Chemistry, asked by AbbyFranklin3828, 1 year ago

Why do non metallic samples need to be coated before sem?

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Answered by Anonymous

0

➡Coating of samples is required in the field of electron microscopy to enable or improve the imaging of samples.

➡making a conductive layer of metal on the sample inhibits charging, reduces thermal damage and improves the secondary electron signal required for topographic examination in the SEM

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