JACoW is a publisher in Geneva, Switzerland that publishes the proceedings of accelerator conferences held around the world by an international collaboration of editors.
@inproceedings{biswas:napac2022-wepa68, author = {J.P. Biswas and L. Cultrera and S.D. Hawkins and K. Kisslinger and J.F. Klem and S.R. Lee and W. Liu and J. Skarita and E. Wang}, % author = {J.P. Biswas and L. Cultrera and S.D. Hawkins and K. Kisslinger and J.F. Klem and S.R. Lee and others}, % author = {J.P. Biswas and others}, title = {{Record Quantum Efficiency from Superlattice Photocathode for Spin Polarized Electron Beam Production}}, & booktitle = {Proc. NAPAC'22}, booktitle = {Proc. 5th Int. Particle Accel. Conf. (NAPAC'22)}, pages = {784--787}, eid = {WEPA68}, language = {english}, keywords = {electron, cathode, polarization, lattice, distributed}, venue = {Albuquerque, NM, USA}, series = {International Particle Accelerator Conference}, number = {5}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {10}, year = {2022}, issn = {2673-7000}, isbn = {978-3-95450-232-5}, doi = {10.18429/JACoW-NAPAC2022-WEPA68}, url = {https://jacow.org/napac2022/papers/wepa68.pdf}, abstract = {{Electron sources producing highly spin-polarized electron beams are currently possible only with photocathodes based on GaAs and other III-V semiconductors. GaAs/GaAsP superlattice (SL) photocathodes with a distributed Bragg reflector (DBR) represent the state of the art for the production of spin-polarized electrons. We present results on a SL-DBR GaAs/GaAsP structure designed to leverage strain compensation to achieve simultaneously high QE and spin polarization. These photocathode structures were grown using molecular beam epitaxy and achieved quantum efficiencies exceeding 15% and electron spin polarization of about 75% when illuminated with near bandgap photon energies.}}, }