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Journal Articles

Effect of electron–electron interactions on the emission characteristics of ultracold, nanoscale photoemission-based electron sources

G. S. Gevorkyan, R. Ridley, E. Gonzalez, H. A. Padmore, S. Karkare
Journal: Journal of Applied Physics
J. Appl. Phys. 137, 024902 (2025)
https://doi.org/10.1063/5.0232243
Published: January 2025
View articletitled, Effect of electron–electron interactions on the emission characteristics of ultracold, nanoscale photoemission-based electron sources
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Journal Articles

Wehnelt photoemission in an ultrafast electron microscope: Stability and usability

Simon A. Willis, Wyatt A. Curtis, David J. Flannigan
Journal: Journal of Applied Physics
J. Appl. Phys. 136, 024901 (2024)
https://doi.org/10.1063/5.0214246
Published: July 2024
View articletitled, Wehnelt photoemission in an ultrafast electron microscope: Stability and usability
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Journal Articles

Excessive charge, beam loading, and impedance collapse thresholds for a velvet emitter

J. E. Coleman, M. R. Howard
Journal: Journal of Applied Physics
J. Appl. Phys. 135, 223302 (2024)
https://doi.org/10.1063/5.0207544
Published: June 2024
View articletitled, Excessive charge, beam loading, and impedance collapse thresholds for a velvet emitter
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Journal Articles

Ultrafast laser triggered electron emission from ultrananocrystalline diamond pyramid tip cathode

A. Kachwala, O. Chubenko, D. Kim, E. I. Simakov, S. Karkare
Journal: Journal of Applied Physics
J. Appl. Phys. 135, 124902 (2024)
https://doi.org/10.1063/5.0196457
Published: March 2024
View articletitled, Ultrafast laser triggered electron emission from ultrananocrystalline diamond pyramid tip cathode
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Journal Articles

Tutorial: The equations of electron emission and their evaluation

Kevin L. Jensen
Journal: Journal of Applied Physics
J. Appl. Phys. 135, 111101 (2024)
https://doi.org/10.1063/5.0196481
Published: March 2024
View articletitled, Tutorial: The equations of electron emission and their evaluation
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Journal Articles

Novel low-macroscopic-field emission cathodes for electron probe spectroscopy systems

R. Smerdov, A. Mustafaev
Journal: Journal of Applied Physics
J. Appl. Phys. 134, 114903 (2023)
https://doi.org/10.1063/5.0169129
Published: September 2023
View articletitled, Novel low-macroscopic-field emission cathodes for electron probe spectroscopy systems
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Journal Articles

Precise measurement of the work function of a hot CeB6 thermionic cathode through photoelectron yield spectroscopy using a tunable pulsed laser

Tamotsu Magome, Kazuaki Togawa, Hitoshi Tanaka
Journal: Journal of Applied Physics
J. Appl. Phys. 133, 165107 (2023)
https://doi.org/10.1063/5.0139366
Published: April 2023
View articletitled, Precise measurement of the work function of a hot CeB6 thermionic cathode through photoelectron yield spectroscopy using a tunable pulsed laser
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Journal Articles

Characterizing the high-power-microwaves radiated by an axial output compact S-band A6 segmented magnetron fed by a split cathode and powered by a linear induction accelerator

O. Belozerov, Ya. E. Krasik, J. G. Leopold, S. Pavlov, Y. Hadas, K. Kuchuk, E. Schamiloglu
Journal: Journal of Applied Physics
J. Appl. Phys. 133, 133301 (2023)
https://doi.org/10.1063/5.0138769
Published: April 2023
View articletitled, Characterizing the high-power-microwaves radiated by an axial output compact S-band A6 segmented magnetron fed by a split cathode and powered by a linear induction accelerator
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Journal Articles

Theory of photoemission from cathodes with disordered surfaces

Pallavi Saha, Oksana Chubenko, J. Kevin Nangoi, Tomas Arias, Eric Montgomery, Shashi Poddar, Howard A. Padmore, Siddharth Karkare
Journal: Journal of Applied Physics
J. Appl. Phys. 133, 053102 (2023)
https://doi.org/10.1063/5.0135629
Published: February 2023
View articletitled, Theory of photoemission from cathodes with disordered surfaces
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Journal Articles

Space charge effect in low-density ultracold ion bunches

Wenchang Zhou, Feng Fang, Changjie Luo, Dongbin Qian, Jie Yang, Liang Lu
Journal: Journal of Applied Physics
J. Appl. Phys. 133, 034901 (2023)
https://doi.org/10.1063/5.0120819
Published: January 2023
View articletitled, Space charge effect in low-density ultracold ion bunches
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Journal Articles

Quantum efficiency enhancement in simulated nanostructured negative electron affinity GaAs photocathodes

