Magnetic plasma nano-material and preparation method and application thereof

The invention discloses a magnetic plasma nano-material and a preparation method and application thereof. The magnetic plasma nano-material comprises central particles and metal oxide wrapping the central particles, the central particles are metal nano-particles, and at least one of metal in the metal nano-particles and metal in the metal oxide is magnetic metal. The material has magnetism and optical activity, and has the potential of simultaneous magnetic and optical detection. In addition, the magnetic plasma nano-system has good T1 relaxation performance, and also has strong near-infrared absorption peak and good photo-thermal heating capability. 本申请公开了一种磁性等离子体纳米材料及其制备方法与应用，所述磁性等离子体纳米材料包括中心颗粒和包覆在所述中心颗粒外的金属氧化物，所述中心颗粒为金属纳米颗粒，所述金属纳米颗粒中的金属及所述金属氧化物中的金属中至少有一种为磁性金属。该材料具有磁性和光学活性，具有同时进行磁性和光学检测的潜力。此外，磁性等离子体纳米体系具有良好的T1弛豫性能，还具有较强的近红外吸收峰和良好的光热加热能力。