Field emission from cadmium sulphide |
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| Authors: | Husain SA Walsh D |
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| Affiliation: | Oxford University, Engineering Laboratory, Oxford, UK; |
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| Abstract: | A technique for etching fine field emitters of CdS single crystals has been developed. Relatively high field-emission currents at low voltages are obtained (typically 10?6 A at 2kV). The results, when plotted, agree with the Fowler?Nordheim equation, with deviations at currents above 10?7 A and below 10?9 A. Possible explanations of the deviations are discussed. |
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