Bulk domain Meissner state in the ferromagnetic superconductor EuFe$_{2}$(As$_{0.8}$P$_{0.2}$)$_{2}$: Consequence of compromise between ferromagnetism and superconductivity

Wentao Jin,1, ∗ Sebastian Mühlbauer,2, † Philipp Bender,3 Yi Liu,4 Sultan Demirdis,5 Zhendong Fu,6 Yinguo Xiao,7 Shibabrata Nandi,8 Guang-Han Cao,9 Yixi Su,5, ‡ and Thomas Brückel8, 5 School of Physics, Beihang University, Beijing 100191, China Heinz Maier-Leibnitz Zentrum (MLZ), Technische Universität München, D-85748 Garching, Germany Physics and Materials Science Research Unit, University of Luxembourg, 162A Avenue de la Faiencerie, L-1511 Luxembourg, Grand Duchy of Luxembourg College of Science, Zhejiang University of Technology, Hangzhou 310023, China Jülich Centre for Neutron Science JCNS at Heinz Maier-Leibnitz Zentrum (MLZ), Forschungszentrum Jülich GmbH, Lichtenbergstrasse 1, D-85747 Garching, Germany Neutron Platform, Songshan Lake Materials Laboratory, Dongguan 523808, China School of Advanced Materials, Peking University Shenzhen Graduate School, Shenzhen 518055, China Jülich Centre for Neutron Science JCNS and Peter Grünberg Institut PGI, JARA-FIT, Forschungszentrum Jülich GmbH, D-52425 Jülich, Germany Department of Physics, Zhejiang University, Hangzhou 310027, China