Kinetic Pathway of Gyroid-to-Cylinder Transition in Diblock Copolymer Melt under an Electric Field

2007 ◽  
Vol 40 (8) ◽  
pp. 2928-2935 ◽  
Author(s):  
Dung Q. Ly ◽  
Takashi Honda ◽  
Toshihiro Kawakatsu ◽  
Andrei V. Zvelindovsky
Keyword(s):  
Electric Field ◽  
Diblock Copolymer

External Potential Dynamics Simulation of Morphological Transitions in Diblock Copolymer Melt under an Electric Field

2014 ◽  
Vol 915-916 ◽  
pp. 545-548 ◽  
Author(s):  
Juan Juan Fan ◽  
Wei Li ◽  
Zhen Dong Pan ◽  
Min Fei Shi
Keyword(s):  
Electric Field ◽  
External Electric Field ◽  
Diblock Copolymer ◽  
External Potential ◽  
Dynamics Simulation ◽  
Morphological Transitions ◽  
Cylindrical Phase

In this study, we study morphological transitions of diblock copolymer subjected to an applied external electric field by means of external potential dynamics simulation. With this method, the lamellar and the cylindrical phase aligned along the electric field directions are presented, and the kinetic pathways of lamellae are investigated.

Electric Field Induced Sphere-to-Cylinder Transition in Diblock Copolymer Thin Films

2004 ◽  
Vol 37 (18) ◽  
pp. 6980-6984 ◽  
Author(s):  
Ting Xu ◽  
A. V. Zvelindovsky ◽  
G. J. A. Sevink ◽  
Oleg Gang ◽  
Ben Ocko ◽  
...  
Keyword(s):  
Thin Films ◽  
Electric Field ◽  
Diblock Copolymer

Effect of ionic impurities on the electric field alignment of diblock copolymer thin films

2004 ◽  
Vol 282 (8) ◽  
pp. 927-931 ◽  
Author(s):  
Julie Leiston-Belanger ◽  
Thomas P. Russell ◽  
Ting Xu ◽  
James T. Goldbach
Keyword(s):  
Thin Films ◽  
Electric Field ◽  
Diblock Copolymer ◽  
Ionic Impurities

Electric-field-induced lamellar to hexagonally perforated lamellar transition in diblock copolymer thin films: kinetic pathways

2016 ◽  
Vol 18 (36) ◽  
pp. 25609-25620 ◽  
Author(s):  
Arnab Mukherjee ◽  
Kumar Ankit ◽  
Andreas Reiter ◽  
Michael Selzer ◽  
Britta Nestler
Keyword(s):  
Thin Films ◽  
Block Copolymer ◽  
Electric Field ◽  
Diblock Copolymer ◽  
Substrate Interaction ◽  
Symmetric Block

In this work, the confluence of an electric field, substrate interaction and confinement is shown to induce a parallel lamellar to hexagonally perforated lamellar transition in symmetric block-copolymer thin films.

Electric Field Induced Control of Thin Film Diblock Copolymer Domain Orientation

1996 ◽  
Vol 461 ◽  
Author(s):  
T. L. Morkved ◽  
W. A. Lopes ◽  
M. Lu ◽  
A. M. Urbas ◽  
H. M. Jaeger ◽  
...  
Keyword(s):  
Thin Films ◽  
Electric Field ◽  
Electric Fields ◽  
Diblock Copolymer ◽  
Diblock Copolymers ◽  
Quantitative Measure ◽  
Domain Orientation ◽  
External Electric Fields ◽  
Silicon Nitride Membrane ◽  
Field Lines

ABSTRACTLocal control of domain orientation in diblock copolymer thin films is demonstrated through the use of external electric fields. Thin films of a polystyrene-polymethylmethacrylate diblock copolymers, denoted P(S-b-MMA), were spin coated onto silicon nitride membrane substrates with prefabricated in-plane electrodes, forming cylindrical PMMA microdomains. Films annealed under an applied electric field (E ≤ 37V/μm) at 250°C for 24h under an argon atmosphere showed an alignment of the cylindrical microdomains parallel to the electric field lines. A quantitative measure of the degree of alignment was obtained by correlating the local field strength, E, and direction with the observed cylinder orientation. The alignment was found to saturate above E≈30V/μm, and to decrease rapidly as E falls below this value.

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