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Publication
Physical Review B
Paper
Electron-energy-loss studies of dislocations in diamond
Abstract
Electron-energy-loss spectra recorded from very small volumes of diamond containing individual dislocations show extra intensity within the band gap just below the 1sto conduction-band threshold energy, when compared to spectra recorded from neighboring defect-free regions. This is interpreted as direct evidence for the presence of vacant defect states associated with the dislocation structure. The contribution of the * states from the surface layers to this region of the spectra is completely removed by calculating the difference between the spectra recorded on and off the defect. © 1989 The American Physical Society.