Hhpt Bekman

Gregorkiewicz, T. ., Thao, D. T. X., Tsimperidis, I. ., Bekman, H. ., Langerak, C. ., Michel, J. ., & Kimerling, L. C. (1998). Excitation mechanism of Er in Si studied with a free-electron laser. Journal of Luminescence, 80, 291-295. https://doi.org/10.1016/s0022-2313(98)00114-8 (Original work published 2025)

Tsimperidis, I. ., Gregorkiewicz, T. ., Bekman, H. ., & Langerak, C. . (1998). Direct observation of the two-stage excitation mechanism of Er in Si. Physical Review Letters, 81, 4748-4751. https://doi.org/10.1103/PhysRevLett.81.4748 (Original work published)