Md Aziz Ar Rahman, Shukui Zhang, Hani E. Elsayed-Ali
Journal: Journal of Applied Physics
J. Appl. Phys. 133, 023105 (2023)
https://doi.org/10.1063/5.0130884
Published: January 2023
View articletitled, Quantum efficiency enhancement in simulated nanostructured negative electron affinity GaAs photocathodes
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Journal Articles

A fast-modeling algorithm to predict the thermo-field emission and thermal stability of field emitter arrays

Darius Mofakhami, Benjamin Seznec, Romaric Landfried, Philippe Teste, Philippe Dessante, Tiberiu Minea
Journal: Journal of Applied Physics
J. Appl. Phys. 132, 243302 (2022)
https://doi.org/10.1063/5.0116717
Published: December 2022
View articletitled, A fast-modeling algorithm to predict the thermo-field emission and thermal stability of field emitter arrays
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Journal Articles

Enhanced performance of an Ag(100) photocathode by an ultra-thin MgO film

C. Benjamin, H. M. Churn, T. J. Rehaag, L. A. J. Soomary, C. P. Welsch, L. B. Jones, T. C. Q. Noakes, G. R. Bell
Journal: Journal of Applied Physics
J. Appl. Phys. 132, 195303 (2022)
https://doi.org/10.1063/5.0124528
Published: November 2022
View articletitled, Enhanced performance of an Ag(100) photocathode by an ultra-thin MgO film
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Journal Articles

Pulse response of the GaAs/GaAsP superlattice photocathode

Nahid Scahill, Kurt Aulenbacher
Journal: Journal of Applied Physics
J. Appl. Phys. 132, 185702 (2022)
https://doi.org/10.1063/5.0108675
Published: November 2022
View articletitled, Pulse response of the GaAs/GaAsP superlattice photocathode
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Journal Articles

Effects of gas pressure and bias potential on electron beam nitriding of titanium

A. V. Tyunkov, Е. М. Oks, Yu. G. Yushkov, S. M. Zavadsky, D. B. Zolotukhin
Journal: Journal of Applied Physics
J. Appl. Phys. 131, 213302 (2022)
https://doi.org/10.1063/5.0089782
Published: June 2022
View articletitled, Effects of gas pressure and bias potential on electron beam nitriding of titanium
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Journal Articles

High gradient silicon carbide immersion lens ultrafast electron sources

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Kenneth J. Leedle, Uwe Niedermayer, Eric Skär, Karel Urbanek, Yu Miao, Payton Broaddus, Olav Solgaard, Robert L. Byer
Journal: Journal of Applied Physics
J. Appl. Phys. 131, 134501 (2022)
https://doi.org/10.1063/5.0086321
Published: April 2022
View articletitled, High gradient silicon carbide immersion lens ultrafast electron sources
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Journal Articles

Photoemission characterization of N-polar III-nitride photocathodes as candidate bright electron beam sources for accelerator applications

L. Cultrera, E. Rocco, F. Shahedipour-Sandvik, L. D. Bell, J. K. Bae, I. V. Bazarov, P. Saha, S. Karkare, A. Arjunan
Journal: Journal of Applied Physics
J. Appl. Phys. 131, 124902 (2022)
https://doi.org/10.1063/5.0076488
Published: March 2022
View articletitled, Photoemission characterization of N-polar III-nitride photocathodes as candidate bright electron beam sources for accelerator applications
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Journal Articles

Development of a minimizable pulsed plasma source with structure induced focusability

Zunyi Tian, Zhongyu Hou
Journal: Journal of Applied Physics
J. Appl. Phys. 131, 024503 (2022)
https://doi.org/10.1063/5.0074853
Published: January 2022
View articletitled, Development of a minimizable pulsed plasma source with structure induced focusability
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Journal Articles

Total pressure in thermionic orificed hollow cathodes: Controlling mechanisms and their relative importance

Pierre-Yves C. R. Taunay, Christopher J. Wordingham, Edgar Y. Choueiri
Journal: Journal of Applied Physics
J. Appl. Phys. 131, 013303 (2022)
https://doi.org/10.1063/5.0067271
Published: January 2022
View articletitled, Total pressure in thermionic orificed hollow cathodes: Controlling mechanisms and their relative importance
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Journal Articles

Plasma parameters measured inside and outside a microwave-discharge-based plasma cathode using laser-induced fluorescence spectroscopy

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Takato Morishita, Ryudo Tsukizaki, Kazutaka Nishiyama, Hitoshi Kuninaka
Journal: Journal of Applied Physics
J. Appl. Phys. 131, 013301 (2022)
https://doi.org/10.1063/5.0071294
Published: January 2022
View articletitled, Plasma parameters measured inside and outside a microwave-discharge-based plasma cathode using laser-induced fluorescence spectroscopy
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