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Title of Journal: Appl Phys B

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Abbravation: Applied Physics B

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Springer-Verlag

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1432-0649

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Theoretical predictions of photonic properties of

Authors: T Sun D Zhu Z Yang Z Liu Y Liu
Publish Date: 2005/09/29
Volume: 82, Issue: 1, Pages: 89-92
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Abstract

Block copolymers BCPs which selforganize into ordered 1 2 and 3dimensional periodic equilibrium structures can exhibit photonic band gaps PBGs In this paper cylinder microdomain nanoporous films are proposed to be treated as a new kind of 2dimensional BCP based photonic crystal The minor component of the nanoporous films has been removed chemically with only pores left in order to enhance their dielectric constant contrast which provides a new solution to achieve necessary PBG properties with BCPs The finitedifference timedomain FDTD method is used to investigate band features of this kind of photonic crystal theoretically It is noted that the complete band gaps for the H polarization are obtained although for the E polarization only the incomplete gaps exist In addition the gap map of the PBG materials is presented and its characteristics are analyzed

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