Overview on Epitaxy and its Applications

Epitaxy

Derived from the Greek word epi, which means above, and taxis which indicates an ordered manner. The LED Epi wafer is very reliable. This process forms one or several crystalline thin films that can be of the same or different chemical compositions and it has the structure as the substrate. In the technique of crystallography where natural or artificial crystals are grown on a crystalline substrate, Epitaxy is an important technique that is used.

In nanotechnology and semiconductor fabrication the process is used where it is of commercial importance. Epitaxy is the only affordable method for many semiconductor materials where high-quality crystals are growing. It marks little importance for most thin-film applications, for example, hard or soft coatings, or optical coatings whereas in semiconductor thin-film technology it is critical. In this in electronic and photonic devices such as computer video displays and telecommunication applications, the growth of semiconductor materials forms layers and quantum wells. For maximum technological applications, the desire is for the deposited material to form a crystalline film that concerning the substrate crystal structure has one well-defined orientation. You can purchase wafers from LED Epi wafer suppliers.

Applications and Epitaxial Growth of Thin Film Materials 

In electronics, optoelectronic and magneto-optics epitaxial growth of thin-film materials has numerous applications. In several ways, growth can occur where the most common is the vapor phase epitaxy (a modification of chemical vapor deposition), wherefrom vapor the atoms for deposition on the substrate are taken and growth occurs at the gaseous/solid interface. On the substrate, solid-phase epitaxy deposits a thin non-crystalline film which is then heated to form a crystalline layer, while in the liquid phase from a liquid source the layers grown in epitaxy are observed.

In producing device quality layers the latter is by far the cheapest and easiest route, but in terms of using metal-organic chemical vapor deposition (MOCVD) and molecular beam epitaxy (MBE) is growing. MOCVD and MBE are more versatile but the Initial costs are expensive and with atomic-layer control, it can readily produce multilayer structures, which is basic to Nanoengineering. The LED Epi wafer manufacturer is opted by many.