【作者】 陈长鹏； 黄勇； 朱懿； 宋佩君；

【Author】 CHEN Changpeng;HUANG Yong;ZHU Yi;SONG Peijun;School of Physics and Mechanics, Wuhan University of Technology;

【机构】 武汉理工大学物理与力学学院；

【摘要】 在大学物理实验课程教学中,巨磁阻效应实验因其理论的高度抽象性和实验过程的复杂性,致使教学面临诸多困难,传统实验讲授模式难以助力学生形成深层认知。ETA物理认知模型(估计、跟踪、分析)为解决复杂物理概念教学问题开辟了新途径。本研究旨在验证ETA模型在巨磁阻效应及其应用实验课程教学中的有效性,并提出可推广的教学策略。通过相关教学实践与研究发现,ETA模型借助感知推理学习闭环,显著提升了学生对自旋散射,巨磁阻效应及传感应用等概念和技术的理解深度。研究成果有望为理工类本科生大学物理实验教学提供新的思路与方法借鉴。更多还原

【Abstract】 In the teaching of college physics laboratory courses, the giant magnetoresistance(GMR) effect experiment poses many difficulties due to the high abstraction of its theory and the complexity of the experimental process. Traditional experimental teaching models fail to help students form a deep understanding. The ETA(Estimate, Track, Analyze) physics cog-nition model offers a new approach to teaching complex physical concepts. This study aims to verify the effectiveness of the ETA model in teaching the GMR effect and its applications, and to propose teachable strategies that can be widely applied. Through relevant teaching practices and research, it has been found that the ETA model, through a perception-reasoning-learning closed loop, significantly enhances students’ understanding of concepts and technologies such as spin scattering, the GMR effect, and sensor applications. The research findings are expec-ted to provide new ideas and methodological references for the teaching of college physics experiments for undergraduate students in science and engineering.更多还原