A Scanning Hall Probe Microscope For Characterization Of Micro-magnets and mm-Sized Magnetic Structures

被引：0
|
作者：
Shaw, Gorky [1 ,2 ]
Kramer, Roman B. G. [1 ]
Dempsey, Nora. M. [1 ]
Hasselbach, Klaus [1 ]
机构：
[1] Univ Grenoble Alpes, CNRS, Inst Neel, F-38000 Grenoble, France
[2] KIIT, Sch Appl Sci, Dept Phys, Bhubaneswar 751024, Odisha, India
来源：
DAE SOLID STATE PHYSICS SYMPOSIUM 2018 | 2019年 / 2115卷
关键词：
HIGH-RESOLUTION;
D O I：
10.1063/1_5113049
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Here we present a scanning Hall probe microscope operated using tuning fork-based force detection technique. A unique feature of the microscope is the use of the same stepper motors for both sample positioning as well as scanning, which allows for a scan range of a few mm, with a scan resolution of 0.1 mu m. Scanning at different heights from the sample surface is possible, in a z range of 35 mm. A combination of micro-structured Hall probes (of size 1-5 mu m) and the tuning fork-based force detection has enabled achieving a minimum probe-sample distance < 2 mu m. We discuss the salient features of the microscope and its application for the study of micro-magnet arrays and larger magnetic structures.
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页数：4
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