Publications
| Sr. | Title | Year |
|---|---|---|
| 1 | T Wu, T Idso, S Karkare, T Arias, Photoemission from Semi-Infinite Crystals: An Ab Initio Scattering-State Approach, arXiv, 2607.19551 | |
| 2 | L Verra, P Muggli, B Cross, E Adli, R Babjak, T Barklow, F Bencivenga, et al., Report on the Advanced Linear Collider Study Group (ALEGRO) Workshop 2026, arXiv, 2607.09457 | |
| 3 | KP Mondal, M Gaowei, E Echeverria, K Evans-Lutterodt, S Karkare, et al., Epitaxial growth of cesium potassium antimonide photocathode, APL Materials, 14 (7) | |
| 4 | O Chubenko, S Karkare, J Grames, M Fuchs, Beam Sources for 10 TeV Wakefield Collider, arXiv, 2605.27702 | |
| 5 | S Karkare, Spatiotemporal Control of Electron Emission Using Nanoscale Photoemitters with Integrated Nanophotonics and Plasmonics, 2026 IEEE International Vacuum Electronics Conference (IVEC), 103-104 | |
| 6 | M Gaowei, KP Mondal, E Echeverria, C Pennington, Y Yang, J Walsh, et al., In situ and Real Time Characterization of Epitaxial, Ultrasmooth and High Quantum Efficiency Photocathodes Using Synchrotron X-rays, 2026 IEEE International Vacuum Electronics Conference (IVEC), 163-163 | |
| 7 | C Pennington, E Echeverria, A Flint, N Gonzalez, T Wu, T Arias, et al., Enhanced quantum efficiency from optical interference in alkali antimonide photocathodes: Modeling and experimental results, Journal of Applied Physics, 139 (6) | |
| 8 | PP Owusu, J Mama, T Idso, A Ullattuparambil, MM Rizi, J Anawalt, et al., Characterization of Cs3Sb photocathodes at cryogenic temperatures, Applied Physics Letters, 127 (17) | |
| 9 | R Ahsan, A Kachwala, HU Chae, AT Priyoti, O Chubenko, et al., Evanescent Mode Photoemission, Nano Letters, 25 (43), 15487-15494 | |
| 10 | PP Owusu, C Zhang, A Bartnik, T Kalpada, J Anawalt, J Maxson, et al., Optimizing 4D emittance measurements using the pinhole scan technique, Technical Report, No. | |
| 11 | FS Shahedipour-Sandvik, A Lanjani, B McEwen, S Omranpour, E Rocco, et al., (Invited) Next-Generation Electron Beam Sources: Exploring III-Nitride Photocathodes for Enhanced Quantum Efficiency and Spin Polarization, Electrochemical Society Meeting Abstracts, 247, 1696-1696 | |
| 12 | S Gessner, P Muggli, M Galletti, I Pogorelsky, A Giribono, E Nanni, X Lu, et al., arXiv: Design Initiative for a 10 TeV pCM Wakefield Collider, arXiv, | |
| 13 | S Gessner, J Osterhoff, CA Lindstrøm, K Cassou, SP Griso, J List, E Adli, et al., Design initiative for a 10 TeV pCM wakefield collider, arXiv, 2503.20214 | |
| 14 | KP Mondal, M Gaowei, E Echeverria, K Evans-Lutterodt, J Jordan-Sweet, et al., Pulsed laser deposition assisted epitaxial growth of cesium telluride photocathodes for high brightness electron sources, Scientific Reports, 15 (1), 3421 | |
| 15 | GS Gevorkyan, R Ridley, E Gonzalez, HA Padmore, S Karkare, Effect of electron–electron interactions on the emission characteristics of ultracold, nanoscale photoemission-based electron sources, Journal of Applied Physics, 137 (2) | |
| 16 | A Ullattuparambil, MM Rizi, PP Owusu, S Karkare, A Bartnik, M Gordon, et al., PICOMETERSCALE EMITTANCE AND SPACE CHARGE EFFECTS IN NANOSTRUCTURED PHOTOCATHODES, Proceedings of NAPAC2025, | |
| 17 | CA Pennington, M Gaowei, EM Echeverria, K Evans-Lutterodt, A Galdi, et al., A structural analysis of ordered Cs3Sb films grown on single crystal graphene and silicon carbide substrates, APL Materials, 13 (1) | |
| 18 | A Kachwala, MM Rizi, CM Pierce, D Filippetto, J Maxson, S Karkare, Harnessing plasmonic interference for nanoscale ultrafast electron sources, Physical Review Letters, 133 (18), 185001 | |
| 19 | WG Stam, M Gaowei, EM Echeverria, K Evans-Lutterodt, J Jordan-Sweet, et al., Growth of ultra-flat ultra-thin alkali antimonide photocathode films, APL Materials, 12 (6) | |
| 20 | KP Mondal, C Pennington, E Echeverria, J Maxson, M Gaowei, et al., Demonstration of enhanced quantum efficiency from optical interference in alkali antimonide photocathodes, Brookhaven National Laboratory, | |
