Why is a boron doped diamond xtal blue ?

  • Context: Graduate 
  • Thread starter Thread starter mubashirmansoor
  • Start date Start date
  • Tags Tags
    Diamond
Click For Summary
SUMMARY

The blue color of boron-doped diamond crystals is attributed to the creation of an energy gap of 0.4 eV above the valence band due to the presence of boron at a concentration of 1 ppm. This phenomenon is quantitatively described in the context of semiconductor physics, where boron acts as an acceptor dopant. The discussion references insights from Prof. Donald Sadoway of MIT, highlighting the scientific basis for the coloration in these diamonds.

PREREQUISITES
  • Understanding of semiconductor physics
  • Knowledge of energy band theory
  • Familiarity with doping processes in materials science
  • Basic concepts of optical properties of materials
NEXT STEPS
  • Research the optical properties of boron-doped diamonds
  • Study the effects of doping on semiconductor energy bands
  • Explore quantitative models of color generation in gemstones
  • Investigate the role of acceptor dopants in crystal structures
USEFUL FOR

Materials scientists, gemologists, and researchers in semiconductor physics seeking to understand the optical properties and coloration mechanisms of boron-doped diamonds.

mubashirmansoor
Messages
258
Reaction score
0
Why is a boron doped diamond xtal blue ?

hello :)

Unfortunately I am not able to find the quantitative description of how a concentration of 1ppm Boron doped in a diamond crystal can produce a blue color such as the http://en.wikipedia.org/wiki/Hope_diamond" ?

The doped boron creates an energy gap of 0.4 eV above the valence band.

I will be really thankful for a quantitative description of the process.

Thanks in advance.
 
Last edited by a moderator:
Physics news on Phys.org


mubashirmansoor said:
The doped boron creates an energy gap of 0.4 eV above the valence band.
You have a reference for this?
 
Last edited by a moderator:

Similar threads

High School Why does light transmit through glass/diamond, but not solid
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Band Gap in Insulators: Values & Breakdown Voltage
  • · Replies 5 ·
Replies
5
Views
17K
Graduate Silicon: Lattice spacing <111><100> Thermodynamics and Bloch theorem
  • · Replies 8 ·
Replies
8
Views
9K
Why Does N-Type Doping Result in Higher Hole than Electron Concentration?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Why do blue LEDs have a higher forward voltage than expected?
  • · Replies 5 ·
Replies
5
Views
11K
Undergrad Some questions about Cosmic Microwave Background radiation
  • · Replies 13 ·
Replies
13
Views
7K
Programs Physics Minor - Course Selection for ME
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Can Compression Turn an Insulator into a Metal?
  • · Replies 11 ·
Replies
11
Views
3K
Undergrad A few questions about light, solar panels, and electric currents.
  • · Replies 9 ·
Replies
9
Views
5K
Mathematica This Week's Finds in Mathematical Physics (Week 253)
  • · Replies 20 ·
Replies
20
Views
5K