Improvements in Depth Selective Electron Mössbauer Spectroscopy

Improvements in Depth Selective Electron Mössbauer Spectroscopy

“…The method is obviously promising for low-temperature investigations of nanosystems and nanostructures that contain Mössbauer nuclei and became highly topical owing to the development of nanotechnology [15]. There are in progress tests and developments of the procedure for realization of such investigations at a combined installation 'electron spectrometer-nuclear gamma-resonance spectrometer' using model nanolayer samples.…”

“…Although, the magnetic sector electron spectrometer [3] with a sample at the boundary of the magnetic gap corresponds to maximum solid angle, but thoroughly calculated prospective symmetrical variant of the spectrometer (see Figure 2) at small loss in solid angle allows, due to the arrangement of a sample outside of the interpolar gap, to realize more completely the possibilities of the method [12]. First of all, this refers to organization of experiments in any geometry; secondly, to carrying out of investigations in wide temperature range including low temperatures; thirdly, to preparation and modification of investigated nanolayers; and finally, to the possibility to detect gamma-quanta passing through a sample.…”

“…improves achieved depth resolution. So, using multi-strip sources of various widths there was experimentally found 2 optimal width for the multi-strip source that comprised 12 mm to provide the highest depth resolution [11].…”