Published 1976
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Interstitial diffusion in crystal and the Moessbauer effect
Description
The role of different vibrational states of a crystal is taken into account in the model of interstitial uncorrelated jumps. The relation of the diffusion coefficient for an interstitial with probabilities of jumps is found. The cross section for resonant absorption of γ-quanta by a nucleus of a diffusing atom in a crystal is calculated. The existence of vibrational levels is shown to lead to less broadening and intensity of the Moessbauer line than those predicted by the simple model of jumps. The absorption line shape for atom jumping through octahedral sites in bcc lattice is investigated
Availability note (English)
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Additional details
Additional titles
- Original title (Russian)
- Диффузия примеси внедрения в кристалле и ее проявление в эффекте Мессбауэра
Publishing Information
- Imprint Pagination
- 13 p.
- Report number
- KIYI--76-12
INIS
- Country of Publication
- USSR
- Country of Input or Organization
- USSR
- INIS RN
- 9366404
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- ABSORPTION SPECTRA; BCC LATTICES; CROSS SECTIONS; DEBYE-WALLER FACTOR; DIFFUSION; INTERSTITIALS; LATTICE VIBRATIONS; LINE BROADENING; MOESSBAUER EFFECT; STOCHASTIC PROCESSES; VIBRATIONAL STATES
- Descriptors DEC
- CRYSTAL DEFECTS; CRYSTAL LATTICES; CRYSTAL STRUCTURE; CUBIC LATTICES; ENERGY LEVELS; EXCITED STATES; POINT DEFECTS; SPECTRA
Optional Information
- Notes
- 28 refs.; 4 figs.