INVESTIGATION OF CHANGES IN HYPERFINE INTERACTION AND DEBYE-WALLER-FACTOR BY α-RADIATION SELF DAMAGE IN 241Am METALReport as inadecuate




INVESTIGATION OF CHANGES IN HYPERFINE INTERACTION AND DEBYE-WALLER-FACTOR BY α-RADIATION SELF DAMAGE IN 241Am METAL - Download this document for free, or read online. Document in PDF available to download.



Abstract : The Mössbauer emission spectrum of 241Am metal was investigated for influences of radiation self damage. Samples were kept continuously for 230 h at 4.2 K and spectra were taken each 10 to 20 h. No change in f-factor was observed, while the linewidth increased monotonically and reached saturation after ~ 180 h. The original width could be reproduced by a brief warming to room temperature. The increase in width reflects the change in quadrupole interaction due to the creation of lattice defects. The constancy of the f-factor indicates that the basic crystalline structure is retained.





Author: L. Asch W. Potzel G. Kalvius J .C. Spirlet W. Müller

Source: https://hal.archives-ouvertes.fr/



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