High sensitive detection of sub-THz ESR using the cantilever and the pulsed magnetic field

H. Ohta, M. Kimata, S. Okubo, E. Ohmichi, T. Osada

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We have succeeded in observing electron spin resonance (ESR) in the sub-THz region using the cantilever and the pulsed magnetic field for the first time. ESR measurement beyond 0.5 THz, whose resonance field is about 18 T for the typical g-value of g=2, requires the pulsed magnetic field which enables the field beyond the maximum field of the superconducting magnet. High sensitive sub-THz ESR is very important for applications to various fields, such as molecular nano-magnets, EL materials, metal proteins etc., because it has many advantages like the high spectral resolution, observation of short relaxation materials, and observation beyond the zero-filed splitting etc. As the conventional metal cavity technique, which is the typical high sensitive detection technique for the conventional X-band (9 GHz) ESR, is difficult in the pulsed magnetic field, the high sensitive detection using the cantilever is a breakthrough for the future high sensitive THz ESR which definitely requires the pulsed magnetic field.

Original languageEnglish
Title of host publicationThe Joint 30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics, 2005. IRMMW-THz 2005
Pages417-418
Number of pages2
Publication statusPublished - 2005 Dec 1
Externally publishedYes
Event30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics, 2005. IRMMW-THz 2005 - Williamsburg, VA, United States
Duration: 2005 Sep 192005 Sep 23

Publication series

NameThe Joint 30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics, 2005. IRMMW-THz 2005
Volume2

Other

Other30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics, 2005. IRMMW-THz 2005
CountryUnited States
CityWilliamsburg, VA
Period05/9/1905/9/23

ASJC Scopus subject areas

  • Engineering(all)

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    Ohta, H., Kimata, M., Okubo, S., Ohmichi, E., & Osada, T. (2005). High sensitive detection of sub-THz ESR using the cantilever and the pulsed magnetic field. In The Joint 30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics, 2005. IRMMW-THz 2005 (pp. 417-418). [1572590] (The Joint 30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics, 2005. IRMMW-THz 2005; Vol. 2).