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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimir: 0040-2508
ISSN On-line: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v70.i7.60
pages 615-623

AUTOMATED SCANNING ESR-MICROSCOPE FOR INVESTIGATIONS ON THE MAGNETIC INHOMOGENEITY OF LOW‐PROFILE NANOSTRUCTURES

A. V. Varavin
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkov 61085
G. P. Ermak
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkiv 61085, Ukraine
M. I. Nakhimovich
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine
I. V. Popov
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkov 61085
S. I. Tarapov
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine; Kharkiv National University of Radio Electronics 14, Nauka Av, Kharkiv 61166, Ukraine; V. Karazin National University of Kharkiv, 4 Svobody Sq., Kharkiv 61077, Ukraine
B. A. Avramenko
National Technical University "Kharkiv Polytechnical Institute", Ukraine
A. G. Ravlik
National Technical University "Kharkov Polytechnical Institute", Ukraine
V. N. Samofalov
National Technical University "Kharkiv Polytechnical Institute", Ukraine

RESUMO

The design and experimental investigation of the automated scanning ESR microscope, detecting the magnetic inhomogeneity of low-profile magnets and ferromagnets by the method of the electron spin resonance (ESR) in the 30minus;45 GHz frequency band is represented. The strong static magnetic field in the specimen zone under investigation is formed using a special magnetic field concentrator. Mechanical displacement of the specimen relatively to the concentrator working gap with a minimum pitch of 1 μm is provided by the scanning of the static magnetic field on its surface. The first experimental data, which demonstrate the efficiency of the device operation, are presented and analyzed.


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