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Moreover, the field accelerates and collimates the signal electrons to earthed detectors above and below the sample, thereby assuring high collection efficiency and high amplification of the image signal.Next Article in Journal An Ultrasensitive Electrochemical Immunosensor for Alpha-Fetoprotein Using an Envision Complex-Antibody Copolymer as a Sensitive Label.Previous Article in Journal Horizontal Bilayer for Electrical and Optical Recordings.
![]() ![]() International Journal of Environmental Research and Public Health (IJERPH). International Journal of Turbomachinery, Propulsion and Power (IJTPP). Journal of Open Innovation: Technology, Market, and Complexity (JOItmC). Journal of Otorhinolaryngology, Hearing and Balance Medicine (OHBM). Journal of Theoretical and Applied Electronic Commerce Research (JTAER). Find support for a specific problem in the support section of our website. Please let us know what you think of our products and services. Visit our dedicated information section to learn more about MDPI. Scanning Electron Microscopy with Samples in an Electric Field. Received: 15 August 2012 Revised: 16 November 2012 Accepted: 29 November 2012 Published: 11 December 2012. The gun brightness was 10 8 Acm 2 sr 1, the beam current was 10 pA, and the anode bore 1 mm in diameter. Layout moves with the sample position slightly varied between frames: ( a ), ( b ), ( c ), and ( d ) show different positions of the pattern group with respect to the optical axis indicated with the cross. The high negative bias of a sample in a scanning electron microscope constitutes the cathode lens with a strong electric field just above the sample surface. This mode offers a convenient tool for controlling the landing energy of electrons down to units or even fractions of electronvolts with only slight readjustments of the column.
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