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You searched on: Author: John Dagata

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1. Development of the Metrology and Imaging of Cellulose Nanocrystals
Published: 9/19/2011
Authors: Michael T Postek, Andras Vladar, John A Dagata, Natalia Farkas, Bin Ming, Ryan Wagner, Arvind Raman, Robert J Moon, Ronald Sabo, Theodore H Wegner, James Beecher
Abstract: The development of metrology for nanoparticles is a significant challenge. Cellulose nanocrystals (CNC) are one group of nanoparticles that have high potential economic value but present substantial challenges to the development of the measurement ...

2. High-voltage Nanoimprint Lithography of Refractory Metal Film
Published: 7/1/2010
Authors: John A Dagata, Natalia Farkas, R Ramsier
Abstract: Local oxidation of metal, semiconductor, and polymer surfaces has provided a common basis from which to explore fundamental principles of nanolithography and prototype functional nanostructures for many years now. This article summarizes an investiga ...

3. Cellulose Nanocrystals the Next Big Nano-thing?
Published: 8/6/2008
Authors: Michael T Postek, Andras Vladar, John A Dagata, Natalia Farkas, Bin Ming, Ronald Sabo, Theodore H Wegner
Abstract: Biomass surrounds us from the smallest alga to the largest redwood tree. Even the largest trees owe their strength to a newly-appreciated class of nanomaterials known as cellulose nanocrystals (CNC). Cellulose, the world s most abundant natural, rene ...

4. Physical characterization methods for iron-oxide contrast agents encapsulated within a targeted liposome-based delivery system
Published: 4/16/2008
Authors: John A Dagata, Natalia Farkas, Cindi L Dennis, Robert D Shull, Vincent A Hackley, Charles W Yang, Kathleen F Pirollo, Esther H Chang
Abstract: Intact liposome-based targeted nanoparticle delivery systems (NDS) are immobilized by nonselective binding and characterized by scanning probe microscopy (SPM) in a fluid imaging environment. The size, size distribution, functionality, and stability ...

5. Characterization of Prototype Silicon Pitch Artifacts Fabricated by Scanning Probe Lithography and Anisotropic Wet Etching
Published: 1/1/2005
Authors: F S Chien, W F Hsieh, S Gwo, Jay Shi Jun, Richard M Silver, Andras Vladar, John A Dagata

6. Current, Charge, and Capacitance During Scanning Probe Oxidation. I. Maximum Charge Density and Lateral Diffusion
Published: 8/15/2004
Authors: John A Dagata, F Perez-murano, C Martin, H Kuramochi, H Yokoyama
Abstract: A comprehensive analysis of the electrical current passing through the tip-substrate junction during oxidation of silicon by scanning probe microscopy (SPM) is presented. This analysis of experimental results under dc-bias conditions resolves the rol ...

7. Current, Charge, and Capacitance During Scanning Probe Oxidation. II Electrostatic and Meniscus Forces Acting on Cantilever Bending
Published: 8/1/2004
Authors: John A Dagata, F Perez-murano, C Martin, H Kuramochi, H Yokoyama

8. Metrology Development for the Nanoelectronics Industry at the National Institute of Standards and Technology
Published: 3/7/2004
Authors: Joaquin (Jack) Martinez, John A Dagata, Curt A Richter, Richard M Silver
Abstract: The National Institute of Standards and Technology has provided and continues to provide critical metrology development for the semiconductor manufacturing industry as it moves from the microelectronic era into the nanoelectronic era. This presentaio ...

9. Faradaic Current Detection During Anodic-Oxidation of the H-Passivatedp-Si(001) Surface With Controlled Relative Humidity
Published: 3/1/2004
Authors: H Kuramochi, F Perez-murano, John A Dagata, H Yokoyama

10. A Multiscale Fabrication Approach to Microfluidic System Development
Published: 1/1/2004
Authors: Tony L Schmitz, John A Dagata, Brian S. Dutterer, W G Sawyer
Abstract: Microfluidic systems for analytical, medical, and sensing applications integrate optical or electrical readouts in low-cost, low-volume consumption systems. Embedding chemically functionalized templates with nanoscale topography within these devices ...

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