TITLE

Electron spin resonance microscopic surface imaging using a microwave scanning probe

AUTHOR(S)
Sakran, F.; Copty, A.; Golosovsky, M.; Bontemps, N.; Davidov, D.; Frenkel, A.
PUB. DATE
March 2003
SOURCE
Applied Physics Letters;3/3/2003, Vol. 82 Issue 9, p1479
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report on a scanning electron-spin-resonance microscopy based on a microwave near-field probe. The probe consists of an open dielectric resonator with a thin-slit aperture. The spatial resolution in one direction is determined by the slit width and can be varied between 1 and 100 µm, while the spatial resolution in the perpendicular direction is ∼10 times larger. We demonstrate spatially-resolved measurements on diphenyl-picryl-hydrazil samples on a substrate. A sensitivity of 10[sup 11] spins could be achieved using a 4-µm-wide slit operating at 8.5 GHz and in a contact mode.
ACCESSION #
9176088

 

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