对于不同电流退火铁基非晶带材AGMI效应研究
Effect of Current Annealing on the AGMI Properties in Iron-Based Amorphous Ribbons
摘要: 本文研究了FeCuNbSiB非晶带材在不同退火电流下的磁阻抗效应。样品被分别施加不同的退火电流，在线性响应范围−325.57~11.63 A/m内观察到约0.9982%的线性拟合度，灵敏度达到0.81%/(A/m)，从而在零磁场与AGMI效应之间实现了宽线性度和高灵敏度的特点。旨在提供一种基于GMI效应的新型电流传感器用磁敏材料。根据XRD模式，样品中较高退火电流退火的B6Fe23硬磁相是AGMI效应的原因。
Abstract: This study investigates the magnetic impedance effect of FeCuNbSiB amorphous ribbon under varying annealing currents. Samples subjected to different annealing currents exhibited approximately 0.9982% linearity within the linear response range of −325.57 to 11.63 A/m, with a sensitivity of 0.81%/(A/m). These results demonstrate a wide linear range and high sensitivity between zero magnetic field and the AGMI effect, providing a novel magneto sensitive material for current sensors based on the GMI effect. XRD analysis indicates that the B6Fe23 hard magnetic phase formed at higher annealing currents is responsible for the AGMI effect.
文章引用：李金贵, 张子悦, 刘一兵, 毕才金, 陈博阳, 范晓珍, 方允樟. 对于不同电流退火铁基非晶带材AGMI效应研究[J]. 材料科学, 2026, 16(4): 45-49. https://doi.org/10.12677/ms.2026.164071

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