Where is Aluminum Nitride Used?
The World Bank expects global economic growth to slow significantly, from 5.5% in 2021 to 4.1% in 2022 and further to 3.2% in 2023. Growth in East Asia and the Pacific is expected to slow to 5.1 percent in 2022, reflecting the impact of China's economic slowdown, the report said. China's economic growth is expected to fall to 5.1% in 2022, close to potential growth, due to the ongoing impact of the COVID-19 pandemic and the Chinese government's tightening of regulations in certain sectors of the economy. The report said that the rapid spread of the Omicron variant means that the new crown epidemic is likely to continue to disrupt economic activity in the near future. In addition, decelerating growth in major economies, including the United States and China, will depress external demand in emerging markets and developing economies.
Slow economic growth has a huge impact on Aluminum Nitride,AlN.
What is Aluminum Nitride
Aluminum nitride, covalent bond compound, chemical formula is AIN, is an
atomic crystal, belongs to diamond-like nitride, hexagonal system, wurtzite
crystal structure, non-toxic, white or off-white.
AlN is stable up to 2200°C. The strength at room temperature is high, and the
strength decreases slowly with the increase of temperature. Good thermal
conductivity, small thermal expansion coefficient, is a good thermal shock
material. It has strong corrosion resistance to molten metal, and is an ideal
crucible material for casting pure iron, aluminum or aluminum alloy. Aluminum
nitride is also an electrical insulator with good dielectric properties and is
also promising as an electrical component. The aluminum nitride coating on the
gallium arsenide surface protects it from ion implantation during annealing.
Aluminum nitride is also a catalyst for the conversion of hexagonal boron
nitride to cubic boron nitride.
Where is Aluminium nitride used?
Due to the properties of the piezoelectric effect of aluminum nitride,
epitaxial stretching of aluminum nitride crystals is also used for surface
acoustic wave detectors. The detectors are placed on silicon wafers. There are
very few places where these thin films can be produced reliably.
Aluminum nitride ceramics have the characteristics of high room temperature
and high temperature strength, small expansion coefficient and good thermal
conductivity, and can be used as heat exchanger materials for high temperature
Using aluminum nitride ceramics to resist the corrosion properties of iron,
aluminum and other metals and alloys, it can be used as crucible and casting
mold materials for smelting Al, Cu, Ag, Pb and other metals.
AlN is mainly used in the microelectronics industry as an electrically
insulating but thermally conductive barrier in silicon-based electronic devices.
Given its deep ultraviolet bandgap, there is interest in high-quality AlN
structures that can be used as light-emitting diodes (LEDs) or lasers to
generate ultraviolet light.
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Germany has begun talks with Senegal on gas extraction and LNG supplies. Mr. Scholz recently visited a solar farm in Dakar. He told a news conference that he was willing to work more closely with Senegal on renewable energy. Senegal's president told a news conference that his country was ready to supply liquefied natural gas to the European market.
The global economy may be facing its greatest test since World War II amid the ongoing threats of COVID-19, the Conflict between Russia and Ukraine, heightened financial market volatility, and climate change, IMF Managing Director Kristina Georgieva warned in an article posted on the IMF's website.
Some 30 countries have imposed restrictions on trade in food, energy, and other key commodities since the outbreak of the Conflict, the article noted. That would raise trade barriers, disrupt global supply chains, drag down economic growth and undo years of economic gains. If countries let it go, the costs will be enormous and everyone will be affected.
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