Creating Quantum Dots: Alternatives to MBE & MOCVD?

In summary, there are a few alternative methods for fabricating GaN quantum dots, such as HVPE and CVD, but MBE and MOCVD are the most commonly used techniques.
  • #1
takeshi_ccw
2
0
can someone tell me that is there other method to fabricate the GaN quantum dot without using MBE,MOCVD?
is there a simple way to make a quantum dot?
please reply me as soon as possible...thanks
 
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  • #2
takeshi_ccw said:
can someone tell me that is there other method to fabricate the GaN quantum dot without using MBE,MOCVD?
is there a simple way to make a quantum dot?
please reply me as soon as possible...thanks

See this site:
http://www.tyndall.ie/research/photonics-theory-group/Research/David_Williams/Piezoelectric%20Field%20and%20Coulomb%20Interactions%20in%20Nitride.htm
 
Last edited by a moderator:
  • #3
As far as I'm aware, most GaN QDs are grown by MBE, and very rarely by MOCVD - though, in some cases arrays of nanostructures are grown by CVD. The only other technique I've come across for growing GaN is HVPE, and that's only (or usually) used for grwing substrates and other relatively large structures.
 

1. What are quantum dots?

Quantum dots are nanoscale semiconductor particles that exhibit unique electrical and optical properties due to their small size and confinement of electrons.

2. What are the alternatives to MBE and MOCVD for creating quantum dots?

Some alternative methods for creating quantum dots include colloidal synthesis, electrochemical synthesis, and epitaxial growth on patterned substrates.

3. What are the advantages of using alternative methods for creating quantum dots?

Alternative methods can offer advantages such as lower cost, larger-scale production, and the ability to create a wider range of materials and sizes of quantum dots.

4. What are some challenges associated with using alternative methods for creating quantum dots?

Some challenges include controlling the size and shape of the quantum dots, maintaining their uniformity, and achieving high levels of precision and reproducibility.

5. What are current research efforts focused on in the field of alternative methods for creating quantum dots?

Current research is focused on developing new strategies for controlling the properties and characteristics of quantum dots, as well as investigating their potential applications in fields such as electronics, energy, and medicine.

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