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Author: andras vladar

Displaying records 31 to 40 of 146 records.
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31. Nanometrology Solutions Using an Ultra-High Resolution In-lens SEM
Published: 9/1/2009
Authors: Michael T Postek, Andras Vladar, John S Villarrubia
Abstract: The imaging and measurement of nanostructures such as particles, carbon nanotubes, and quantum dots have placed new demands on the high resolution imaging capabilities of scanning electron microscopes. A barrier to accurate dimensional metrology is t ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902308

32. Recent Progress in Understanding the Imaging and Metrology using the Helium Ion Microscope
Published: 9/1/2009
Authors: Michael T Postek, Andras Vladar, Bin Ming
Abstract: Nanotechnology is pushing imaging and measurement instrument technology to high levels of required performance. As this continues, new barriers confronting innovation in this field are encountered. Particle beam instrument resolution remains one of t ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902762

33. Optimization of Accurate SEM Imaging by Use of Artificial Images
Published: 5/22/2009
Authors: Petr Cizmar, Andras Vladar, Michael T Postek
Abstract: Today the vast majority of the scanning electron microscopes (SEMs) are incapable of taking repeatable and accurate images at high magnifications. Geometric distortions are common, so are drift, vibration, and problems related to disturbing electro-m ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902635

34. On the Sub-Nanometer Resolution of Scanning Electron and Helium Ion Microscopes
Published: 3/1/2009
Authors: Andras Vladar, Michael T Postek, Bin Ming
Abstract: All forms of microscopy are being pushed to the limit by nanotechnology. Hence, there is a relentless quest to achieve better and better resolution with various electron and ion microscopes and to monitor and maintain these instruments to achieve the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901833

35. On the Sub-Nanometer Resolution of Scanning Electron and Scanning Helium Ion Microscopes
Published: 3/1/2009
Authors: Michael T Postek, Andras Vladar, Bin Ming
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901569

36. Understanding Imaging and Metrology with the Helium Ion Microscope
Published: 3/1/2009
Authors: Michael T Postek, Andras Vladar, Bin Ming
Abstract: The development of accurate metrology for the characterization of nanomaterials is one barrier to innovation confronting all phases of nanotechnology. Ultra-high resolution microscopy is a key technology needed to achieve this goal. But, current micr ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902394

37. Design of an on-chip microscale nanoassembly system
Published: 2/10/2009
Authors: Jason John Gorman, Yong Sik Kim, Andras Vladar, Nicholas G Dagalakis
Abstract: A microscale nanoassembly system has been designed for the fabrication of nanodevices and in situ electromechanical characterisation of nanostructures. This system consists of four Microelectromechanical Systems(MEMS)-based nanomanipulators positione ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901179

38. Helium Ion Microscopy and its Application to Nanotechnology and Nanometrology
Published: 11/4/2008
Authors: Michael T Postek, Andras Vladar
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=824682

39. International photomask linewidth comparison by NIST and PTB
Published: 10/17/2008
Authors: James Edward Potzick, Ronald G Dixson, Richard Quintanilha, Michael T. Stocker, Andras Vladar, Egbert Buhr, Bernd Bodermann, Wolfgang Hassler-Grohne, Harald Bosse, C.G. Frase
Abstract: In preparation of the international Nano1 linewidth comparison on photomasks between 8 national metrology institutes, NIST and PTB have started a bilateral linewidth comparison in 2008, independent of and prior to the Nano1 comparison in order to tes ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=824713

40. 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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=824683



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