| 主权项 |
1. A method of measuring an induced magnetic force, comprising:
applying a magnetic field to multiple patterns having controlled magnetic axes provided in a solid medium,
wherein the multiple patterns includes a first solid area having first controlled magnetic axes each fixed in the first solid area in a first direction and a second solid area having second controlled magnetic axes each fixed in the second solid area in a second direction which is different from the first direction,wherein each controlled magnetic axis in the first and second controlled magnetic axes is formed by a chain structure which has an alignment structure of magnetic nanoparticles aligned in a predetermined direction; and scanning the multiple patterns having the controlled magnetic axes while applying the magnetic field,
wherein the scanning of the multiple patterns includes measuring induced magnetic forces induced by the applied magnetic field and the first and second controlled magnetic axes from the first and second solid areas,wherein each induced magnetic force is a function of an intensity of the applied magnetic field, a size of the magnetic nanoparticles, a distance between the magnetic nanoparticles, and directions of each controlled magnetic axes, andwherein the induced magnetic force increases when the intensity of the magnetic field increases, the size of the magnetic nanoparticles increases or the directions of the magnetic axes become similar to the direction of the magnetic field; wherein a first interparticle distance of each first controlled magnetic axis is different from a second interparticle distance of each second controlled magnetic axis; and wherein said applying a magnetic field to the multiple patterns and said scanning of the multiple patterns are occurred simultaneously and are performed by a magnetic sensor. |
