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Search Publications by: Paul Patrone (Fed)

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Displaying 26 - 35 of 35

High-speed, high-purity separation of gold nanoparticle-DNA origami constructs using centrifugation

July 23, 2014
Author(s)
Seung H. Ko, Luis F. Vargas Lara, Paul Patrone, Samuel Stavis, Francis W. Starr, Jack F. Douglas, James Alexander Liddle
DNA origami is a powerful platform for assembling gold nanoparticle constructs, an important class of nanostructure with numerous applications. Such constructs are assembled by the association of complementary DNA oligomers. These association reactions

Block-copolymer healing of simple defects in a chemoepitaxial template

April 11, 2013
Author(s)
Paul N. Patrone, Gregg M. Gallatin
Using a phase-field model of block copolymers (BCPs), we characterize how a chemoepitaxial template with parallel lines of arbitrary width affects the BCP microdomain shape. The model, which is an extension of the Leibler-Ohta-Kawasaki theory, accounts for

Modeling Line Edge Roughness in Templated, Lamellar Block Copolymer Systems

December 11, 2012
Author(s)
Paul N. Patrone, Gregg M. Gallatin
Block copolymers offer an appealing alternative to current lithographic techniques with re- gard to fabrication of next generation microprocessors. However, if copolymers are to be useful on an industrial manufacturing scale, they must meet or exceed

Modeling Line Edge Roughness in Lamellar Block Copolymer Systems

March 21, 2012
Author(s)
Paul N. Patrone, Gregg M. Gallatin
Block copolymers offer an appealing alternative to current lithographic techniques with regard to fabrication of the next generation micro- processors. However, if copolymers are to be useful on an industrial manufacturing scale, they must meet or exceed

Characterizing Equilibrium in Epitaxial Growth

February 20, 2012
Author(s)
Paul N. Patrone, Russel Caflisch, Dionisios Margetis
Using a kinetic model of epitaxial growth, we describe how geometry controls kinetic pathways through which external deposition influences the state of a vicinal surface. The state of the surface is determined by three key, adjustable parameters: the local

Anisotropic surface-state-mediated RKKY interaction between adatoms

January 18, 2012
Author(s)
Paul N. Patrone, T L. Einstein
Motivated by recent numerical studies of Ag on Pt(111), we derive a far-field expression for the RKKY interaction mediated by surface states on a (111) FCC surface. The main contribution to the interaction comes from electrons whose Fermi velocity is

Small fluctuations in epitaxial growth via conservative noise

July 7, 2011
Author(s)
Paul N. Patrone, Rongrong Wang, Dionisios Margetis
We study the combined effect of growth (material deposition from above) and nearest-neighbor entropic and force-dipole interactions in a stochastically perturbed system of N line defects (steps) on a vicinal crystal surface in 1+1 dimensions. First, we