Abstract
AbstractA new class of pulsed EPR experiments, based on FID‐detected hole‐burning, is introduced. A transient spectral hole burnt into an inhomogeneously broadened EPR line by means of a selective microwave pulse is shifted or broadened by different types of perturbations and is subsequently recorded in a single experiment via an FID following a nonselective microwave pulse. The proposed approach often exceeds corresponding electron spin‐echo experiments with respect to sensitivity and resolution. A number of applications of the FID‐detected hole‐burning technique are discussed and the predicted features of the new experiments are verified by model calculations and experiments.
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