Continuing our top 10 ranges, today, we will introduce you one of the most interesting topics which is called top 10 tallest buildings around the…
The group of physicists and experts could turn a mix of oxides of aluminum and magnesium into absolutely new material. Components typical for cement became glass. They show semiconductor properties, differs the lowered fragility, maintains action of hostile environment and easily gives in to processing.
At the heart of technology of receiving a new material lies the combination of several atypical methods for traditional cement production. The mix of oxides of calcium and aluminum melted the focused laser radiation, suspended in a stream of carbon dioxide and then allowed to cool down without contact with walls. Varying structure of a gas stream, and also a temperature mode, scientists could achieve formation of absolutely new nuclear structure of a material, which as a result was not crystal, but amorphous.
Results of the X-ray diffraction analysis showed that in amorphous structure of a sample there is the microscopic emptiness playing a role of traps for free electrons. Thanks to these electrons all material as a whole starts carrying out an electric current. Properties of glass cement were closer to properties of semiconductors. Scientists carry the material to a class of metal glass and claim that they managed to synthesize for the first time a material, which properties are close to properties of amorphous metals from calcium and aluminum oxides.
Authors of new work consider that their experiments will help to understand how it is possible to turn usual substances into semiconductor.
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