Graphene and silicon in the electronics of the future will replace germanin




Graphene and silicon in the electronics of the future will replace germanin


It consists of layers with thickness of one atom and can revolutionize the electronics. Many people probably think of graphene , but it is not. Scientists at Ohio State University instead of graphene carbon atoms created from layers of germanium, which for more than 60 years ago, used to create the world’s first transistor, a new material called germanin. It has several advantages over silicon, and can replace the latter in the semiconductor industry.

“Most people think that it is an electronic graphene material of the future” – said Professor Joshua Goldberger of the University of Ohio. – “At the same time, the silicon and germanium are materials present. More than 60 years in search of methods to create a germanium chips – it’s price to pay. This is the time taken to find the unique compounds of silicon and germanium with superior properties to take advantage of the created materials with minimal cost with existing technologies. ”

Germanina worked on the creation of many scientists over the past several decades, but the specific approach Goldberger and his team enabled them to first learn how to get the material in the quantities needed for a detailed analysis of the properties and the start of mass production.

In nature, germanium is formed in a multi-layered crystals. Multiple layers of thick germanium atom interconnected and very unstable. Scientists at Ohio State University have created their own germanium crystals with calcium atoms between layers. Later, calcium has been dissolved by water, and the released chemical bonds filled with hydrogen. Thus it was possible to split the layers and select germanin.

According to researchers, electron conductivity crystals germanina 10 times higher than silicon and 5 times higher compared to conventional germanium. Moreover, germanin is stable when exposed to air and water, but not so on silicon. It also absorbs and emits light, which makes it a suitable material for the production of solar cells .

Currently, Goldberger and his team are trying to improve the properties of germanina by changing the electronic configuration in a single layer.
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Tags: GERMANY , Graphene , Silicon , Ohio State University .


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