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Title: The nature of crystallographic defects in noncrystalline tubular network block copolymers
Defects are symmetry breaking features within a crystal. They can be created during growth as well as by applied mechanical forces. We address point, line and surface defects in block copolymer crystals, concentrating on the structure of defects in the tubular network double gyroid and double diamond phases. Experimental results using 3D slice and view scanning electron microscopic tomographic imaging for many types of defects are presented and the nature of the structural details and symmetries are described. Often defects are considered detrimental to the properties and performance of the material, but if the mesoscale defects in 3D periodic block copolymers can be controlled, they can be utilized to achieve various advantageous such as new optical functionalities.  more » « less
Award ID(s):
2105296
PAR ID:
10511718
Author(s) / Creator(s):
; ; ;
Publisher / Repository:
Elsevier
Date Published:
Journal Name:
Giant
Volume:
17
Issue:
C
ISSN:
2666-5425
Page Range / eLocation ID:
100216
Format(s):
Medium: X
Sponsoring Org:
National Science Foundation
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