The donors are only lightly ionized
Show that in the low-temperature region the electron density in an n-type material varies as Ne = Nc^(1/2)*Nd^(1/2)*e^(-(Eg-Ed)/2kT) Assume Ne=Nd+ and that the donors are only lightly ionized in that temperature range therefore Ef>Ed.
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Show that in the low-temperature region the electron density in an n-type material varies as Ne = Nc^(1/2)*Nd^(1/2)*e^(-(Eg-Ed)/2kT)Assume Ne=Nd+ and that the donors are only lightly ionized in that temperature range therefore Ef>Ed.
The electron in the n = 5 level of a hydrogen atom emits a photon with a wavelength of 1280 nm. To what energy level does the electron move?
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What is the percent yield of a reaction in which 244 g phosphorus trichloride reacts with excess water to form 144 g HCl and aqueous phosphorus acid (H3PO3)?
What volume of pure oxygen gas (O2) measured at 546 K and 1.00 atm is formed by complete dissociation of 0.7 mol of Ag2O?
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