Chemistry Reference
In-Depth Information
a
H
3
C
(CH
2
)
9
O
N
O
O
[130]
HC
CH
E
E
b
E
E
c
Cl
O
O
O
O
(CH
2
)
8
O
O
(CH
2
)
8
[169]
E
Fig. 14 Ferroelectricity in LCs. (a) In the smectic-C* phase an electric field (E) can reverse the tilt
and thereby the direction of the polar axis perpendicular to the tilt direction. (b) Application of an
electric field to a chiral smectic-A* phase induces a tilt of the molecules and thereby a polar
structure. (c) In an aligned bent-core nematic phase a dipole is present in the direction of the kink.
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