Dynamic Nuclear Polarization

This lecture introduces the concept of Dynamic Nuclear Polarization (DNP) in magnetic resonance, focusing on the interaction between electron and nuclear spins, inhomogeneous ESR width, and nuclear spin diffusion. The instructor discusses the key steps in DNP, such as Zeeman effect, hyperfine interactions, and dipolar interactions, highlighting the importance of efficient nuclear spin diffusion and the impact of electron concentration on the process. Various properties of electron and nuclear spins are explored, emphasizing the significance of understanding the bleaching phenomenon and the highest DNP probability. The lecture concludes with a summary of electron and nuclear spin properties, underscoring the essential role of DNP in enhancing signal sensitivity in magnetic resonance.