Bai tap_Vat lieu hoc_phan Cau truc_NTS_v1.pdf

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 AN=6.02x1023

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 AN=6.02x1023

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Mw=103 g/mol

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 Assuming that the enthalpy of creation of Schottky defects in NaCl is 2.3 eV and that the ratio of vacancies to occupied sites at 750 C is 10 5, estimate the equilibrium concentration of Schottky defects in NaCl at (a) 300 C and (b) 25 C. ◦

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 AN=6.022x1023; MFe=55.85 g/mol

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