Scanning superconducting quantum interference device susceptometry

Scanning superconducting quantum interference device susceptometry
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DOI：
10.1063/1.1364668
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发表时间：
2001-05-01
期刊：
REVIEW OF SCIENTIFIC INSTRUMENTS
影响因子：
1.6
通讯作者：
Ketchen, MB
Ketchen, MB
中科院分区：
工程技术4区
文献类型：
--
作者：
Gardner, BW;Wynn, JC;Ketchen, MB

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我们报道了一台空间分辨率为8微米的扫描超导量子干涉器件(SQUID)微极谱仪，通过测量单个3微米直径锡盘的磁化率进行了测试。圆盘的图像与基于鱿鱼微感应计已知几何形状的数值模拟很好地吻合。扫描时1.5~6K的低场自旋灵敏度为1×10(5)mU(B)/根赫兹。(C)2001年美国物理研究所。
We report a scanning superconducting quantum interference device (SQUID) microsusceptometer with a spatial resolution of 8 mum, tested by measuring the susceptibility of individual 3 mum diam tin disks. Images of the disks agree well with numerical modeling based on the known geometry of the SQUID microsusceptometers. The low-field spin sensitivity between 1.5 and 6 K is 1x10(5) mu (B)/root Hz while scanning. (C) 2001 American Institute of Physics.