make tex friendlyer

02_carrier_transport.tex

@@ -2,7 +2,8 @@
 \subsection{Fermi distribution}
 \label{label:sec:fermi}
 Fermions are weird particles, see QM II.
-Not sure if needed for this course, but heres the probability distribution:
+Not sure if needed for this course,
+but heres the probability distribution:
 \begin{equation}
     f(E) = \frac{1}{1+e^{(E-E_F)/kT}}
 \end{equation}
@@ -77,14 +78,17 @@ Which gives us different resistances for n and p type semiconductors.
 
 
 \subsection{Diffusion current}
-If there is a concentration gradient, the carriers will diffuse to equalize the concentration. Here flux $F \ [cm^{-2}s^{-1}]$ is the number of electrons/holes per unit area per unit time.
+If there is a concentration gradient,
+the carriers will diffuse to equalize the concentration.
+Here flux $F \ [cm^{-2}s^{-1}]$ is the number of electrons/holes per unit area per unit time.
 \begin{align}
     F_n & = -D_n\frac{\mathrm{d} n}{\mathrm{d} x} \\
     F_p & = -D_p\frac{\mathrm{d} p}{\mathrm{d} x}
 \end{align}
 
 Which gives us the diffusion current density:
-(Defined as density times charge, ergo the double negative for electron diffusion.)
+(Defined as density times charge,
+ergo the double negative for electron diffusion.)
 \begin{align}
     J_n^{diff} & = qD_n\frac{\mathrm{d} n}{\mathrm{d} x}  \\
     J_p^{diff} & =- qD_p\frac{\mathrm{d} p}{\mathrm{d} x}