Изотопный эффект H/D в проводимости CaZr-=SUB=-1-x-=/SUB=-Sc-=SUB=-x-=/SUB=-O-=SUB=-3-alpha-=/SUB=- в восстановительных атмосферах | Zendy

В.П. Горелов | Zendy; В.Б. Балакирева | Zendy; А.В. Кузьмин | Zendy

Open Access

Изотопный эффект H/D в проводимости CaZr-=SUB=-1-x-=/SUB=-Sc-=SUB=-x-=/SUB=-O-=SUB=-3-alpha-=/SUB=- в восстановительных атмосферах

Author(s) -

В.П. Горелов,

В.Б. Балакирева,

А.В. Кузьмин

Publication year - 2018

Publication title -

физика твердого тела

Language(s) - English

Resource type - Journals

eISSN - 1726-7498

pISSN - 0367-3294

DOI - 10.21883/ftt.2018.12.47345.157

Subject(s) - deuterium , kinetic isotope effect , analytical chemistry (journal) , proton , conductivity , solubility , isotope , chemistry , materials science , crystallography , physics , atomic physics , nuclear physics , chromatography

The ionic (proton and deuteron) conductivity of the system CaZr_1 – _ x Sc_ x O_3 – α ( x = 0.03–0.20) is studied experimentally in H_2 + H_2O + N_2 and D_2 + D_2O + N_2 reducing atmospheres at p H_2O = p D_2O = 3.2 kPa and in the temperature range of 600–900°C. This system exhibits a considerable H/D isotopic effect in conductivity, and its magnitude is estimated. Using theoretical elaborations, we also estimate the magnitude of the thermodynamic isotope effect in the solubility of H_2O/D_2O in the considered system under reducing conditions.

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