What Does Word Semiconductor Mean and How Does It Work
Semiconductors are believed to be a unique class of chemical elements. In the first time that unique class was discovered in the 1890's but more thoroughly it began to be researched just after the First World War in Europe and in Soviet Union. The first successful experiment was carried out by the Russian scientists in 1923. They proved that semiconductors can be used to accelerate fluctuations. There was no possibility to create some unique devices as semiconductor assembly. First transistor was developed in Bell's laboratory in 1949. This event influenced the fast development of semiconductor devices. Since then many people all over the world become interested in such kind of substance as semiconductors.
Stimulated emission is actually a very interesting characteristic of semiconductors that has been discovered for several tens of years. First laser device was developed with usage of semiconductors. The first variant was based on p - n barriers, the latest ones - on heterojunction.
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