Near-Field Scanning Electron Spin Resonance Microscopy

Authors

M. Ikeya, Osaka University
M. Furusawa, Osaka University
M. Kasuya, Osaka University

Abstract

Electron spin resonance (ESR) images were obtained by scanning samples over an aperture of a microwave cavity. A spatial resolution of 0.2 mm, which is below both the wavelength of the electromagnetic wave (~3 cm) and the diameter of the aperture (1 mm), was obtained by using a deconvolution algorithm. Resolution of three dots within a 1 mm diameter was demonstrated using a test sample. Microscopic images of spin concentration of Gd³⁺ impurity before and after deconvolution are shown using a natural single crystal of zircon (ZrSiO₄) with a zonal structure. ESR images of Jurassic carbonate fossils of crinoid and ammonite are shown.

Recommended Citation

Ikeya, M.; Furusawa, M.; and Kasuya, M. (1990) "Near-Field Scanning Electron Spin Resonance Microscopy," Scanning Microscopy: Vol. 4: No. 2, Article 4.
Available at: https://digitalcommons.usu.edu/microscopy/vol4/iss2/4