Publications

Publications

Sr. Title Year
1 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
2 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
3 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
4 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
5 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
6 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
7 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
8 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
9 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
10 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
11 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
12 S Karkare, J Maxson, IV Bazarov, HA Padmore, P Musumeci, Prospects for Future Electron Source Development (AF7: Targets and Sources), -
13 Siddharth Karkare, CLASSE, Cornell University (For ERL team), CLASSE, Cornell University (For ERL team)
14 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, -
15 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, -
16 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
17 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
18 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
19 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
20 EJ Montgomery, O Chubenko, GS Gevorkyan, SS Karkare, P Saha, Towards Ultra-Smooth Alkali Antimonide Photocathode Epitaxy, 2th Int. Particle Acc. Conf., 2673-5490
21 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
22 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
23 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
24 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
25 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
26 P Saha, O Chubenko, SS Karkare, HA Padmore, Photoluminescence Studies of Alkali-Antimonide Photocathodes, North American Particle Acc. Conf., 2673-7000
27 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
28 CJ Knill, SS Karkare, JV Conway, BM Dunham, KW Smolenski, HA Padmore, Design of the ASU Photocathode Lab, North American Particle Acc. Conf., 2673-7000
29 Jai Kwan Bae, Ivan Bazarov, Pietro Musumeci, Siddharth Karkare, Howard Padmore, Jared Maxson, Brightness of femtosecond nonequilibrium photoemission in metallic photocathodes at wavelengths near the photoemission threshold, Journal of Applied Physics, 124, 24, 244903
30 J Bae, I Bazarov, L Cultrera, J Maxson, P Musumeci, X Shen, S Karkare, H Padmore, Multi-photon Photoemission and Ultrafast Electron Heating in Cu Photocathodes at Threshold, Proceedings of IPAC2018, Vancouver, Canada, TUPML026
31 JT Paul, RG Hennig, A. Galdi, I. V. Bazarov, S. Karkare, H. Padmore, Computational Screening for Low Emittance Photocathodes, Proc. 9th Int Part. Accel. Conf, 4
32 P Musumeci, J Giner Navarro, JB Rosenzweig, L Cultrera, I Bazarov, J Maxson, S Karkare, H Padmore, Advances in bright electron sources, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 907, 209-220
33 GS Gevorkyan, S Karkare, S Emamian, IV Bazarov, HA Padmore, Effects of physical and chemical surface roughness on the brightness of electron beams from photocathodes, Physical Review Accelerators and Beams, 21, 9, 093401
34 Siddharth Karkare, S Emamian, G Gevorkyan, HA Padmore, A Schmidt, Physical and Chemical Roughness of Alkali-Animonide Cathodes, Proceedings of IPAC’18, 4259
35 Johannes Kevin Nangoi, TA Arias, Siddharth Karkare, HA Padmore, WA Schroeder, The role of electron-phonon scattering in transverse momentum conservation in PbTe (111) photocathodes, 9th International Particle Accelerator Conference (IPAC), 1414-1416
36 S Karkare, HA Padmore, G Adhikari, WA Schroeder, Intrinsic emittance of single crystal cathodes, 9th Int. Particle Accelerator Conf.(IPAC'18), Vancouver, BC, Canada, April 29-May 4, 2018, 4263-4266
37 D A Dimitrov, G. I. Bell, I. Ben-Zvi, J. Smedley, J. Feng, S. Karkare, H. A. Padmore, Modeling Surface Roughness Effects and Emission Properties of Bulk and Layered Metallic Photocathode, Brookhaven National Lab.(BNL), Upton, NY (United States), BNL-207938-2018-COPA
38 Johannes Kevin Nangoi, Siddharth Karkare, Howard Padmore, Tomas Arias, The important role of electron-phonon scattering in photoemission from PbTe (111), APS March Meeting Abstracts, 2018, R29. 003
39 Zihao Ding, Siddharth Karkare, Jun Feng, Daniele Filippetto, Matthew Johnson, Steve Virostek, Fernando Sannibale, James Nasiatka, Mengjia Gaowei, John Sinsheimer, Erik Muller, John Smedley, Howard Padmore, Temperature-dependent quantum efficiency degradation of K-Cs-Sb bialkali antimonide photocathodes grown by a triple-element codeposition method, Physical Review Accelerators and Beams, 20, 11, 113401
40 DA Dimitrov, GI Bell, J Smedley, I Ben-Zvi, J Feng, S Karkare, HA Padmore, Modeling quantum yield, emittance, and surface roughness effects from metallic photocathodes, Journal of Applied Physics, 122, 16, 165303
41 Dimitre Dimitrov, George Bell, Ilan Ben-Zvi, Jun Feng, Siddharth Karkare, Howard Padmore, John Smedley, David Smithe, Seth Veitzer, Modeling Cathode Roughness, Work Function, and Field Enhancement Effects on Electron Emission, Proceedings of the 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14-19
42 Siddharth Karkare, Jun Feng, Xumin Chen, Weishi Wan, F Javier Palomares, T-C Chiang, Howard A Padmore, Reduction of Intrinsic Electron Emittance from Photocathodes Using Ordered Crystalline Surfaces, Physical review letters, 118, 16, 164802
43 Siddharth Karkare, Weishi Wan, Jun Feng, Tai C Chiang, Howard A Padmore, One-step model of photoemission from single-crystal surfaces, Physical Review B, 95, 7, 075439
44 Jun Feng, Siddharth Karkare, James Nasiatka, Susanne Schubert, John Smedley, Howard Padmore, Near atomically smooth alkali antimonide photocathode thin films, Journal of Applied Physics, 121, 044904
45 J Maxson, P Musumeci, L Cultrera, S Karkare, H Padmore, Ultrafast laser pulse heating of metallic photocathodes and its contribution to intrinsic emittance, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 865, 99-104
46 Dimitre Dimitrov, George Bell, Ilan Ben-Zvi, Siddharth Karkare, Howard Padmore, John Smedley, David Smithe, Chuandong Zhou, 3D Modeling and Simulations of Electron Emission From Photocathodes With Controlled Rough Surfaces, Proceedings of the 2nd North American Particle Accelerator Conference, København, Denmark, 14-19
47 Susanne Schubert, Jared Wong, Jun Feng, Siddharth Karkare, Howard Padmore, Miguel Ruiz-Osés, John Smedley, Erik Muller, Zihao Ding, Mengjia Gaowei, Klaus Attenkofer, Xue Liang, Junqi Xie, Julius Kühn, Bi-alkali antimonide photocathode growth: An X-ray diffraction study, Journal of Applied Physics, 120, 3, 035303
48 Siddharth Karkare, Weishi Wan, Jun Feng, Howard Padmore, Photoemission from Shockley surface state on Ag (111), APS March Meeting Abstracts, 2016, A47. 014
49 Luca Cultrera, Siddharth Karkare, Hyeri Lee, Xianghong Liu, Ivan Bazarov, Bruce Dunham, Cold electron beams from cryocooled, alkali antimonide photocathodes, PHYSICAL REVIEW SPECIAL TOPICS—ACCELERATORS AND BEAMS, 18, 113401
50 Jun Feng, J Nasiatka, Weishi Wan, Siddharth Karkare, John Smedley, Howard A Padmore, Thermal limit to the intrinsic emittance from metal photocathodes, Applied Physics Letters, 107, 134101