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|Type:||Artigo de Periódico|
|Title:||Work Function Measurements Using A Field Emission Retarding Potential Technique|
PJ; den Engelsen
|Abstract:||Herein we describe the measurement of the work function of a metal with advanced equipment based on the field emission retarding potential (FERP) method using a carbon nanotube (CNT) as cathode. The accuracy of the FERP method using a CNT emitter is described and a comparison between measurements of the work functions of aluminum, barium, calcium, gold, and platinum with published data will be presented. Our FERP equipment could be optimized with the aid of particle tracing simulations. These simulations led us to insert a magnetic collimator to improve the collection efficiency at the anode. (C) 2016 AIP Publishing LLC.|
|Editor:||AMER INST PHYSICS|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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