What is gallium nitride?Gallium nitride is a type of binary III/V straight band void semiconductor, which is really ideal for high power transistors which can operate at high temperature. Given that the 1990s, it has actually been commonly made use o…
US President recently decided to invoke a Cold War-era defense law to encourage domestic AlN powder. The selection of substrate material plays an important role in the epitaxial quality of UV LED. Considering the similar crystal structure…
It is reported that the Russian New Crown Virus Epidemic Prevention and Control Headquarters released a message on the 25th that based on the principle of reciprocity, Russia will resume international flights with Germany, Venezuela, Syria, Tajikista…
It is reported that in recent days, Germany has successively approved the launch of a number of new crown self-test products. The German Federal Ministry of Health hopes to curb the new crown epidemic through a large number of free rapid screenings a…
It is reported that Shibata Hideri, president of Japanese semiconductor giant Renesas Electronics, said on the 21st that a fire broke out in an important factory of the company, which may have a very large impact on the supply chain. The company will…
It is reported that affected by heavy rainfall, the New South Wales region where the Australian city of Sydney is located suffered the worst flooding in 60 years, and the government is still conducting emergency evacuation operations. According to re…
It is reported that on the 17th local time, the Japan National Tourism Administration released estimated data that in February 2021, the number of foreign tourists visiting Japan was 7,400, which was a 99.3% decrease from the same month in 2020, and…
It is reported that the Philippine New Crown Task Force issued a statement saying that the Philippines will close the border for another month to deal with the new wave of epidemics and the surge in cases of variant new coronavirus infections. Under…
It is reported that Prime Minister Yoshihide Suga stated on the 16th that as a support measure for low-income parenting families whose livelihoods have been affected by the epidemic, the government will provide a temporary relief fund of up to 50,000…
According to a report from the Great Australia, after the Australian state of Western Australia relaxed its border restrictions on Victoria, all states within Australia have achieved full interoperability on the 15th. This is the first time since the…
What is sulfide? In inorganic chemistry, sulfide refers to a type of compound formed by a metal or non-metal with strong electropositiveness and sulfur. Most metal sulfides can be regarded as salts of hydrosulfuric acid. Since hydrosulfuric acid is a…