1. NIST
Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899-6102, United States
2. National Renewable Energy Laboratory (NREL), Golden, Colorado 80401, United States
3. Catalonia Institute for Energy Research (IREC), Jardins de les Dones de Negre, 1, 08930 Sant Adrià de Besòs, Barcelona, Barcelona, Spain
4. Department
of Physics, University of Novi Sad, Faculty of Sciences, Trg Dositeja
Obradovica 4, 21000 Novi Sad, Serbia
5. Texas Center
for Superconductivity and Department of Physics, University of Houston, Houston, Texas 77204-5002, United States
6. Faculty
of Technology, Department of Materials Engineering, University of Novi Sad, Bul. cara Lazara 1, 21000 Novi Sad, Serbia
7. IN2UB, Universitat de Barcelona, C. Martí Franquès 1, 08028 Barcelona, Spain