种自旋阀型磁阻复合材料CoFeO-FeO的简易合成方法

• Format: Patent
• Language: Chinese
• Published: 29.01.2019
• Subjects: ARTIFICIAL STONE; BASIC ELECTRIC ELEMENTS; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; ELECTRICITY; INDUCTANCES; LIME, MAGNESIA; MAGNETS; METALLURGY; REFRACTORIES; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; SLAG; TRANSFORMERS; TREATMENT OF NATURAL STONE

本发明公开了种自旋阀型磁阻复合材料CoFeO-FeO的简易合成方法，使用纳米磁性氧化铁γ-FeO和CoO为原料，将干燥后的纳米磁性氧化铁γ-FeO加入酒精后球磨，再将干燥后的CoO与纳米磁性氧化铁γ-FeO混合，球磨、压片，并在氩气气氛下烧结成型，最后随炉冷却至室温即制得系列自旋阀型磁阻复合材料CoFeO-FeO。本发明所需的设备和制备过程简易，重复性较高且自旋阀型磁阻性能优越。