Understanding how electric fields interact with molecular spins is critical for advancing quantum technologies. This review focuses on spin-electric coupling (SEC) in paramagnetic molecules. We examine how electric fields affect spin-Hamiltonian parameters, highlighting experimental techniques to investigate this phenomenon, such as electric field–modulated electron paramagnetic resonance and spin echo under pulsed electric fields. Key mechanisms, including spin-orbit coupling and through-bond interactions, are discussed across various systems, from lanthanides to frustrated spin triangles and helical chains. We present here recent studies demonstrating that SEC can induce measurable shifts in magnetic resonance spectra, revealing new strategies for electric field–based spin control. These insights pave the way for enhanced spin-based data storage and quantum computation, emphasizing the importance of symmetry, polarizability, and molecular design in optimizing SEC effects.
Perfetti et al. (Mon,) studied this question.
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