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Gallium Nitride: Overview
This is an inorganic material with the chemical formula GaN. It’s a combination of gallium and nitrogen. Since 1990 it is commonly used in the manufacture of light-emitting devices. The compound’s structure is similar to that of wurtzite and has high hardness. Gallium Nitride has an energy gap of about 3.4 electron-volts. This can be useful in high-speed, high-power optoelectronic devices. Gallium nitride is used, for instance, in violet lasers and non-linear solid-state semiconductor lasers. The conditions allow for the production of a laser that emits a violet light (405nm).
Gallium Nitride: Properties and Stability
1. Avoid contact with heat and moisture.
2. GaN starts to decompose at 1050degC: 2GaN(s)=2Ga(g)+N2(g). GaN crystals are hexagonal and belong to a wurtzite-type lattice system, according to X ray diffraction.
3. It is known that GaN remains stable even at high temperatures. The vapor pressure of GaN at 1130 degrees is lower than what can be calculated using enthalpy, entropy and temperature. This is due the polymer molecule (GaN).
4. Cold or hot water, diluted or concentrated hydrochloric or sulfuric acids, or cold 40% of HF, will not dissolve GaN. It is stable with cold concentrated alkali. However, it can dissolve when heated.
Gallium nitride material introduction
GaN is the frontier and focus of global semiconductor technology. It is a semiconductor material used for microelectronics and optoelectronics. Along with semiconductor materials, such as SIC or diamond, it’s known as the next generation of Ge and Si. Semiconductor material, second-generation GaAs and InP compound semiconductors materials. It has a wide bandgap with strong atomic ties, high thermal conduction, good chemical resistance (rarely corroded by acid) and a strong anti-radiation capability. It’s used in high-temperature and high-power devices, as well as in optoelectronics.
What is the gallium nitride charge?
Gallium nitride can be described as the core material for third-generation semiconductors. Comparing gallium nitride with silicon, it has a larger bandgap. The wider bandgap means that gallium is nitride has higher conductivity and can withstand greater voltages. With the same volume of both materials, gallium is far more efficient than silicone.
Gallium nitride can be found in more power management devices. Using gallium nitride in a charger allows for faster charging, and a smaller size.
Users will benefit from faster charging but not more volume. Due to the GaN material’s characteristics, the charger can be made smaller and lighter, and it will also have a significant increase in the heat generated and the efficiency of conversion. Many products like CPUs, charger heads, etc. will have a significant decrease in heating efficiency.
What is the price of gallium-nitride charger?
They are also very easy to use. These chargers are small and have a higher efficiency. They can be used to meet many of the demands of modern life, but are expensive.
According to current market prices, a 120w GaN notebook charger will cost around 300 Yuan. That is two or three times more than the standard 120w charger. Comparing the price of a 120W GaN with a 65W GaN charger the difference is approximately three times. A 120w charger will buy a normal 120w computer power supply plus a GaN 65w charger.
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