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Displaying 13951 - 13975 of 73922

Guide to bluetooth security:

May 1, 2017
Author(s)
John Padgette, John Bahr, Mayank Batra, Marcel Holtmann, Rhonda Smithbey, Lily Chen, Karen Scarfone

Mechanistic Insights into the Formation of Porous Carbons from Gelatin

May 1, 2017
Author(s)
A. E. Danks, M. J. Hollamby, Boualem Hammouda, D. C. Fletcher, F. Johnston-Banks, S. E. Rogers, Z. Schnepp
Porous carbons are important for many applications. The biopolymer gelatin provides a simple route to functional carbon foams with77 multimodal porosity. In this paper, small angle neutron scattering is applied alongside other techniques to elucidate the

Metal-Insulator Transition Tuned by Magnetic Field in Bi 1.7 V 8 O 16 Hollandite

May 1, 2017
Author(s)
Amber M. Larson, Brandon Wilfong, Pouya Moetakef, Craig Brown, Peter Zavalij, Efrain E. Rodriguez
We describe a metal-insulator transition for a quasi-one dimensional system containing a mix of S = 1 and S=1/2 vanadium cations. Unlike all other known vanadates, Bi 1.7V 8O 16 displays non-spin-singlet formation upon entering the insulating state

Room-temperature-deposited dielectrics and superconductors for integrated photonics

May 1, 2017
Author(s)
Jeffrey M. Shainline, Sonia M. Buckley, Nima Nader, Cale M. Gentry, Kevin C. Cossel, Milos A. Popovic, Nathan R. Newbury, Richard P. Mirin
We present an approach to fabrication and packaging of integrated photonic devices that utilizes waveguide and detector layers deposited at near-ambient temperature. All lithography is performed with a 365 nm i-line stepper, facilitating low cost and high

Targets for Relative Range Error Measurement of 3D Imaging Systems

May 1, 2017
Author(s)
Prem K. Rachakonda, Balasubramanian Muralikrishnan, Katharine M. Shilling, Geraldine S. Cheok, Vincent D. Lee, Christopher J. Blackburn, Dennis S. Everett, Daniel S. Sawyer
The Dimensional Metrology Group (DMG) at the National Institute of Standards and Technology (NIST) is performing research to support the development of documentary standards within ASTM E57 for the point-to-point performance evaluation of 3D imaging

Thermodynamics of antiviral and antiparkinsonian drug amantadine hydrochloride: condensed state properties and decomposition

May 1, 2017
Author(s)
Ala Bazyleva, Andrey V. Blokhin, Dzmitry H. Zaitsau, Gennady J. Kabo, Yauheni Paulechka, Andrei F. Kazakov, John M. Shaw
Heat capacities of antiviral and antiparkinsonian drug amantadine hydrochloride in the crystalline state were measured by adiabatic and differential scanning calorimetry in the temperature range from (5 to 470) K. Two unresolved low-enthalpy solid-to-solid

Improvements in Accelerometer Calibration at NIST Using Digital Vibrometry

April 29, 2017
Author(s)
Beverly F. Payne, Richard A. Allen, Colleen E. Hood
Improvements in shaker design and laser vibrometer development has provided more precise calibration of accelerometers. Calibrations are performed at frequencies from 1Hz to 20 kHz with improved uncertainty and improved efficiency. The vibrometer mounting

Graphene microcapsule arrays for combinatorial electron microscopy and spectroscopy in liquids

April 27, 2017
Author(s)
Alexander Yulaev, Hongxuan Guo, Evgheni Strelcov, Lei Chen, Ivan Vlasssiouk, Andrei Kolmakov
An atomic-scale thickness, molecular impermeability, low atomic number, and mechanical strength make graphene an ideal electron transparent membrane for scanning electron microscopy and spectroscopy in liquids. Here, we present a novel sample platform made
Displaying 13951 - 13975 of 73922
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