EPJ Web Conf.
Volume 233, 2020Portuguese Condensed Matter Physics National Conference (CMPNC 2019)
|Number of page(s)||5|
|Section||Semiconductors, Insulators, Dielectrics. Strongly Correlated Systems|
|Published online||16 April 2020|
Modelling isolated hydrogen impurity in Lu2O3 with muonium spectroscopy
1 CFisUC, Department of Physics, University of Coimbra, R. Larga, P-3004-516 Coimbra, Portugal
2 CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
3 Helmholtz-Zentrum Berlin für Materialien und Energie, 14109 Berlin, Germany
4 Department of Physics, Texas Tech University, Lubbock TX 79409-1051, USA
5 Department of Physics, Northern Michigan University, Marquette, MI, 49855
6 Department of Physics and Engineering, Francis Marion University, Florence, SC 29502, USA
7 ISIS Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
* Corresponding author: email@example.com
Published online: 16 April 2020
We identified in this experiment two muon configurations in Lu2O3, the oxygen-bound (O-Mu+) ground state and a metastable (energy barrier 0.7(3) eV) atom-like excited state. These configurations are partially not formed immediately after implantation but somewhat delayed due to the requirement of a lattice rearrangement around the muon. These rearrangement processes occur on a timescale of ns to µs and are thus observable in µSR experiments. A special role plays a fairly long-lived (ns to µs) transition state as an intermediate step in the reaction process.
© The Authors, published by EDP Sciences, 2020
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