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{{wikipedia}} | {{wikipedia}}Molecular Beam Epitaxy (MBE) is a material production process used to produce high-purity nano-scale materials. A material is grown through interactions between a substrate and one or more beams of atoms or molecules incident upon the substrate's surface. MBE exhibits many advantages over similar thin film deposition processes: significantly improved purity, arbitrarily sharp deposition resolution, and operation at low temperatures. | ||
{{ | {{MECH370}} | ||
== Introduction == | |||
* Image of atomic deposition | |||
== System Description == | |||
* Insert Image of MBE layout. | |||
* discussion of non-equilibrium state | |||
===Substrate Stage=== | |||
* heating, purpose, rotation, function | |||
===Effusion Cells=== | |||
* Thermodynamics (surface interactions, necessity for UHV) | |||
====Shuttering==== | |||
* How it works and why it is so useful! | |||
== Sample Interaction == | |||
* Discussion of a sample material produced via MBE and what happens? (may be too inorganic chemistry-oriented) | |||
== Efficiency Considerations == | |||
* degass cleaning? time...? | |||
* effect of chemistry-related changes on outcome (Al on GaAs thing, N stuff, etc.) | |||
* Temperature considerations | |||
== Applications == | |||
=== Semiconductors === | |||
* Sharp doping profiles | |||
==== Heterojunctions ==== | |||
* Applications in photovoltaic cells | |||
==== Optoelectronics ==== | |||
* Lasers! LEDs! Digital Cameras! DVDs! (Check out HD stuff (BluRay, etc.)) | |||
=== Superconductors === | |||
[[Category:Materials processing]] | [[Category:Materials processing]] | ||
[[Category:Nanotechnology]] | [[Category:Nanotechnology]] | ||
Revision as of 06:45, 12 November 2008
Template:WikipediaMolecular Beam Epitaxy (MBE) is a material production process used to produce high-purity nano-scale materials. A material is grown through interactions between a substrate and one or more beams of atoms or molecules incident upon the substrate's surface. MBE exhibits many advantages over similar thin film deposition processes: significantly improved purity, arbitrarily sharp deposition resolution, and operation at low temperatures. Template:MECH370
Introduction
- Image of atomic deposition
System Description
- Insert Image of MBE layout.
- discussion of non-equilibrium state
Substrate Stage
- heating, purpose, rotation, function
Effusion Cells
- Thermodynamics (surface interactions, necessity for UHV)
Shuttering
- How it works and why it is so useful!
Sample Interaction
- Discussion of a sample material produced via MBE and what happens? (may be too inorganic chemistry-oriented)
Efficiency Considerations
- degass cleaning? time...?
- effect of chemistry-related changes on outcome (Al on GaAs thing, N stuff, etc.)
- Temperature considerations
Applications
Semiconductors
- Sharp doping profiles
Heterojunctions
- Applications in photovoltaic cells
Optoelectronics
- Lasers! LEDs! Digital Cameras! DVDs! (Check out HD stuff (BluRay, etc.))