Acquisition of a SQUID (Superconducting Quantum InterferenceDevice) Magnetic Property Measurement System

布朗大学物理系、化学系和工程系正在研究这一超导量子干涉装置磁强计，使之能够对材料的磁性进行最先进的测量。该磁通检测系统和超导磁体能够在很宽的温度范围(1.8-400开尔文)和-5.5-+5.5特斯拉的磁场范围内测量磁化强度或磁化率，具有高灵敏度、分辨率、准确性和稳定性。该仪器特别适用于低磁场和小样品。它的大动态范围也能适应强磁场中的强铁磁性样品。

This Superconducting Quantum Interference Device Magnetometer enables state-of-the-art measurements of the magnetic properties of materials, under study in the Department of Physics, Department of Chemistry, and Division of Engineering at Brown University. The flux detection system and superconducting magnet are capable of measuring magnetization or susceptibility in a wide range of temperatures (1.8-400 Kelvins) and magnetic fields ranging from -5.5 to +5.5 Tesla, with high sensitivity, resolution, accuracy and stability. This instrument is particularly well suited to low magnetic fields and small samples. Its large dynamic range also accommodates strongly ferromagnetic samples in high magnetic fields.