute of Problems in Materials Science, Academy of Sciences of the Ukrainian SSR, Kiev, USSR

    Grigorii V. Samsonov

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© 1974 Consultants Bureau, New York

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Korsunskii, M.I., Genkin, Y.E., Lifshits, V.G. (1974). An X-Ray Spectral Study of Some Compounds of Niobium and Carbon. In: Samsonov, G.V. (eds) Refractory Carbides. Studies in Soviet Science. Springer, New York, NY. https://doi.org/10.1007/978-1-4684-8598-1_19

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  • DOI: https://doi.org/10.1007/978-1-4684-8598-1_19

  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4684-8600-1

  • Online ISBN: 978-1-4684-8598-1

  • eBook Packages: Springer Book Archive

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