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Topic Area: Nanomaterials
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Displaying records 121 to 130 of 147 records.
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121. Relaxation Behavior of Polymer Structures Fabricated by Nanoimprint Lithography
Topic: Nanomaterials
Published: 8/14/2007
Authors: Yifu Ding, Hyun Wook Ro, Thomas Avery Germer, Jack F Douglas, Brian C. Okerberg, Alamgir Karim, Christopher L Soles
Abstract: We study the decay of the imprinted polystyrene (PS) patterns under thermal annealing using light diffraction. The first order diffraction intensity from the imprinted gratings was measured as a function of annealing time. Local intensity maximum i ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852744

122. Rippling Instability of Supported Polymer Nanolines
Topic: Nanomaterials
Published: 2/21/2012
Authors: Vijaya R. Tirumala, Christopher M Stafford, Leonidas E. Ocola, Jack F Douglas, L. Mahadevan
Abstract: The swelling response of polymer line gratings supported on a rigid substrate has direct implications on their mechanical stability during pattern transfer in nanofabrication. The polymer lines, when swollen in a good solvent, undergo a rippling inst ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909469

123. Scanning Near-Field Infrared Microscopy and Spectroscopy With a Broadband Laser Source
Topic: Nanomaterials
Published: 10/1/2000
Authors: Chris A Michaels, Stephan J Stranick, Lee J Richter, Richard R Cavanagh
Abstract: A scanning near-field microscopy that allows the fast acquisition of mid-infrared absorption spectra is described. The microscope couples the nanoscale spatial resolution of a scanning probe microscope with the chemical specificity of vibrational spe ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=831169

124. Self Assembly of Highly Ordered Nanowires in Biological Suspensions of Single-Wall Carbon Nanotubes
Topic: Nanomaterials
Published: 12/16/2008
Authors: Erik K. Hobbie, Jeffrey A Fagan, Matthew Becker, Steven D Hudson
Abstract: We demonstrate the directed self-assembly of highly-ordered nanowires of single-wall carbon nanotubes (SWNTs) in aqueous biological suspensions. Macroscopically straight and nearly-periodic linear arrangements of well-aligned individual SWNTs are fou ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=854421

125. Self-Sealing Nanoporous Low-k Dielectric Patterns Created by Nanoimprint Lithography
Topic: Nanomaterials
Published: 4/15/2008
Authors: Hyun Wook Ro, H Peng, Ken-ich Nihara, Hae-Jeong Lee, Eric K Lin, Alamgir Karim, D Gidley, Hiropshi Jinai, Do Y. Yoon, Christopher L Soles
Abstract: In this letter we describe how highly porous nanostructures can be directly printed into a poly(methylsilsequioxane) (PMSQ)-based organosilicate film, with high pattern fidelity, and develop the measurement infrastructure to quantitatively evaluate ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852758

126. Singularity in the Debye-Waller factor of graphene
Topic: Nanomaterials
Published: 3/16/2009
Authors: Vinod K Tewary, B. Yang
Abstract: It is shown that the Debye-Waller factor for graphene has a singularity. However, the singularity does not affect the zero-temperature value of the Debye-Waller factor. We calculate the zero-temperature limit of the mean-square displacement separate ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=854477

127. Size Measurement of Nanoparticles using Atomic Force Microscopy
Topic: Nanomaterials
Published: 1/1/2011
Authors: Jaroslaw Grobelny, Frank W DelRio, Pradeep Narayanan Namboodiri, Doo-In Kim, Vincent A Hackley, Robert Francis Cook
Abstract: This chapter outlines procedures for sample preparation and the determination of nanoparticle size using atomic force microscopy (AFM). To start, procedures for dispersing gold nanoparticles on various surfaces such that they are suitable for imagin ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=854151

128. Size Measurement of Nanoparticles using Atomic Force Microscopy
Topic: Nanomaterials
Published: 10/1/2009
Authors: Jaroslaw Grobelny, Frank W DelRio, Pradeep Narayanan Namboodiri, Doo-In Kim, Vincent A Hackley, Robert Francis Cook
Abstract: In this assay protocol, procedures for dispersing gold nanoparticles on various surfaces such that they are suitable for imaging and height measurement via intermittent contact mode AFM are first described. The procedures for AFM calibration and ope ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=854085

129. Stable Single-Crystalline Body Centered Cubic Fe Nanoparticles
Topic: Nanomaterials
Published: 4/20/2011
Authors: Natalie F. Huls, Lise-Marie Lacroix, Don Ho, Xiaolian Sun, Shouheng Sun
Abstract: Air stable magnetic nanoparticles (MNPs) with high magnetization are required in order to fully realize optimized biomedical agents. However, only metallic NPs with good crystallinity such as Fe or FeCo, exhibit magnetization as high as 220 A.m.kg. T ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906858

130. Structure and Magnetic Properties of Electrodeposition Co on n-GaAs (001)
Topic: Nanomaterials
Published: 9/19/2003
Authors: A X Ford, John E Bonevich, Robert D McMichael, Mark D Vaudin, Thomas P Moffat
Abstract: Co thin films have been electrodeposited on n-type (001) GaAs. The structure and texture of the films were investigated using x-ray diffraction (XRD) and transmission electron microscopy (TEM) while the magnetic properties were examined using a vibr ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=853237



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