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Stability
Introduction
·The linear elastic deformation follows Hooke's law:
= E
eff
·The E
is the effective Young's modulus, which
eff
corresponds to either 2D or 3D stress:
·The mechanical property difference of two adjacent layers
is defined as
Dundurs' (elastic mismatch) parameter:
E
- E
eff 1
,
eff ,2
=
Ex. ITO on a polymer, 1.
E
+ E
eff 1
,
eff ,2