Affiliation: | 1. Institute of Molecular Physics, Polish Academy of Sciences, 60-179, Poznań, Poland 2. Institute of Material Science and Engineering, Poznan University of Technology, 60-965, Poznań, Poland 3. Institute of Low Temperatures and Structure Research, Polish Academy of Sciences, 50-422, Wroc?aw, Poland 4. Center of Advanced Technology, Adam Mickiewicz University, 60-780, Poznań, Poland
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