| 21 | M Gaowei, K Evans-Lutterodt, R Acevedo-Esteves, J Jordan-Sweet, et al., Pulsed laser deposition assisted growth of alkali-based photocathodes, Proceedings of IPAC’24, 2054-2056 | |
| 22 | HU Chae, A Kachwala, R Ahsan, AT Priyoti, S Karkare, R Kapadia, Patternable On-Chip Waveguide Integrated Cs3Sb Photocathodes, 2024 Joint International Vacuum Electronics Conference and International Vacuum Electron Sources Conference, | |
| 23 | A Kachwala, O Chubenko, D Kim, EI Simakov, S Karkare, Ultrafast laser triggered electron emission from ultrananocrystalline diamond pyramid tip cathode, Journal of Applied Physics, 135 (12) | |
| 24 | Xuefei Guo, Dipanjan Chaudhuri, Nina Bielinski, Jin Chen, Soyeun Kim, Tai C. Chiang, Fahad Mahmood, Julio A. N. T. Soares, Siddharth Karkare, Peter Abbamonte, Characterization of a LaB6 tip as a thermionically enhanced photoemitter, Applied Physics Letters, 124, 014103 | |
| 25 | Pallavi Saha, Eric Montgomery, Shashi Poddar, Oksana Chubenko and Siddharth Karkare, Ion-Beam-Assisted Growth of Cesium-antimonide Photocathodes, Journal of Vacuum Science and Technology: B, 41, 064004 | |
| 26 | Christopher J. Knill, Stephen Douyon, Kenji Kawahara, Hisato Yamaguchi, Gaoxue Wang, Hiroki Ago, Nathan Moody, and Siddharth Karkare, Effects of nonlinear photoemission on mean transverse energy from metal photocathodes, Physical Review Accelerators and Beams, 26, 093401 | |
| 27 | Gevork Gevorkyan, Carlos Sarabia-Cardenas, Alimohammad Kachwala, Christopher Knill, Tatum J. Hanks, Priyadarshini Bhattacharyya, William H. Li, Luca Cultrera, Alice Galdi, Ivan Bazarov, Jared Maxson, and Siddharth Karkare, A cryogenically cooled 200 kV DC photoemission electron gun for ultralow emittance photocathodes, Review of Scientific Instruments, 94, 091501 | |
| 28 | P. Saha, A. Kachwala, P. Bhattacharya, O. Chubenko, E. Montgomery, and S. Karkare, Demonstration of thermal limit mean transverse energy from cesium antimonide photocathodes, Applied Physics Letters, 123, 044106 | |
| 29 | P. Saha, O. Chubenko, J. K. Nangoi , T. Arias, E. Montgomery, S. Poddar, H. Padmore and S. Karkare, Theory of photoemission from cathodes with disordered surfaces, Journal of Applied Physics, 133, 053102 |
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| 30 | C. Knill, H. Yamaguchi, K. Kawahara, G. Wang E. Batista, P. Yang, H. Ago, N. Moody and S. Karkare, Near Threshold Photoemission from Graphene Coated Cu(110), Physical Review Applied, 19, 014015 |
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| 31 | A. Kachwala, O. Chubenko, D. Kim, E. Simakov, and S. Karkare, Quantum efficiency, photoemission energy spectra, and mean transverse energy of ultrananocrystalline diamond photocathodes, Journal of Applied Physics, 132, 224901 | |
| 32 | Pallavi Saha, Oksana Chubenko, Gevork S Gevorkyan, Alimohammed Kachwala, Christopher J Knill, Carlos Sarabia-Cardenas, Eric Montgomery, Shashi Poddar, Joshua T Paul, Richard G Hennig, Howard A Padmore, Siddharth Karkare, Physically and chemically smooth cesium-antimonide photocathodes on single crystal strontium titanate substrates, Applied Physics Letters, 120, 19, 194102 | |
| 33 | L Cultrera, E Rocco, F Shahedipour-Sandvik, LD Bell, JK Bae, IV Bazarov, P Saha, S Karkare, A Arjunan, Photoemission characterization of N-polar III-nitride photocathodes as candidate bright electron beam sources for accelerator applications, Journal of Applied Physics, 131, 12, 124902 | |
| 34 | Johannes Kevin Nangoi, Siddharth Karkare, Ravishankar Sundararaman, Howard Padmore, Tomás Arias, Ab initio theory of coherent electron-phonon-photon processes in photoemission from single-crystal materials, Bulletin of the American Physical Society, | |
| 35 | I Bazarov, S Belomestnykh, SG Biedron, J Blazey NIU, B Carlsten, B Dunham, D Hartill, S Henderson, GH Hoffstaetter, E Hosler, Z Huang, S Karkare, YK Kim, M Liepe, J Maxson, P Musumeci, S Nagaitsev, H Padmore, JR Patterson, P Piot NIU, S Posen, J Rosenzweig, Ritchie Patterson, The Center for Bright Beams as a model for accelerator research and education, -, | |
