1969
DOI: 10.1016/0022-3697(69)90011-0
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Interpretation of the resistivity temperature dependence of high purity (ZrO2)0.90(Y2O3)0.10

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Cited by 106 publications
(28 citation statements)
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“…A value of 0.45 eV results for E m , which is in very good agreement with the value of 0.49 eV reported 21 for the association energy of oxygen vacancies. This strongly suggests that the microscopic activation may be triggered by oxygen vacancy association, and that the lattice ͑as opposed to ion-ion interaction͒ may be playing a significant role in establishing correlations for ion motion.…”
Section: ͑1͒supporting
confidence: 90%
“…A value of 0.45 eV results for E m , which is in very good agreement with the value of 0.49 eV reported 21 for the association energy of oxygen vacancies. This strongly suggests that the microscopic activation may be triggered by oxygen vacancy association, and that the lattice ͑as opposed to ion-ion interaction͒ may be playing a significant role in establishing correlations for ion motion.…”
Section: ͑1͒supporting
confidence: 90%
“…The ionic conductivity obtained in this way was thermally activated with 1.16 eV and in good agreement with the values reported by other authors. 2,11 While the modulus representation is preferred to obtain the time decay function ⌽(t), the frequency dependence of the conductivity is usually employed to analyze the relaxation process in the frequency domain. Some authors use expression ͑1͒ to fit their data of the real part of the conductivity.…”
Section: Resultsmentioning
confidence: 99%
“…Para a zircônia estabilizada com ítria a região de baixa frequência é a contribuição para a resistividade elétrica referente ao comportamento intergranular (resposta do contorno de grão), enquanto que a região de alta frequência é a contribuição para a resistividade elétrica referente ao comportamento intragranular (resposta do grão). 6,9,10 Como esperado, a menor temperatura de caracterização tem a maior resistividade elétrica. Com o aumento da temperatura, o gráfico do plano de impedância (diagrama de Nyquist) tem seus valores reduzidos, devido ao aumento da condutividade iônica.…”
Section: Resultsunclassified
“…A resistência total do eletrólito resulta no intercepto do eixo real à baixa frequência. 6,10 A Figura 5 mostra o módulo da impedância em função da frequência, entre as temperaturas de 500 e 700 °C. A frequência aumenta da direita para a esquerda entre 10 -2 e 10 7 Hz.…”
Section: Resultsunclassified
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