Attosecond chronoscopy of the photoemission near a bandgap of a single-element layered dielectric

Dionysios Potamianos, Maximilian Schnitzenbaumer, Christoph Lemell, Pascal Scigalla, Florian Libisch, Eckhard Schock-Schmidtke, Michael Haimerl, Christian Schröder, Martin Schäffer, Johannes T. Küchle, Johann Riemensberger, Karl Eberle, Yang Cui, Ulf Kleineberg, Joachim Burgdörfer, Johannes V. Barth, Peter Feulner, Francesco Allegretti, Reinhard Kienberger