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Collaborations and top research areas from the last five years
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Enhanced quantum efficiency from optical interference in alkali antimonide photocathodes: Modeling and experimental results
Pennington, C., Echeverria, E., Flint, A., Gonzalez, N., Wu, T., Arias, T., Mondal, K. P., Evans-Lutterodt, K., Gaowei, M., Smedley, J., Bhattacharyya, P., Karkare, S., Galdi, A., Bartnik, A. & Maxson, J., Feb 14 2026, In: Journal of Applied Physics. 139, 6, 065305.Research output: Contribution to journal › Article › peer-review
Open Access -
A structural analysis of ordered Cs3Sb films grown on single crystal graphene and silicon carbide substrates
Pennington, C. A., Gaowei, M., Echeverria, E. M., Evans-Lutterodt, K., Galdi, A., Juffmann, T., Karkare, S., Maxson, J., van der Molen, S. J., Saha, P., Smedley, J., Stam, W. G. & Tromp, R. M., Jan 1 2025, In: APL Materials. 13, 1, 011120.Research output: Contribution to journal › Article › peer-review
Open Access2 Link opens in a new tab Scopus citations -
Characterization of Cs3Sb photocathodes at cryogenic temperatures
Owusu, P. P., Mama, J., Idso, T., Ullattuparambil, A., Rizi, M. M., Anawalt, J. & Karkare, S., Oct 23 2025, In: Applied Physics Letters. 127, 17, 172101.Research output: Contribution to journal › Article › peer-review
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Effect of electron-electron interactions on the emission characteristics of ultracold, nanoscale photoemission-based electron sources
Gevorkyan, G. S., Ridley, R., Gonzalez, E., Padmore, H. A. & Karkare, S., Jan 14 2025, In: Journal of Applied Physics. 137, 2, 024902.Research output: Contribution to journal › Article › peer-review
Open Access2 Link opens in a new tab Scopus citations -
Evanescent Mode Photoemission
Ahsan, R., Kachwala, A., Chae, H. U., Priyoti, A. T., Chubenko, O., Ullattuparambil, A., Wu, Z., Kapadia, R. & Karkare, S., Oct 29 2025, In: Nano Letters. 25, 43, p. 15487-15494 8 p.Research output: Contribution to journal › Letter › peer-review
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Mid-Scale RI-2 Consortium: Compact X-ray Free-Electron Laser Project (CXFEL)
Teitelbaum, S. (CoI), Thornton, T. (CoI), Erten, O. (CoI), Karkare, S. (CoI), Graves, W. (PI), Schmidt, K. (CoI), Kaindl, R. (CoI), Tongay, S. A. (CoI), Ros, A. (CoI), Weierstall, U. (CoI), Kirian, R. (CoI), Sanchez Botana, A. (CoI), Fromme, P. (CoI) & Holl, M. (CoI)
National Science Foundation (NSF)
3/15/23 → 2/29/28
Project: Research project
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Proposal for studies to determine the optimal photocathode material for the LCLS-II-HE SRF gun and to specify its operating parameters
Karkare, S. (PI)
1/26/23 → 8/31/25
Project: Research project
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Integrated Photonic Structures for Bunch Shaping in Structure Wakefield Accelerators
Karkare, S. (PI)
6/28/21 → 6/27/22
Project: Research project
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Epitaxial Alkali Antimonide Photocathode Growth and Characterization
Karkare, S. (PI)
6/21/21 → 5/2/23
Project: Research project
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On-Chip Integrated Photonics based Photocathodes
Karkare, S. (PI)
9/25/20 → 8/31/25
Project: Research project