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8 DEVELOPMENT AND MULTI-FUNCTIONALIZATION OF HIGH-FUNCTIONAL SEPARATION MEMBRANES  APPLICATIONS




















                              (a) Without a voltage             (b) With a voltage
                  Figure 7.7
                  Pixel drive by applying a voltage to the AD-formed PZT film.



                     100
                             Annealed     Frensnel Refrection
                             at 450°C
                    Transmittance (%)  60  12 hrs.  6 hrs.  1.5 hrs.  PLZT optical waveguide
                      80


                      40
                      20                   As-recieved

                       0
                       300    600    900   1200   1500   1800                                 50μm
                                    Wavelength (nm)                     Si wafer
                  Figure 7.8
                  Wavelength spectra of transmissivity of AD-formed PLZT
                  films.
                                                                 Figure 7.9
                                   Reference                     Cross-sectional image of the optical waveguide with
                                                                 AD-formed PLZT film.
                     [1]  J. Akedo, M. Lebedev,  J. Crystal Growth,  235,
                     415–420 (2002).


                            APPLICATION 8

                    8       DEVELOPMENT AND MULTI-FUNCTIONALIZATION OF HIGH-FUNCTIONAL
                            SEPARATION MEMBRANES



                  A number of studies have been carried out on nanos-  1. Gas separation
                  tructured separation membranes, and gas and liquid
                  separation technologies have been developed. These  Gas separation membranes can be classified into non-
                  can be classified as shown in Fig. 8.1 [1] according to  porous membranes like high molecular membranes,
                  principles and scopes of application.          and porous membranes like inorganic membranes.

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