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Specific Process Knowledge/Characterization/SEM: Scanning Electron Microscopy: Difference between revisions

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The [[/Zeiss|Zeiss SEM]] is the newest SEM in the cleanroom. It's a state-of-the-art SEM that will produce excellent images on almost any sample. Operated by the same user interface as the Leo, it is quite straight forward to change between the two instruments.
The [[/Zeiss|Zeiss SEM]] is the newest SEM in the cleanroom. It's a state-of-the-art SEM that will produce excellent images on almost any sample. Operated by the same user interface as the Leo, it is quite straight forward to change between the two instruments.


The [[/FEI|FEI SEM]] was acquired to cope with the growing need for polymer related imaging. It is a versatile microscope with two vacuum modes (High Vacuum and Low Vacuum) and 6 different detectors, offering excellent resolution on any type of sample or material. This great performance, however, requires a skilled operator that knows how to achieve it. Also, we have learned that the high degree of sophistication and the great number of detectors make it much less robust compared to the other SEM's. It is therefore the intention that only users with special needs (for instance thick polymers, glass substrates or EDX/micromanipulator experiments) that will be trained. Furthermore, the instrument is equipped with a Oxford Inca EDX system and a Kleindiek micromanipulator with a Capres 4 point probe.
The [[/FEI|FEI SEM]] is a versatile microscope with two vacuum modes (High Vacuum and Low Vacuum) and 6 different detectors, offering excellent resolution on any type of sample or material including graphene and carbon nanotubes. Somewhat more fragile compared to the robust Leo, it is our intention that only users with special needs (for instance thick polymers, glass substrates or EDX/micromanipulator experiments) that will be trained.  


Outside the cleanroom in the basement of building 347, the [[/Jeol|Jeol SEM]] provides a possibilty of imaging samples that do not go into the cleanroom.
Outside the cleanroom in the basement of building 347, the [[/Jeol|Jeol SEM]] provides a possibilty of imaging samples that do not go into the cleanroom.
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