Ferrimagnetism, resistivity, and magnetic exchange interactions in double perovskite La2CrMnO6

Although several reports have studied the types of magnetic exchange interactions, the origin of the ferrimagnetism or ferromagnetism, and crystal structure in double perovskite La2CrMnO6, there are still many controversies because of the complexity of structures, valence states and synthesized conditions in this material. To further explore the structure, magnetism, resistivity and exchange interactions, the X-ray diffraction, X-ray photoelectron spectroscopy, AC and DC magnetic measurements, and the resistivity as a function of temperature are performed in this study. The O-type orthorhombic structure (b < c√2