The DOI matches its Crossref record; 12 of the 12 references it cites were found in a registry or an index.
Isotope scattering of dispersive phonons in Ge
Open accessAbstract
With the use of a lattice-dynamical model which reproduces observed phonon dispersion curves very accurately, the isotope scattering of near-zone-boundary acoustic phonons in Ge is investigated theoretically. We show that the lattice dispersion which becomes appreciable in the THz-frequency region leads to the phonon relaxation time that decreases more rapidly than ${\ensuremath{\omega}}^{\ensuremath{-}4}$. This deviation from the ${\ensuremath{\omega}}^{\ensuremath{-}4}$ dependence (the ${\ensuremath{\omega}}^{\ensuremath{-}4}$ behavior is predicted by the continuum elasticity theory) amounts to about 20% at 1 THz and is enhanced heavily at the zone boundaries. Calculations are based on the lowest-order perturbation theory. Higherorder corrections are estimated as well and shown to be negligibly small.
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Citations
Cites
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First-principles Phonon Calculations with Phonopy and Phono3py
Togo, A. (2023) · Journal of the Physical Society of Japan · doi:10.7566/jpsj.92.012001 · Cited by 1,865
Nanoscale thermal transport. II. 2003–2012
Cahill, D. G., Braun, P. V., Chen, G., Clarke, D. R., Fan, S., Goodson, K. E., Keblinski, P., King, W. P., Mahan, G. D., Majumdar, A., et al. (2014) · Applied Physics Reviews · doi:10.1063/1.4832615 · Cited by 1,763
Distributions of phonon lifetimes in Brillouin zones
Togo, A., Chaput, L., & Tanaka, I. (2015) · Physical Review B · doi:10.1103/physrevb.91.094306 · Cited by 1,517
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Metadata
- Authors
- Tamura, S.-I.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 1983-01-15
- Volume
- 27
- Issue
- 2
- Pages
- 858-866
- ISSN
- 0163-1829 (ISSN-L)
- OpenAlex
- W2090077753
- Cited by
- 567
- References
- 12
- FWCI
- 4.41
- Type
- journal article
- Language
- en
- Open access
- bronze
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