Recent research has highlighted the significance of perovskites owing to their diverse characteristics arising from the integration of elements across the periodic table. The properties of these materials are influenced through a range of factors, including constituent elements, disorder, oxygen deficiency, and so on. We investigated the impact of disorder, along with the dependency of temperature and cooling field on exchange bias, using both experimental and theoretical simulations. Improving B-site disorder led to a significant enhancement (18.6 kOe) in the exchange bias of SrFe0.45Co0.45Ir0.1O3, due to numerous new interactions and a reduction in the size of magnetic clusters. Our findings highlight the critical impact of purposeful material design techniques, specifically the importance of B-site disorder in structures in facilitating the giant exchange bias.

The investigation of the influence of B-site disorder on giant exchange bias: Experimental observations and theoretical insights