In situ magnetization switching of magnetic probes applied to spin-polarized scanning tunneling microscopy | Zendy

Pin-Jui Hsu | Zendy; Chun-I Lu | Zendy; SzuWei Chen | Zendy; Wang-Jung Hsueh | Zendy; Yu-Hsun Chu | Zendy; ChuangHan Hsu | Zendy; C. J. Butler | Zendy; MinnTsong Lin | Zendy

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In situ magnetization switching of magnetic probes applied to spin-polarized scanning tunneling microscopy

Author(s) -

Pin-Jui Hsu,

Chun-I Lu,

SzuWei Chen,

Wang-Jung Hsueh,

Yu-Hsun Chu,

ChuangHan Hsu,

C. J. Butler,

MinnTsong Lin

Publication year - 2010

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3380711

Subject(s) - magnetization , scanning tunneling microscope , magnetic force microscope , condensed matter physics , magnetic domain , spin polarized scanning tunneling microscopy , materials science , single domain , magnetic field , spin (aerodynamics) , magnetic anisotropy , scanning tunneling spectroscopy , physics , quantum mechanics , thermodynamics

Soft magnetic tip was utilized to be the probe of spin-polarized scanning tunneling microscopy. It was demonstrated that the spin contrast can be reversed by in situ switching tip magnetization through varying tip-substrate distance for resolving perpendicular magnetic domain images. With this in situ magnetization direction switching of the soft magnetic tip, it is conceivable to separate magnetic from chemical and topographic contributions without applying external magnetic field. This provides an effective tool for the study of complex magnetic spin structures with various nonmagnetic impurities or compositions involved.

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