Troubleshooting Semiconductor Problems: Calculating Ef - Ev at T=300K

In summary, a semiconductor is a material with conductivity between an insulator and a conductor. Common problems with semiconductors include defects, contamination, and issues with electrical contacts. These can be diagnosed using specialized equipment and fixed by repairing or replacing components, using chemical treatments, or adjusting the manufacturing process. While not always preventable, steps can be taken to reduce the likelihood of semiconductor problems.
  • #1
kizersi5
6
0
Question:

Silicon at T=300k contains acceptor impurity atoms at a density of Na=7*10^15 cm^-3. Determine Ef - Ev.

My solution:

By using the formula Ef -Ev= KT ln(Nv/Na) fermi energy type I had trouble computing this formula due to not having the value of Nv. So, I would appreciate if anyone who has the know how to help me obtain Nv?
 
Physics news on Phys.org
  • #3
Thanx so much.
 

Related to Troubleshooting Semiconductor Problems: Calculating Ef - Ev at T=300K

1. What is a semiconductor?

A semiconductor is a material that has electrical conductivity between that of an insulator and a conductor. This means that it can conduct electricity, but not as well as a metal. Common examples of semiconductors include silicon, germanium, and gallium arsenide.

2. What are some common problems with semiconductors?

Some common problems with semiconductors include defects in the crystal structure, contamination during manufacturing, and issues with the electrical contacts. These problems can lead to reduced performance or failure of the device.

3. How are semiconductor problems diagnosed?

Semiconductor problems are typically diagnosed by using specialized equipment such as electronic testers or microscope techniques. These tools can identify defects or irregularities in the material or device that may be causing issues.

4. What can be done to fix semiconductor problems?

Depending on the specific problem, there are a few different solutions for fixing semiconductor problems. This can include repairing or replacing the damaged component, using chemical treatments to remove contaminants, or adjusting the manufacturing process to prevent future issues.

5. Can semiconductor problems be prevented?

While it is not always possible to prevent semiconductor problems completely, there are steps that can be taken to reduce the likelihood of issues. This includes carefully controlling the manufacturing process, maintaining clean environments during production, and regularly testing and inspecting the devices.

Similar threads

How Do You Calculate the Built-In Potential of a PN Junction at Zero Bias?
    • Advanced Physics Homework Help
Replies
1
Views
2K
Density of carriers in a Conduction band
    • Introductory Physics Homework Help
Replies
1
Views
2K
Calc Electron/Hole Concentrations & Ef-Efi for Si Doping in GaAs
    • Advanced Physics Homework Help
Replies
7
Views
1K
Calculating Donor Concentration in Si at 300K | Semiconductor Homework Q1 & Q2
    • Engineering and Comp Sci Homework Help
Replies
1
Views
2K
Solid State Physics- Finding concentration of donor atoms (Nd)
    • Advanced Physics Homework Help
Replies
1
Views
2K
Determining N-Type and P-Type Semiconductor Characteristics
    • Electrical Engineering
Replies
2
Views
2K
Questions about semiconductors
    • Atomic and Condensed Matter
Replies
1
Views
8K
Calculate Minority Carrier Concentrations given the Fermi Level
    • Advanced Physics Homework Help
Replies
1
Views
3K
How to calculate the carrier concentration
    • Advanced Physics Homework Help
Replies
4
Views
36K
Measuring minority carrier density and mobility
    • Advanced Physics Homework Help
Replies
1
Views
2K

Hot Threads

Recent Insights

Back
Top