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The substrate for the samples of mica
Mica is a natural material, widely used in atomic force microscopy as a substrate. When chipping on the surface of mica are formed by atomically smooth plots of thousands of square micrometers, which makes the process of preparation and observation of samples is simple and convenient. Mica is used with any uncharged or positively charged samples and allows for simple further processing to work with negatively charged drugs, for example, DNA. In addition, it is the ideal basis for the preparation of substrates from sputtered metal, for example gold.