Commit baba3053 authored by Isidora Araya's avatar Isidora Araya
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Update 14_doping_and_devices_solutions.md

parent b3f610f7
......@@ -92,7 +92,7 @@ $$ I_s(T) \propto e^{-E_{gap}/k_BT}$$
### Subquestion 1
![](figures/diagram_14.png)
* Include the energy bands here. You can find them at the book's section 18.2
### Subquestion 2
This a "particle in a box" problem.
......@@ -114,6 +114,8 @@ $$g_h = \frac{4 \pi m_h^{\ast}}{\hbar^2}$$
L can be found here for $k_x$ and $k_y$ using previous subquestions.
Setting $$ E_e - E_h - E_c + E_v = 1 eV = \frac{\hbar^2 (k_x^2+k_y^2)}{2}
(\frac{1}{m_e^{\ast}}+\frac{1}{m_h^{\ast}})$$
Taking $k_x^2+k_y^2=(\frac{\pi}{L})^2$, L can be found as $6.85$ nm approx.
### Subquestion 6
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