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Low work function diamond surfaces

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In this talk I will describe the efforts underway at Bristol to produce a solar thermionic converter based on lithiated diamond nanopowders. In addition to outstanding mechanical properties, diamond is a very interesting electronic material and we have demonstrated very low threshold field emission and low-temperature thermionic emission for reasons not entirely clear at this point. I will present ab-initio calculations suggesting a lithium surface adsorbate role and describe our experimental efforts to investigate nanodiamond emitters.

This talk is part of the Surfaces, Microstructure and Fracture Group series.

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