Figures of merit for ferroelectric electron emission cathodes

D. Shur, G. Rosenman

Research output: Contribution to journalArticlepeer-review

Abstract

Pyroelectrically induced electron emission from different ferroelectric single crystals and ceramics is studied. Ii is observed that (Pb,La)(Zr,Ti)O3 ceramics generate rather low ferroelectric electron emission (FEE) current compaed with single crystals such as triglycine sulphate and lithium niobate. Figures of merit for FEE cathodes in the pyroelectric excitation mode are derived. It is shown that a physical origin and consequently figures of merit are quite different for FEE cathodes and conventional field electron cathodes. @ 1995 American Institute of Physics.

Original languageEnglish
Pages (from-to)3445-3450
Number of pages6
JournalJournal of Applied Physics
Volume80
Issue number6
DOIs
StatePublished - 15 Sep 1996

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