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Nhan V. Nguyen, Oleg A. Kirillov, Hao Xiong, John S. Suehle
Internal photoemission (IPE) spectroscopy is a powerful technique for investigating electronic properties of inhomogeneous interfaces of hetero-structures. Two
Joseph Kopanski, Muhammad Afridi, Stoyan Jeliazkov, Weirong Jiang, Thomas R. Walker
The Electrostatic Force Microscope (EFM) and its variants are of interest for the measurement of potential distributions within nanostructures, and for work
Nadine Gergel-Hackett, Christina Hacker, Lee J. Richter, Oleg A. Kirillov, Curt A. Richter
In order to realize molecular electronic (ME) technology, an intermediate integration with more traditional silicon-based technologies will likely be required
Qiliang Li, Sang-Mo Koo, Hao Xiong, Monica D. Edelstein, John S. Suehle, Xiaoxiao Zhu, D. E. Ioannou, Curt A. Richter
We report metrology methods to characterize nanowires. In this work, representative devices and test structures, including nanoelectromechanical switches, non
Richard A. Allen, Ronald G. Dixson, Michael W. Cresswell, William Gutherie, Byron J. Shulver, Andrew S. Bunting, J. T. Stevenson, Anthony Walton
Recently, prototype isolated-line, single-crystal CD reference materials (SCCDRMs) with linewidths as narrow as 40 nm ? 1.5 nm have been reported. These
. In this study, we fabricate molecular magnetic tunnel junctions and demonstrate that inelastic electron tunneling spectroscopy technique can be utilized to
Leonardo Hillkirk, Allen R. Hefner Jr., Robert W. Dutton, Stephen B. Bayne, Heather O'Brien
An electro-thermal, transient device simulation study of Silicon Carbide (SiC) power thyristors operating in a pulsed-power circuit at extremely high current
Deployment of standards-based biometric technologies is expected to significantly raise levels of security for critical infrastructures that has not been
Naveen Kalappa, Vinod Anandarajah, Julien L. Baboud, Ya-Shian Li-Baboud, James Moyne
In today?s fabs, coordination of time-based information throughout the factory and enterprise has become necessary. This has driven the need to have time
Sung C. Kim, Anthony P. Hamins, Matthew F. Bundy, Gwon Ko, Erik L. Johnsson
The present study uses numerical simulations and analytical solutions to investigate the heat transfer processes associated with bare bead and double shield
More and more countries are beginning eco-compliance legislation for electronics products. Where does the USA stand? This paper will discuss the following areas
Zhandos Utegulov, Justin Shaw, B. T. Draine, S. A. Kim, Ward L. Johnson
Enhancement of Brillouin light scattering (BLS) at the wavelength of 532 nm was observed from Rayleigh-like and Sezawa-like acoustic modes of alkaline-earth
In 2006, the ASTM E57 committee was established to develop standards for 3D imaging systems. A 3D imaging system is a non-contact instrument that is used to
Jun Chen, Jingyun Fan, M D. Eisaman, Alan L. Migdall
We generate hyperentangled (time-bin and polarization) photon-pairs using a microstructure-fiber Sagnac interferometer. Two-photon interference visibilities in
The success of many quantum-information applications demands entangled photon pairs emitted at a high rate, and in a single spatial mode with narrow spectral
Kristine A. Bertness, Devin M. Rourke, Alexana Roshko, Lorelle Mansfield, Aric W. Sanders, Todd E. Harvey, Norman A. Sanford
Nucleation of GaN nanowires without catalysts in molecular beam epitaxy is shown to be a distinct process from nanowire propagation. Nanowire growth is
John B. Schlager, Kristine A. Bertness, Paul T. Blanchard, Norman A. Sanford
We report steady-state and time-resolved photoluminescence (PL & TRPL) measurements on individual GaN nanowires that were grown by nitrogen-plasma-assisted
Kristine A. Bertness, Christopher M. Dodson, Paul T. Blanchard, Norman Sanford, Ross N. Mills
We show that thermal ink jet printheads can be used to place GaN nanowires on patterned substrates. The semiconductor nanowires have diameters ranging from 70
Norman Sanford, Paul T. Blanchard, Kristine A. Bertness, Alexana Roshko, Beau Burton, Lorelle Mansfield, John B. Schlager, Steven George, Aric Sanders
Photoconductivity (PC) and persistent photoconductivity (PPC) were measured on c-axis GaN nanowires (NWs) grown by catalyst-free nitrogen plasma assisted MBE on
Maritoni A. Litorja, Bettye C. Johnson, J B. Fowler
A comparison of the area measurements of the limiting apertures used for total solar irradiance measurements in the Active Cavity Radiometer Irradiance Monitor
Wayne M. Itano, James C. Bergquist, Anders Brusch, Scott A. Diddams, Tara M. Fortier, Thomas P. Heavner, Leo W. Hollberg, David Hume, Steven R. Jefferts, Luca Lorini, Thomas E. Parker, Till P. Rosenband, Jason Stalnaker
Single-trapped-ion frequency standards based on a 282 nm transition in 199Hg+ and on a 267 nm transition in 27Al+ have been developed at NIST over the past
Steve Osterman, Scott A. Diddams, Matthew Beasley, Cynthia Froning, Leo W. Hollberg, Phillip MacQueen, Vela Mbele, Andrew Weiner
High resolution spectroscopy is the foundation for many of the most challenging and productive of all astronomical observations. A highly precise, repeatable
Mary F. Theofanos, Ross J. Micheals, Shahram Orandi, Brian C. Stanton
Often biometric technology and system evaluators are concerned with capturing accurate performance estimates that predict performance for target populations of
Zeb Barber, C Hoyt, Jason Stalnaker, Nathan D. Lemke, Christopher W. Oates, Tara M. Fortier, Scott A. Diddams, Leo W. Hollberg
We describe progress toward an optical lattice clock based on an even isotope of Yb. The 1S_0 - P_0 clock resonance in 174Yb is accessed using a magnetically
Many information transfer standardization efforts focus excessively on minutiae of the transport format (such as XML), to the detriment of the data model
Svenja A. Knappe, V Shah, Alan Brannon, Vladislav Gerginov, Hugh Robinson, Z Popovic, Leo W. Hollberg, John E. Kitching
We present new advances in the development of chip-scale atomic frequency references. Coherent population trapping (CPT) resonances usually exhibit contrasts
M D. Eisaman, Sergey V. Polyakov, M Hohensee, Jingyun Fan, P Hemmer, Alan L. Migdall
We theoretically investigate the feasibility of using spectral hole burning in Pr3+: Y2SiO5 to prepare an ensemble of Pr3+ ions with a spectral distribution
Michael T. Postek, Andras Vladar, John A. Kramar, L A. Stern, John Notte, Sean McVey
Helium Ion Microscopy (HIM) is a new, potentially disruptive technology for nanotechnology and nanomanufacturing. This methodology presents a potentially
Behnam Neekzad, Kamran Sayrafian, Julio Perez, John Baras
Temporal-Angular channel sounding measurements of an indoor millimeter wave channel (60 GHz) is analyzed to determine the location of two dimensional clusters