| 36 | S Karkare, J Maxson, IV Bazarov, HA Padmore, P Musumeci, Prospects for Future Electron Source Development (AF7: Targets and Sources), -, | |
| 37 | Siddharth Karkare, CLASSE, Cornell University (For ERL team), CLASSE, Cornell University (For ERL team), | |
| 38 | GC Blazey, John Cary, Swapan Chattopadhyay, J Delayen, William S Graves, GH Hoffstaetter, Zhirong Huang, Siddharth Karkare, Young-Kee Kim, M Liepe, X Lu, SM Lund, Jared Maxson, P Musumeci, S Nagaitsev, JR Patterson, P Piot, Tor O Raubenheimer SLAC V Shiltsev, Pavel Snopok, Linda Spentzouris, V Shiltsev, MJ Syphers, J Ritchie Patterson, At Risk: University-based Accelerator Science and Education, -, | |
| 39 | J Kevin Nangoi, Siddharth Karkare, Ravishankar Sundararaman, Howard A Padmore, Tomás A Arias, Importance of bulk excitations and coherent electron-photon-phonon scattering in photoemission from PbTe(111): Ab initio theory with experimental comparisons, Physical Review B, 104, 11, 115132 | |
| 40 | Oksana Chubenko, Siddharth Karkare, Dimitre A Dimitrov, Jai Kwan Bae, Luca Cultrera, Ivan Bazarov, Andrei Afanasev, Monte Carlo modeling of spin-polarized photoemission from p-doped bulk GaAs, Journal of Applied Physics, 130, 6, 063101 | |
| 41 | Chris Knill, Siddharth Karkare, Howard Padmore, Near-Threshold Nonlinear Photoemission From Cu (100), 12th International Particle Accelerator Conference (IPAC'21), Campinas, SP, Brazil, 24-28 May 2021, 2822-2825 | |
| 42 | Pallavi Saha, Oksana Chubenko, Gevork Gevorkyan, Alimohammed Kachwala, Siddharth Karkare, Chris Knill, Eric Montgomery, Howard Padmore, Shashi Poddar, Optical and Surface Characterization of Alkali-Antimonide Photocathodes, 12th International Particle Accelerator Conference (IPAC'21), Campinas, SP, Brazil, 24-28 May 2021, 4037-4040 | |
| 43 | EJ Montgomery, O Chubenko, GS Gevorkyan, SS Karkare, P Saha, Towards Ultra-Smooth Alkali Antimonide Photocathode Epitaxy, 2th Int. Particle Acc. Conf., 2673-5490 | |
| 44 | JB Rosenzweig, N Majernik, RR Robles, G Andonian, O Camacho, A Fukasawa, A Kogar, G Lawler, Jianwei Miao, P Musumeci, B Naranjo, Y Sakai, R Candler, B Pound, C Pellegrini, C Emma, A Halavanau, J Hastings, Z Li, M Nasr, S Tantawi, P Anisimov, B Carlsten, F Krawczyk, E Simakov, L Faillace, M Ferrario, B Spataro, S Karkare, J Maxson, Y Ma, J Wurtele, A Murokh, A Zholents, A Cianchi, D Cocco, SB van der Geer, An ultra-compact x-ray free-electron laser, New Journal of Physics, 22, 9, 093067 | |
| 45 | Siddharth Karkare, Gowri Adhikari, Andreas Schroeder, Kevin Nangoi, Tomas Arias, Jared Maxson, Howard Padmore, Ultracold Electrons via Near-Threshold Photoemission from Single-Crystal Cu(100), Physical Review Letters, 125, 054801 | |
| 46 | JK Nangoi, S Karkare, R Sundararaman, HA Padmore, TA Arias, Ab initio many-body photoemission theory of transverse energy distribution of photoelectrons: PbTe (111) as a case study with experimental comparisons, arXiv preprint arXiv:2006.11924, 104, 115132 | |
| 47 | Gevork S Gevorkyan, SS Karkare, Design of a 200 kV DC Cryocooled Photoemission Gun for Photocathode Investigations, Proceedings of the North American Particle Accelerator Conference, 2673-7000 | |
| 48 | S Karkare, J Feng, J Maxson, HA Padmore, Development of a 3-D energy-momentum analyzer for meV-scale energy electrons, Review of Scientific Instruments, 90, 5, 053902 | |
| 49 | Johannes Kevin Nangoi, Alice Galdi, Luca Cultrera, Ravishankar Sundararaman, Jared Maxson, Ivan Bazarov, Siddharth Karkare, Howard Padmore, Tomas Arias, Ab initio theory and calculations of many-body effects in photoemission from semiconductor surfaces: Cs3Sb as a case study, APS March Meeting Abstracts, 2019, P33. 007 | |
| 50 | P Saha, O Chubenko, SS Karkare, HA Padmore, Photoluminescence Studies of Alkali-Antimonide Photocathodes, North American Particle Acc. Conf., 2673-7000 |