Dimensional boundary between the nano- and volume status such that
a phonon with
a wave-length bigger than the Debye’s wave-length can not propagate
МЕТОДЫ СТРУКТУРНОЙ ФИЗИКИ В АСТРОНОМИИV.A. Liopo, S.S. Lipavetski, S.S. Sekerzhitsky,
V.A.
Struk,
A.V. Nikitin. Structural Physical