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Isotope effect in the hydrogen distribution in the solid solution TiN0.40H0.19D0.19

Russian journal of inorganic chemistry, 2008-04, Vol.53 (4), p.509-514 [Peer Reviewed Journal]

MAIK Nauka 2008 ;ISSN: 0036-0236 ;EISSN: 1531-8613 ;DOI: 10.1134/S0036023608040049

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  • Title:
    Isotope effect in the hydrogen distribution in the solid solution TiN0.40H0.19D0.19
  • Author: Khidirov, I. ; Mukhtarova, N. N. ; Padurets, L. N. ; Shilov, A. L. ; Zaginaichenko, S. Yu ; Shchur, D. V. ; Pishchuk, V. K.
  • Subjects: Chemistry ; Chemistry and Materials Science ; Inorganic Chemistry ; Synthesis and Properties of Inorganic Compounds
  • Is Part Of: Russian journal of inorganic chemistry, 2008-04, Vol.53 (4), p.509-514
  • Description: The structure of a solid solution with a combined isotope composition based on TiN 0.40 H 0.19 D 0.19 (space group ) has been studied by neutron diffraction. The isotope effect in the distribution of H and D isotopes has been found: the isotopes are located in tetrahedral interstices of the same type but with different z coordinates; there is splitting of 2 d tetrahedral interstices into two groups, the protium (H) and deuterium (D). Therefore, in the ordered “layered” structure of the TiN 0.40 H 0.19 D 0.19 solid solution, two different isotopes of the same element cannot be located at the same plane perpendicular to the threefold axis. The crystal-chemical analysis of the surroundings of H and D has been performed, and considerable differences have been revealed between the coordination polyhedra surrounding different hydrogen isotopes. It has been found that, in some metal-hydrogen systems, protium and deuterium should be treated as independent chemical components.
  • Publisher: Dordrecht: SP MAIK Nauka/Interperiodica
  • Language: English
  • Identifier: ISSN: 0036-0236
    EISSN: 1531-8613
    DOI: 10.1134/S0036023608040049
  • Source: Alma/SFX Local Collection
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