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Low temperature synthesis and properties of lithium niobate thin films

✍ Scribed by Joshi, V.; Roy, D.; Mecartney, M. L.

Book ID
111935519
Publisher
American Institute of Physics
Year
1993
Tongue
English
Weight
643 KB
Volume
63
Category
Article
ISSN
0003-6951

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Low-temperature properties of thin films
Low-temperature properties of thin films
✍ B.S. TosΜ†iΔ‡; J.P. SΜ†etrajcΜ†iΔ‡; D.Lj. MirjaniΔ‡; Z.V. Bundalo πŸ“‚ Article πŸ“… 1992 πŸ› Elsevier Science 🌐 English βš– 435 KB

It is shown that phonons in this films, "cut off" from a simple lattice, possess a gap whose magnitude depends upon the thickness of the film. Due to the presence of the gap, the specific heat of the film for T~-0 changes approximately as T l exp(-const/T). This behaviour of the specific heat can be