<p>A signal observed out-of-phase with the microwaves in continuous wave EPR, predicted by theories in the early 1960’s, changed the then-existing paradigm to study Heisenberg spin exchange of radicals in solution. This is a brief history of the importance and use of that signal, which we call DIS. Since those early days, several important paradigm changes have occurred, all requiring a role for DIS. We outline our perception of those changes.</p>

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A Brief History of DIS

  • Barney L. Bales,
  • Robert N. Schwartz,
  • Miroslav Peric

摘要

A signal observed out-of-phase with the microwaves in continuous wave EPR, predicted by theories in the early 1960’s, changed the then-existing paradigm to study Heisenberg spin exchange of radicals in solution. This is a brief history of the importance and use of that signal, which we call DIS. Since those early days, several important paradigm changes have occurred, all requiring a role for DIS. We outline our perception of those changes.