Doping is an exciting process that changes how semiconductors work! 🌟

1. Better Conductivity: Doping adds tiny amounts of other materials to semiconductors. For n-type semiconductors, materials like phosphorus give extra free electrons. This helps them conduct electricity much better!

2. Changes in Resistivity: As we add more charge carriers, the resistivity (how much a material resists electricity) goes down. This means that conductivity (how well it conducts electricity) goes up. It's all connected: the formula is resistivity ($\rho$) = 1 divided by conductivity ($\sigma$).

3. P-type vs N-type: P-type semiconductors work a bit differently. They accept electrons, creating what are called 'holes.' These holes help in the flow of electricity too. This teamwork is really important for the gadgets we use today!

4. Effect of Temperature: The type of dopants used changes how conductivity behaves with temperature. Semiconductors that are more doped don't react as much to temperature changes. This is great for keeping devices stable and reliable!

Isn't it cool how a small change can lead to amazing technology? 🌈