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Author: ronald jones
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1. Solvent Retention In Thin Spin-Coated Polystyrene And Poly(Methyl Methacrylate) Homopolymer Films Studied By Neutron Reflectometry
Published: 1/19/2010
Authors: Xiaohua Zhang, Kevin G. Yager, Shuhui Kang, Nathaniel J Fredin, Bulent Akgun, Sushil K Satija, Jack F Douglas, Alamgir Karim, Ronald Leland Jones
Abstract: 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 therma ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903220

2. Application of Thermal Gradients to Achieve Orientational Order in Block Copolymer Thin Films
Published: 8/18/2009
Authors: Nathaniel J Fredin, Brian Berry, Kevin G. Yager, Alamgir Karim, Sushil K Satija, Deanna Pickel, Ronald Leland Jones
Abstract: 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, includ ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902029

3. Orientational Order in Block Copoloymer Films Zone Annealed Below the Order-Disorder Transition Temperature
Published: 8/11/2008
Authors: Brian Berry, August W. Bosse, Jack F Douglas, Ronald Leland Jones, Alamgir Karim
Abstract: Cold zone annealing (CZA) is a thermal treatment involving pulling a thin block copolymer (BCP) film over a heated region having a temperature significantly above the glass-transition temperature, but well below the film order-disorder temperature. W ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852738

4. Facile Imaging of Giant Meso-Polymers Formed From Polymer Coated Magnetic Nanoparticles Using Fossilized Liquid Assembly
Published: 8/7/2008
Authors: Jason Benkoski, Steven Bowles, Ronald Leland Jones, Jack F Douglas, Jeffrey Pyun, Alamgir Karim
Abstract: Herein we report the ability to directly image the self-organization of polymer-coated ferromagnetic nanoparticles into one-dimensional mesostructures at a liquid-liquid interface. When polystyrene-coated Co nanoparticles (15 nm) are deposited at an ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852690

5. Line Width Roughness and Cross Sectional Measurements of Sub-50 nm Structures with CD-SAXS and CD-SEM
Published: 3/24/2008
Authors: Chengqing C. Wang, Ronald Leland Jones, Kwang-Woo Choi, Christopher L Soles, Eric K Lin, Wen-Li Wu, James S Clarke, John S Villarrubia, Benjamin Bunday
Abstract: Critical dimension small angle x-ray scattering (CD-SAXS) is a measurement platform which is capable of measuring the average cross section and sidewall roughness in patterns ranging from (10 to 500) nm in pitch with sub nm precision. These capabili ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=853580

6. Block Copolymer Ordering With a Spatiotemporally Inhomogeneous Mobility
Published: 11/20/2007
Authors: August W. Bosse, Jack F Douglas, Brian Berry, Ronald Leland Jones, Alamgir Karim
Abstract: Motivated by recent measurements of zone annealing in block copolymer films at low temperatures, we implement a spatiotemporal mobility gradient with intrinsic variations associated with dynamic heterogeneities in the saddle point relaxation of a dib ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852741

7. The Direct Patterning of Nanoporous Interlayer Dielectric Insulator Films by Nanoimprint Lithography
Published: 10/2/2007
Authors: Hyun Wook Ro, Ronald Leland Jones, H Peng, Daniel R. Hines, Hae-Jeong Lee, Eric K Lin, Alamgir Karim, Do Y. Yoon, D Gidley, Christopher L Soles
Abstract: Directly patterning dielectric insulator materials via nanoimprint lithography has the potential to simplify fabrication processes and significantly reduce the manufacturing costs for semiconductor devices. However, the prospect of mechanically form ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852642

8. Polymer Viscoelasticity and Residual Stress Effects on Nanoimprint Lithography
Published: 5/24/2007
Authors: Yifu Ding, Hyun Wook Ro, Jack F Douglas, Ronald Leland Jones, Daniel R. Hines, Alamgir Karim, Christopher L Soles
Abstract: We examine the influence of viscoelastic effects on the stability of nanoimprinted polymer films. The decay of features for polymers below the critical entanglement molecular mass at elevated temperatures is determined by simple surface tension and ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852665

9. Small Angle X-Ray Scattering Measurements of Lithographic Patterns With Sidewall Roughness From Vertical Standing Waves
Published: 5/10/2007
Authors: Chengqing C. Wang, Ronald Leland Jones, Eric K Lin, Wen-Li Wu, Jim Leu
Abstract: Characterization of standing wave induced roughness is demonstrated using small angle x-ray scattering (SAXS). This roughness originates from the interference of the incident and reflected light beams during photoresist imaging, and is an important ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852615

10. Environment-Controlled Spin Coating to Orient Microdomains in Thin Block Copolymer Films
Published: 3/20/2007
Authors: Sangcheol Kim, R M Briber, Alamgir Karim, Ronald Leland Jones, H C Kim
Abstract: We demonstrate a simple and fast methodology to control the orientation of cylindrical microdomains in thin block copolymer films using environment-controlled spin coating. During spinning, the preferential affinity of vapor atmosphere successfully d ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852681



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