Investigation of the influence of the isotopic effect on the metal-insulator phase-transition temperature in vanadium oxides
Wolf E., Oppermann G., Reichelt W., Terukov E.I.
We investigated the influence of the isotopic effect on the metal-insulator phase-transition temperature in vanadium oxides for the purpose of determining the contribution of the phonon subsystem to the mechanism of phase transitions of this type. It is shown that a regular feature of all the investigated vanadium oxides is a shift of the phase-transition temperature towards higher temperatures when the oxygen O16 is replaced by its isotope O18.