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    Nuclear resonant scattering is a technique to probe internal magnetic and electric fields. NRS can be seen as the Fourier transform of Mössbauer spectroscopy, it goes from energy domain to time domain. Synchrotron radiation is used to excite all hyperfine-split resonances in the sample at the same time. Subsequent decay releases various electromagnetic waves at slightly different frequencies, these wave interfere and reveal a beat pattern in the detected radiation. The waves form a superposition of the several frequencies. From these beat pattern information about the hyperfine interaction parameters can be deduced. This technique is depth sensitive and highly sensitive to the sample orientation.

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