Distinct Composition‐Dependent Topological Hall Effect in Mn2‐xZnxSb

Spintronics, an evolving interdisciplinary field at the intersection ofmagnetism and electronics, explores innovative applications of electron chargeand spin properties for advanced electronic devices. The topological Halleffect, a key component in spintronics, has gained significance due to emergingtheories surrounding noncoplanar chiral spin textures. This study focuses onMn2-xZnxSb, a material crystalizing in centrosymmetric space group with richmagnetic phases tunable by Zn contents. Through comprehensive magnetic andtransport characterizations, we found that the high-Zn (x>0.6) samples displayTHE which is enhanced with decreasing temperature, while THE in the low-Zn(x<0.6) samples show an opposite trend. The coexistence of those distincttemperature dependences for THE suggests very different magneticinteractions/structure for different compositions and underscores the strongcoupling between magnetism and transport in Mn2-xZnxSb. Our findings contributeto understanding topological magnetism in centrosymmetric tetragonal lattices,establishing Mn2-xZnxSb as a unique platform for exploring tunable transporteffects and opening avenues for further exploration in the realm ofspintronics.