Superconducting properties of YBCO bulk co-embedded by nano-BaTiO3 and WO3 particles Sarah A. Alotaibi, Yassine Slimani, Munirah A. Almessiere, Essia Hannachi, Fatimah O. Al-qwairi, Munawar Iqbal, Faten Ben Azzouz and Ghulam Yasin Eur. Phys. J. Plus, 137 1 (2022) 46 Published online: 21 December 2021 DOI: 10.1140/epjp/s13360-021-02073-9