Question 1: The electrical conductivity of sapphire along a particular axis is 1.25 (2m)1 at 1500°C. At the same temperature, the oxygen tracer diffusion coefficient was 0.4 nm?s. From this data, do you believe that oxygen ion movement is the dominant charge transport mechanism. =9.11 10-31 kg =1.381 10-23 J/K =6.626 10-34 Js =1.602 10-19 C =1.602 10-19 J mo NA =6.022 1023 atom/mole kB h e 1ev

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Question 1: The electrical conductivity of sapphire along a particular axis is 1.25 (2m)1 at 1500°C.
At the same temperature, the oxygen tracer diffusion coefficient was 0.4 nm's1. From this data,
do you believe that oxygen ion movement is the dominant charge transport mechanism.
=6.022 1023 atom/mole
=9.11 10:31 kg
=1.381 10-23 J/K
=6.626 10-34 Js
mo
NA
kB
h
e
=1.602 10-19 C
1eV
=1.602 10-19 J
Transcribed Image Text:Question 1: The electrical conductivity of sapphire along a particular axis is 1.25 (2m)1 at 1500°C. At the same temperature, the oxygen tracer diffusion coefficient was 0.4 nm's1. From this data, do you believe that oxygen ion movement is the dominant charge transport mechanism. =6.022 1023 atom/mole =9.11 10:31 kg =1.381 10-23 J/K =6.626 10-34 Js mo NA kB h e =1.602 10-19 C 1eV =1.602 10-19 J
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