Current Trends in VCO-Based EPR

In this article we provide an overview of chip-integrated voltage-controlled oscillator (VCO)-based EPR detection as a new paradigm in EPR sensing. After a brief motivation for this alternative detection method, we provide a self-contained overview of the detection principle, both for continuous-wav...

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Bibliographic Details
Published in:Applied magnetic resonance 2024-09, Vol.55 (9), p.1065-1089
Main Authors: Kern, Michal, Chu, Anh, Anders, Jens
Format: Article
Language:English
Subjects:
Atoms and Molecules in Strong Fields
CMOS
Continuous radiation
Electronics
Experiments
Laser Matter Interaction
Metal oxides
NMR
Nuclear magnetic resonance
Organic Chemistry
Physical Chemistry
Physics
Physics and Astronomy
Receivers & amplifiers
Review
Semiconductors
Sensors
Solid State Physics
Spectroscopy/Spectrometry
State-of-the-art reviews
Transistors
Trends
Voltage controlled oscillators
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Description
Summary:In this article we provide an overview of chip-integrated voltage-controlled oscillator (VCO)-based EPR detection as a new paradigm in EPR sensing. After a brief motivation for this alternative detection method, we provide a self-contained overview of the detection principle, both for continuous-wave and pulsed detection. Based on this introduction, we will highlight the advantages and disadvantages of VCO-based detection compared to conventional resonator-based detection. This is followed by an overview of the current state of the art in VCO-based EPR and interesting emerging applications of the technology. The paper concludes with a brief summary and outlook on future research directions.
ISSN:0937-9347
1613-7507
DOI:10.1007/s00723-024-01698-0