Terahertz signatures of ultrafast Dirac fermion relaxation at the surface of topological insulators

by S. Kovalev, K.-J. Tielrooij, J.-C. Deinert, I. Ilyakov, N. Awari, M. Chen, A. Ponomaryov, M. Bawatna, T. V. A. G. de Oliveira, L. M. Eng, K. A. Kuznetsov, D. A. Safronenkov, G. Kh. Kitaeva, P. I. Kuznetsov, H. A. Hafez, D. Turchinovich, M. Gensch
Published 2021-10-01

Successful user operation of a superconducting radio-frequency photoelectron gun with Mg cathodes

by J. Teichert, A. Arnold, G. Ciovati, J.-C. Deinert, P. Evtushenko, M. Justus, J. M. Klopf, P. Kneisel, S. Kovalev, M. Kuntzsch, U. Lehnert, P. Lu, S. Ma, P. Murcek, P. Michel, A. Ryzhov, J. Schaber, C. Schneider, R. Schurig, R. Steinbrück, H. Vennekate, I. Will, R. Xiang
Published 2021-03-01