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Topic Area: Nanomaterials

Displaying records 71 to 80 of 127 records.
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71. Near Edge X-Ray Absorption Fine Structure Spectroscopy Studies of Single-Crystalline V2O5 Nanowire Arrays
Topic: Nanomaterials
Published: 5/7/2009
Authors: Daniel A Fischer, J Velasquez, Cherno Jaye, S Banerjee
Abstract: Near edge X-ray absorption fine structure (NEXAFS) spectroscopy is used to precisely probe the alignment, uniformity in crystal growth direction, and electronic structure of single-crystalline V2O5 nanowire arrays prepared by a cobalt-catalyzed vapor ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902379

72. Nanoparticle assembly, DNA provides control
Topic: Nanomaterials
Published: 5/1/2009
Authors: Vivek M Prabhu, Steven D Hudson
Abstract: No abstract this is a Nature Materials News and Views (less than 800 word) article.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902344

73. In-plane bias in a patterned ferromagnetic/antiferromagnetic bilayer
Topic: Nanomaterials
Published: 4/30/2009
Authors: Yury P. Kabanov, Valerian I. Nikitenko, Oleg A. Tikhomirov, William F. Egelhoff Jr., Alexander J. Shapiro, Robert D Shull
Abstract: Exchange bias in bi- and multilayer magnetic systems is usually ascribed to the existence of transient magnetic structures at the interfaces between adjacent layers. Here, we report the observation of a similar phenomenon in the lateral direction, in ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=854169

74. Characterizing the Dynamic Behavior of Nano-TiO2 Agglomerates in Suspensions by Photocorrelation Spectroscopy
Topic: Nanomaterials
Published: 4/22/2009
Authors: I-Hsiang Tseng, Stephanie S Watson, Li Piin Sung
Abstract: Metal oxide nanoparticles are small but easily form agglomerates in suspension, depending on the strength of particle-particle and particle-media interactions. To understand the agglomeration behavior of nanoparticles in media and relate to it to pro ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902458

75. Elastic and adhesive properties of alkanethiol self-assembled monolayers on gold
Topic: Nanomaterials
Published: 3/30/2009
Authors: Frank W DelRio, Cherno Jaye, Daniel A Fischer, Robert Francis Cook
Abstract: Elastic and adhesive properties of alkanethiol (CH3(CH2)n 1SH) self-assembled monolayers on gold are investigated by atomic force microscopy and correlated with surface structure via near edge x-ray absorption fine structure spectroscopy. As the cha ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901545

76. Transparency and conductivity of carbon nanotube networks
Topic: Nanomaterials
Published: 3/18/2009
Author: Jan Obrzut
Abstract: The conductivity of films made of nanotubes longer than 200 nm closely follows the percolation theory for two-dimensional (2D) networks. The scaling universal exponents describing the percolation transition from an insulating to conducting state with ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901076

77. 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

78. A parametric interatomic potential for graphene
Topic: Nanomaterials
Published: 2/27/2009
Authors: Vinod K Tewary, B. Yang
Abstract: A parametric interatomic potential is constructed for graphene. The potential energy consists of two parts: bond energy and radial interaction energy. The bond energy part is a generalized version of the Tersoff-Brenner potential. It includes angula ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=854476

79. Analysis of Copper incorporation in Zno Nanowires
Topic: Nanomaterials
Published: 1/12/2009
Authors: Susie Eustis, Douglas C Meier, M R. Beversluis, Babak Nikoobakht
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901886

80. Inducing analytical orthogonality in tungsten oxide-based microsensors using materials structure and dynamic temperature control
Topic: Nanomaterials
Published: 1/4/2009
Authors: Kurt D Benkstein, Baranidharan Raman, David L. Lahr, John E Bonevich, Stephen Semancik
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902372