Size-dependent exchange bias in single phase Mn<sub>3</sub>O<sub>4</sub> nanoparticles

Size-dependent exchange bias in single phase Mn₃O₄ nanoparticles

Wang Song-Wei^{1, 2}, Zhang Xin^{1, 2, †,}, Yao Rong^{1, 2}, Rao Guang-Hui^{1, 2, ‡,}

(a) Magnetic hysteresis loops of Mn₃O₄ at 10 K measured after ZFC and FC in 10 kOe field. Inset: particle-size dependence of H_E at 10 K. (b) Temperature dependence of H_E and H_C.