From 5afd3619667cb91914ed04f751e452aced533800 Mon Sep 17 00:00:00 2001 From: "T. van der Sar" <t.vandersar@tudelft.nl> Date: Sun, 12 Apr 2020 18:07:04 +0000 Subject: [PATCH] Update 14_doping_and_devices.md - typo --- src/14_doping_and_devices.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/14_doping_and_devices.md b/src/14_doping_and_devices.md index b188da3b..55d241cb 100644 --- a/src/14_doping_and_devices.md +++ b/src/14_doping_and_devices.md @@ -88,7 +88,7 @@ draw_classic_axes(ax, xlabeloffset=.2) All donor/acceptor states at the same energy: $$g_A(E) = N_A \delta(E-E_A),\quad g_D(E) = N_D \delta(E- E_D)$$ -How large can $N_D/N_A$ be? The distance between donors should be such that the states don't overlap, so the distance must be much larger than 4 nm. Therefore **maximal** concentration of donors before donor band merges with conduction band is $N_D \lesssim (1Ã…/4\textrm{nm})^3 \sim 10^{-5}\ll N_C$. +How large can $N_D/N_A$ be? The distance between donors should be such that the states don't overlap, so the distance must be much larger than 4 nm. Therefore **maximal** concentration of donors before donor band merges with conduction band is $N_D \lesssim (1/4\textrm{nm})^3 \sim 10^{-5}\ll N_C$. ## Number of carriers -- GitLab