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Search Publications by: Sushil K Satija (Fed)

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Displaying 1 - 25 of 170

Swelling of Star Polymer Thin Films Exposed to Supercritical Carbon Dioxide

March 14, 2024
Author(s)
Ayse Caglayan, Sushil Satija, David Uhrig, Kunlun Hong, Tadanori Koga, Bulent Akgun
Impact of polymer chain architecture on the swelling of supported single-layer polymer thin films with thicknesses below 80 nm in the presence of supercritical CO2 (scCO2) is investigated using in-situ neutron reflectivity (NR) and exsitu x-ray

Impact of the Amphoteric Nature of a Chelating Surfactant on its Interaction with an Anionic Surfactant: A Surface Tension and Neutron Reflectivity Study of Binary Mixed Solutions

March 12, 2024
Author(s)
Ida Svanedal, Hakan Edlund, Magnus Norgren, Sushil Satija, Adrian Rennie
2-Dodecyldiethylenetriaminepentaacetic acid (C12-DTPA) is a chelating, amphoteric surfactant with a bulky headgroup containing eight pH-responsive groups. The hypothesis was that the amphoteric nature of the chelating surfactant would affect the

Chemically Amplified Photoresists Fundamental Properties and Limits of Applicability to Sub-100 nm Lithography

October 12, 2021
Author(s)
D M. Goldfarb, Eric K. Lin, Christopher Soles, B C. Trinque, S D. Burns, Ronald L. Jones, Joseph~undefined~undefined~undefined~undefined~undefined Lenhart, M Angelopoulos, C G. Wilson, Sushil K. Satija, Wen-Li Wu
State-of-the-art lithographic technologies combine chemically amplified photoresists and sophisticated radiation sources to delineate patterned areas with high spatial resolution, enabling the fabrication of continually decreasing feature sizes in the

Position-Dependent Diffusion Dynamics of Entangled Polymer Melts Nanoconfined by Parallel Immiscible Polymer Films

October 9, 2020
Author(s)
Kyong-Il Jo, Yonghoon Oh, Tae-Ho Kim, Joona Bang, Guangcui Yuan, Sushil K. Satija, Bong J. Sung, Jaseung Koo
The morphological structure and dynamics of confined polymers adjacent to the polymer–polymer interface have a profound effect on determining the overall physical properties of polymer blends. We measured the diffusion dynamics of polymethylmethacrylate

Effect of Molecular Weight and Layer Thickness on the Dielectric Breakdown Strength of Neat and Homopolymer Swollen Lamellar Block Copolymer Films

July 31, 2020
Author(s)
Saumil Samant, Monali Basutkar, Maninderjeet Singh, Ali Masud, Christopher A. Grabowski, Kim Kisslinger, Joseph Strzalka, Guangcui Yuan, Sushil K. Satija, Ikeoluwa Apata, Dharmaraj Raghavan, Michael Durstock, Alamgir Karim
Designing next generation light-weight pulsed power sources hinges on understanding the factors influencing the performance of high energy density storage materials. In prior work, we demonstrated the use of Cold Zone Annealing with Soft Shear (CZA-SS) as

Spatial Distribution of PEO-PPO-PEO Block copolymer and PEO Homopolymer in Lipid Bilayers

April 7, 2020
Author(s)
Mihee Kim, Frank Heinrich, Greg Haugstad, Guichuan Yu, Guangcui Yuan, Sushil K. Satija, Wenjia Zhang, Hannah S. Seo, Joseph M. Metzger, Samira M. Azarin, Timothy P Lodge, Benjamin J. Hackel, Frank S. Bates
Maintaining the integrity of cell membranes is indispensable for cellular viability. Poloxamer 188 (P188), a poly(ethylene oxide)-b-poly(propylene oxide)-b-poly(ethylene oxide) (PEO-PPO-PEO) triblock copolymer with a number average molecular weight of 8

Enhanced Dynamics of Confined Polymers near the Immiscible Polymer-Polymer Interface: Neutron Reflectivity Studies

February 18, 2020
Author(s)
Kyoung-Il Jo, Younghoon Oh, Bong June Sung, Tae-Ho Kim, Min Seop Um, Woo Jin Choi, Joona Bang, Guangcui Yuan, Sushil K. Satija, Jaseung Koo
For polymer-blend films, local dynamics in confined polymer domains tend to differ from the bulk due to significant contributions from the polymer-polymer interface. Herein, we investigated the diffusion dynamics of entangled polymer thin films confined

Insertion of Dengue E into Lipid Bilayers Studied by Neutron Reflectivity Molecular Dynamics Simulations

February 13, 2018
Author(s)
Juan M. Vanegas, Frank Heinrich, David M. Rogers, Bryan D. Carson, Sadie La Bauve, Briana C. Vernon, Sushil K. Satija, Aihua Zheng, Margaret Kielian, Susan B. Rempe, Michael S. Kent
The envelope (E) protein of Dengue virus rearranges to a trimeric hairpin to mediate fusion of the viral and target membranes, which essential for infectivity. Insertion of E into the target membrane serves to anchor E and possibly also to disrupt local

Chain Conformation near the Buried Interface in Nanoparticle-Stabilized Polymer Thin Films

October 10, 2017
Author(s)
Deborah A. Barkley, Naisheng Jiang, Mani Sen, Maya K. Endoh, Jonathan G. Rudick, Tadanori Koga, Yugang Zhang, Oleg Gang, Guangcui Yuan, Sushil K. Satija, Daisuke Kawaguchi, Keiji Tanaka, Alamgir Karim
It is known that when nanoparticles are added to polymer thin films, they often migrate to the film-substrate interface and form an "immobile interfacial layer", which has been believed as the origin of suppression of dewetting. We here report an