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Search Publications by: Sushil K Satija (Fed)

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Displaying 51 - 75 of 170

Characterization of the non-uniform reaction in chemically-amplified calix[4]resorcinarene molecular resist thin films

July 19, 2011
Author(s)
Vivek M. Prabhu, Shuhui Kang, Regis J. Kline, Dean M. DeLongchamp, Daniel A. Fischer, Wen-Li Wu, Sushil K. Satija, Jing Sha, Christopher K. Ober, Peter V. Bonnesen
The ccc stereoisomer-purified tert-butoxycarbonyloxy (t-Boc) protected calix[4]resorcinarene molecular resists blended with photoacid generator exhibit a non-uniform photoacid catalyzed reaction in thin films. The surface displays a reduced reaction extent

Lateral Uniformity in Chemical Composition along a Buried Reaction Front in Polymers

November 15, 2010
Author(s)
Kristopher Lavery, Vivek Prabhu, Sushil K. Satija, Wen-Li Wu
Off-specular neutron reflectometry was applied to characterize the form and amplitude of lateral compositional variations at a buried reaction-diffusion front. In this work, off-specular neutron measurements were first calibrated using off-specular X-ray

Little Things Mean a Lot: Water and the Adhesive Bond

February 21, 2010
Author(s)
Donald L. Hunston, Kar T. Tan, Bryan D. Vogt, Sushil K. Satija, Cyril Clerici, David E. White
The ability of water to dramatically weaken many types of adhesive bonds has been widely studied. One surprising result is the existence of a critical moisture level in the bond. Above this level the strength drops to very low values. Numerous studies have

Solvent Retention In Thin Spin-Coated Polystyrene And Poly(Methyl Methacrylate) Homopolymer Films Studied By Neutron Reflectometry

January 19, 2010
Author(s)
Xiaohua Zhang, Kevin G. Yager, Shuhui Kang, Nathaniel J. Fredin, Bulent Akgun, Sushil K. Satija, Jack F. Douglas, Alamgir Karim, Ronald L. Jones
We utilize neutron reflectometry (NR) to probe the amount of residual solvent inside thin polystyrene (PS) and poly(methyl methacrylate) (PMMA) films spin-coated from deuterated toluene polymer solutions onto silicon substrates . The effect of thermal

Application of Thermal Gradients to Achieve Orientational Order in Block Copolymer Thin Films

August 18, 2009
Author(s)
Nathaniel J. Fredin, Brian Berry, Kevin G. Yager, Alamgir Karim, Sushil K. Satija, Deanna Pickel, Ronald L. Jones
The development of methods that permit control over the long-range order and orientation of microdomains in block copolymer (BCP) thin films for bottom-up approaches to nanoscale surface patterning is of great interest for many applications, including

Moisture Attack on Adhesive Joints: Roles of Adhesive and Interface Properties

July 22, 2009
Author(s)
Donald L. Hunston, Kar T. Tan, Sushil K. Satija, Christopher C. White, Bryan D. Vogt, Cyril Clerici
It is well-known that moisture will attack many adhesive joints. A particularly interesting feature is the observation that when the moisture level in certain systems exceeds a critical concentration, the bonded joint shows a dramatic loss of strength. A

Impact of polymer modulus on water accumulation at polymer / metal oxide interfaces

April 1, 2009
Author(s)
Alper Karul, Kar T. Tan, Christopher C. White, Donald L. Hunston, Steve marshall, Bulent Akgun, Sushil K. Satija, Christopher Soles, Bryan D. Vogt
Ambient moisture is known to accumulate at the interface between polymers and metal oxides, leading to detrimental consequences on physical properties such as modulus and adhesion. Direct measurement of the interfacial profile has utilized neutron
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