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Citation: Kangyu Shen, Jia Luo, Ying Qiu, Yan Wang, Chaochao Li, Mingli Peng, Zhe Liu, Kefen Yue, Haiming Fan. 振动样品磁强计在磁化率测量中的应用[J]. University Chemistry, ;2026, 41(10): 277-286. doi: 10.12461/PKU.DXHX202510006 shu

振动样品磁强计在磁化率测量中的应用

College of Chemistry and Materials Science, Northwest University, Xi'an 710127, Shaanxi Province, China

Corresponding author: Mingli Peng, Haiming Fan,
Received Date: 9 October 2025
Accepted Date: 24 November 2025

古埃磁天平法测定配合物磁化率是大多数高校物理化学实验中常用的测定磁化率方法，具有设备简单、操作容易等特点。但其繁琐的数据处理和大样品量的需求，无法满足近年来磁性材料发展的需求。而振动样品磁强计(VSM)因其具有结构简单、精确可靠、测试方便、样品用量少以及用途广泛等优点而成为检测物质内禀磁特性的通用设备。作为表征材料静态磁特性最常用的设备之一，VSM也成为高等学校和科研院所的常见仪器设备。因此，将振动样品磁强计用于本科物理化学实验教学中，不仅能够拓展物理化学实验的前沿性，加强实验教学与科研的紧密结合度，也能提高学生对于物质磁学性能的认识。本文介绍了VSM的工作原理，对VSM测定磁化率的试剂、实验方法和操作步骤进行说明；结合VSM数据处理，对古埃磁天平法和VSM测定配合物磁化率的实验结果进行对比，从而说明VSM测定配合物磁化率的特点；通过绘制超顺磁性纳米材料Fe₃O₄磁滞回线，介绍超顺磁性的概念以及定义，拓展了学生对材料磁学性质的认识范围，培养学生对磁性材料的研究兴趣。
- Magnetic susceptibility,
- Gouy magnetic balance,
- Vibrating sample magnetometer,
- Hysteresis loop,
- Superparamagnetics
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