DOI: 10.1063/1.1721491. Field Emission Current-Density Distribution

Field Emission Current-Density Distribution

10.1063/1.1721491

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

A quantitative measurement of the current-density distribution over the surface of monocrystalline tungsten field emitters is obtained by densitometric analysis of calibrated photographic negatives of emission patterns observed with a modified Mueller projection tube. Analysis of distributions thus obtained permits an improved evaluation of average field current density and a confirmation of the surface distribution of electric field previously derived; an earlier comparison of experiment with field emission theory is thus strengthened. Current-density ratios for various crystal faces of the emitter confirm recent values of the work function for those faces. Emission patterns were viewed on an aluminum backed phosphor, the advantages and fabrication of which are discussed. Relative light output from such phosphors is presented for excitation by field currents at various values of the applied potential for both steady state and microsecond operation.

Bibliography

Dyke, W. P., Trolan, J. K., Dolan, W. W., & Grundhauser, F. J. (1954). Field Emission Current-Density Distribution. Journal of Applied Physics, 25(1), 106â112.

Authors 4

W. P. Dyke (first)
J. K. Trolan (additional)
W. W. Dolan (additional)
F. J. Grundhauser (additional)

References 28 Referenced 20

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{'key': '2024020120270234800_r2', 'first-page': '264', 'volume': 'A176', 'year': '1940', 'journal-title': 'Proc. Roy. Soc. (London)'} / Proc. Roy. Soc. (London) (1940)
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{'key': '2024020120270234800_r13', 'first-page': '45', 'volume': '91', 'year': '1953', 'journal-title': 'Phys. Rev.'} / Phys. Rev. (1953)
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{'key': '2024020120270234800_r28'}

Dates

Type	When
Created	20 years, 4 months ago (April 22, 2005, 11:54 a.m.)
Deposited	1 year, 7 months ago (Feb. 1, 2024, 4:48 p.m.)
Indexed	1 year, 6 months ago (Feb. 5, 2024, 3:43 p.m.)
Issued	71 years, 8 months ago (Jan. 1, 1954)
Published	71 years, 8 months ago (Jan. 1, 1954)
Published Print	71 years, 8 months ago (Jan. 1, 1954)

Funders 0

None

BibTeX

@article{Dyke_1954, title={Field Emission Current-Density Distribution}, volume={25}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.1721491}, DOI={10.1063/1.1721491}, number={1}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Dyke, W. P. and Trolan, J. K. and Dolan, W. W. and Grundhauser, F. J.}, year={1954}, month=jan, pages={106–112} }

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