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원자제어 저차원 전자계 연구단
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Construction of a 3He magnetic force microscope with a vector magnet

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Title
Construction of a 3He magnetic force microscope with a vector magnet
Author(s)
Jinho Yang; Ilkyu Yang; Yun Won Kim; Dongwoo Shin; Juyoung Jeong; Dirk Wulferding; Han Woong Yeom; Jeehoon Kim
Publication Date
2016-02
Journal
REVIEW OF SCIENTIFIC INSTRUMENTS, v.87, no.2, pp.023704 -
Publisher
AMER INST PHYSICS
Abstract
We constructed a 3He magnetic force microscope operating at the base temperature of 300 mK under a vector magnetic field of 2-2-9 T in the x-y-z direction. Fiber optic interferometry as a detection scheme is employed in which two home-built fiber walkers are used for the alignment between the cantilever and the optical fiber. The noise level of the laser interferometer is close to its thermodynamic limit. The capabilities of the sub-Kelvin and vector field are demonstrated by imaging the coexistence of magnetism and superconductivity in a ferromagnetic superconductor (ErNi2B2C) at T = 500 mK and by probing a dipole shape of a single Abrikosov vortex with an in-plane tip magnetization. © 2016 AIP Publishing LLC
URI
https://pr.ibs.re.kr/handle/8788114/2469
ISSN
0034-6748
Appears in Collections:
Center for Artificial Low Dimensional Electronic Systems(원자제어 저차원 전자계 연구단) > Journal Papers (저널논문)
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