Borja Abascal

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Questions related from Borja Abascal

When operating with microscope (JEOL JEM 1230), its recomendable to increase filament current slowly, but why you must wait more at a certain point?

When preparing the microscope (TEM) we are used to increase filament current slowly (step of 0.2%) but at a certain value (52% aprox) the current density increases faster and we must wait at least...

19 May 2021 7,648 0 View

Meassuring scattered light doesn´t give us the good resolution we can reach measuring scattered electrons. Why is so?

I know wavelength is the key, but there are different equipments that use visible light (LEDs) to quantify nanoparticles. They can measure up to 50 nm particles. Taking into account visible light...

23 March 2021 6,705 7 View