High-frequency electron spin resonance system using a microcantilever and a pulsed magnetic field

E. Ohmichi, N. Mizuno, M. Kimata, H. Ohta, T. Osada

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)

Abstract

A novel technique of high-frequency electron spin resonance (ESR) in a pulsed magnetic field is presented. Our technique is based on the magnetic detection of a magnetization change associated with the ESR absorption using a microcantilever. We successfully observed ESR signals of a microcrystal (mass∼1 μg) in the millimeter-wave region up to 130 GHz in pulsed magnetic fields of up to 2.4 T. This result corresponds to the spin sensitivity of ∼ 1011 spins/G, which is four orders of magnitude better than that of conventional transmission-type ESR techniques.

Original languageEnglish
Article number013904
JournalReview of Scientific Instruments
Volume80
Issue number1
DOIs
Publication statusPublished - 2009 Feb 9
Externally publishedYes

ASJC Scopus subject areas

  • Instrumentation

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