FT-ESR measurements on BDPA by Pulsed ESR using a gyrotron as high-power millimeter wave source

Mitsudo, S.; Kono, K.; Dono, K.; Hayashi, Kaihei; Ishikawa, Yuko; Fujii, Yutaka

doi:10.1109/irmmw-thz.2019.8874493

Cited by 3 publications

(1 citation statement)

References 3 publications

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“…This is consistent with what was previously observed also in Ref. [22,40,41] for ESR spectroscopy of similar samples of BDPA diluted in Polystyrene. We report in Fig.…”

Section: Continuous Wave Transmission Spectroscopy With Iarssupporting

confidence: 93%

Coupling Sub-nanoliter BDPA Organic Radical Spin Ensembles with YBCO Inverse Anapole Resonators

et al. 2022

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We report the development and test of planar microwave Inverse Anapole Resonators (IARs) made of superconducting Yttrium Barium Copper Oxide (YBCO) for electron spin resonance spectroscopy on small samples. We first characterize our resonators in zero field and then by carrying out transmission spectroscopy on a diluted α, γ-bisdiphenylene-βphenylally (BDPA) organic radical spin ensemble in an applied magnetic Superconducting YBCO Anapole Resonators field. These IARs allow us to carry out electron spin resonance spectroscopy both in Continuous-Wave and Pulsed-Wave mode, and to estimate the spin memory time of BDPA. The comparison with the results obtained for the same sample on typical linear coplanar resonators shows an improvement by ≈ 2 -up to 3 -orders of magnitude in spin sensitivity, with effective sensing volumes below 1 nanoliter. The best sensitivity we achieved is S ≈ 10 7 spin/ √ Hz in the Pulsed-Wave regime. These results compare well with similar experiments reported in literature.

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“…This is consistent with what was previously observed also in Ref. [22,40,41] for ESR spectroscopy of similar samples of BDPA diluted in Polystyrene. We report in Fig.…”

Section: Continuous Wave Transmission Spectroscopy With Iarssupporting

confidence: 93%

Coupling Sub-nanoliter BDPA Organic Radical Spin Ensembles with YBCO Inverse Anapole Resonators

et al. 2022

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Novel and Emerging Applications of the Gyrotrons Worldwide: Current Status and Prospects

Sabchevski

Glyavin

Mitsudo

et al. 2021

J Infrared Milli Terahz Waves

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Coupling sub-nanoliter BDPA organic radical spin ensembles with YBCO inverse anapole resonators

Bonizzoni

Maksutoğlu

Ghirri

et al. 2022

Preprint

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We report the development and test of planar microwave Inverse Anapole Resonators (IARs) made of superconducting Yttrium Barium Copper Oxide (YBCO) for electron spin resonance spectroscopy on small samples. We first characterize our resonators in zero field and then by carrying out transmission spectroscopy on a diluted α, γ-bisdiphenylene-β-phenylally (BDPA) organic radical spin ensemble in an applied magnetic field. These IARs allow us to carry out electron spin resonance spectroscopy both in Continuous-Wave and Pulsed-Wave mode, and to estimate the spin memory time of BDPA. The comparison with the results obtained for the same sample on typical linear coplanar resonators shows an improvement by ≈ 2 - up to 3 - orders of magnitude in spin sensitivity, with effective sensing volumes below 1 nanoliter. The best sensitivity we achieved is S ≈ 107 spin/√Hz in the Pulsed-Wave regime. These results compare well with similar experiments reported in literature.

show abstract

FT-ESR measurements on BDPA by Pulsed ESR using a gyrotron as high-power millimeter wave source

Cited by 3 publications

References 3 publications

Coupling Sub-nanoliter BDPA Organic Radical Spin Ensembles with YBCO Inverse Anapole Resonators

Coupling Sub-nanoliter BDPA Organic Radical Spin Ensembles with YBCO Inverse Anapole Resonators

Novel and Emerging Applications of the Gyrotrons Worldwide: Current Status and Prospects

Coupling sub-nanoliter BDPA organic radical spin ensembles with YBCO inverse anapole resonators

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