The CoESCA station at BESSY: Auger electron-Photoelectron coincidences from surfaces demonstrated for Ag MNN

no code implementations • 17 Dec 2020 • T. Leitner, A. Born, I. Bidermane, R. Ovsyannikov, F. O. L. Johansson, Y. Sassa, A. Föhlisch, A. Lindblad, F. O. Schumann, S. Svensson, N. Mårtensson

In this work, we present the CoESCA station for electron-electron coincidence spectroscopy from surfaces, built in a close collaboration between Uppsala University and Helmholtz-Zentrum Berlin at the BESSY II synchrotron facility in Berlin, Germany.

Instrumentation and Detectors

Neutron powder diffraction study of NaMn$_2$O$_4$ and Li$_{0.92}$Mn$_2$O$_4$: New insights on spin-charge-orbital ordering

no code implementations • 30 Jun 2020 • N. Matsubara, E. Nocerino, K. Kamazawa, O. K. Forslund, Y. Sassa, L. Keller, V. V. Sikolenko, V. Pomjakushin, H. Sakurai, J. Sugiyama, M. Månsson

The high-pressure synthesized quasi-one-dimensional compounds NaMn$_2$O$_4$ and Li$_{0. 92}$Mn$_2$O$_4$ are both antiferromagnetic insulators, and here their atomic and magnetic structures were investigated using neutron powder diffraction.

Materials Science