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    • Isotope Effect and Phonon Softening in Superconducting Borocarbides and Boronitrides 

      Hakioǧlu, T.; Ivanov V.A. (1998)
      The isotope effect in the recently disvovered class o superconductors LuNi2B2C and La3Ni2B2N3 is investigated in the context of electron-squezed phonon interaction renormalizing the Ni-d electron-electron correlations. ...
    • Phonon squeezing in superconducting borocarbides 

      Hakioglu, T.; Ivanov, V. A.; Shumovsky, A. S.; Tanatar, B. (Elsevier BV * North-Holland, 1994)
      The recently discovered superconductor LuNi2B2C is investigated in the context of strong electron-electron correlations modulated by a squeezed phonon mode propagating in the perpendicular direction to the layers with ...