Electron and positive ion acceleration with pyroelectric crystals

Jeffrey A. Geuther, Yaron Danon

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

The phenomenon of pyroelectric electron emission has been employed to develop miniature x-ray sources, such as the Cool-X by Amptek (www.amptek.com/coolx.html). The source strength of a pyroelectric x-ray generator is dependent on the emitted electron energy and current. Similarly, the source strength of a pyroelectric neutron generator will be dependent on the energy and production rate of deuterium ions in the fill gas. This paper summarizes our results in experiments directed toward creating high-energy electrons and positive ions with a pyroelectric source. Single-crystal sources are shown to produce positive ions with energies of up to 98 keV and electron energies of up to 143 keV. X-ray spectra are presented as proof that a paired-crystal source can increase electron energy to at least 215 keV. In addition, we offer independent verification of the "bunched" electron emission effect observed by [Brownridge, Appl. Phys. Lett. 78, 1158 (2001)].

Original languageEnglish (US)
Article number074109
JournalJournal of Applied Physics
Volume97
Issue number7
DOIs
StatePublished - Apr 1 2005

Fingerprint

positive ions
crystals
electron energy
ions
electrons
electron emission
generators
x ray sources
high energy electrons
energy
deuterium
x rays
neutrons
single crystals
gases

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

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title = "Electron and positive ion acceleration with pyroelectric crystals",
abstract = "The phenomenon of pyroelectric electron emission has been employed to develop miniature x-ray sources, such as the Cool-X by Amptek (www.amptek.com/coolx.html). The source strength of a pyroelectric x-ray generator is dependent on the emitted electron energy and current. Similarly, the source strength of a pyroelectric neutron generator will be dependent on the energy and production rate of deuterium ions in the fill gas. This paper summarizes our results in experiments directed toward creating high-energy electrons and positive ions with a pyroelectric source. Single-crystal sources are shown to produce positive ions with energies of up to 98 keV and electron energies of up to 143 keV. X-ray spectra are presented as proof that a paired-crystal source can increase electron energy to at least 215 keV. In addition, we offer independent verification of the {"}bunched{"} electron emission effect observed by [Brownridge, Appl. Phys. Lett. 78, 1158 (2001)].",
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Electron and positive ion acceleration with pyroelectric crystals. / Geuther, Jeffrey A.; Danon, Yaron.

In: Journal of Applied Physics, Vol. 97, No. 7, 074109, 01.04.2005.

Research output: Contribution to journalArticle

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AU - Danon, Yaron

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AB - The phenomenon of pyroelectric electron emission has been employed to develop miniature x-ray sources, such as the Cool-X by Amptek (www.amptek.com/coolx.html). The source strength of a pyroelectric x-ray generator is dependent on the emitted electron energy and current. Similarly, the source strength of a pyroelectric neutron generator will be dependent on the energy and production rate of deuterium ions in the fill gas. This paper summarizes our results in experiments directed toward creating high-energy electrons and positive ions with a pyroelectric source. Single-crystal sources are shown to produce positive ions with energies of up to 98 keV and electron energies of up to 143 keV. X-ray spectra are presented as proof that a paired-crystal source can increase electron energy to at least 215 keV. In addition, we offer independent verification of the "bunched" electron emission effect observed by [Brownridge, Appl. Phys. Lett. 78, 1158 (2001)].

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