Physics – Condensed Matter – Materials Science
Scientific paper
2011-02-08
Physics
Condensed Matter
Materials Science
9 pages, 9 figures
Scientific paper
Paramagnetic centers in a solid-state environment usually give rise to inhomogenously broadened electron paramagnetic resonance (EPR) lines, making conventionally detected free induction decay (FID) signals disappear within the spectrometer dead time. Here, experimental results of an electrically detected FID of phosphorus donors in silicon epilayers with natural isotope composition are presented, showing Ramsey fringes within the first 150 ns. An analytical model is developed to account for the data obtained as well as for the results of analogous two-pulse echo experiments. The results of a numerical calculation are further presented to assess the capability of the method to study spin-spin interactions.
Brandt Martin S.
Dreher Lukas
Hoehne Felix
Huebl Hans
Lu Jinming
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