PII: S0168-9002(99)00134-5 Copyright © 1999 Elsevier Science B.V. All rights reserved.
Data analysis for inelastic nuclear resonant absorption experiments M. Y. Hu, , a, b, W. Sturhahna, T. S. Toellnera, P. M. Hessiona, c, J. P. Suttera, c and E. E. Alpa a Advanced Photon Source, Argonne National Laboratory, 431/D002, Argonne, IL 60439, USAb Northwestern University, Dept. of Physics and Astronomy, Evanston, IL 60208, USAc Purdue University, Dept. of Physics, West Lafayette, IN 47907, USA Received 3 December 1997; revised 10 December 1998. Available online 21 June 1999.
M. Y. Hu, , a, b, W. Sturhahna, T. S. Toellnera, P. M. Hessiona, c, J. P. Suttera, c and E. E. Alpa
Inelastic nuclear resonant absorption method has been applied to study lattice dynamics. The data evaluation procedure for such experiments using synchrotron radiation is presented. Various moments of the measured spectra provide model-independent information on vibrational excitations, such as the recoilless fraction, the average kinetic energy per nucleus, and the average force constant. In addition, the partial phonon density of states is extracted assuming a harmonic lattice model. A measurement performed on -iron is shown as an example.
PACS classification codes: 63.20.Dj; 82.80.Ej; 07.85.Qe
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Corresponding author. Tel.: +1-630-252-0168; fax: +1-630-252-0161; email: myhu@aps.anl.gov
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