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Displaying 601 - 625 of 2521

Calibrated nanoscale dopant profiling using a scanning microwave microscope.

January 3, 2012
Author(s)
Pavel Kabos, Thomas M. Wallis, H P. Hubner, I. Humer, M. Hochleitner, M. Fenner, M. Moertelmaier, C. Rankl, Atif A. Imtiaz, H. Tanbakuchi, P. Hinterdorfer, J. Smoliner, Joseph J. Kopanski, F. Kienberger
… with a vector network analyzer operating between 1-20 GHz. On silicon semiconductor calibration samples with … and the relative error of dopant profiling determined to 20% while the absolute accuracy is within an order of …

Angle-dependent infrared reflectance measurements in support of VIIRS

August 14, 2008
Author(s)
Simon G. Kaplan, Leonard M. Hanssen, Enrique J. Iglesias
… source for polarized reflectance measurements from 1 um to 20 um wavelength at angles of incidence from 10° to 80°, with … 1 um to 5 um and a 12 K Si:As BIB detector from 2 um to 20 um. The performance of the system has been tested using …

Magnetic Combinatorial Thin-Film Libraries

January 1, 2001
Author(s)
Stephen E. Russek, William E. Bailey, G A. Alers
Magnetic combinatorial libraries have been fabricated to investigate complex magnetic thin-film systems and to provide test systems to develop on-wafer metrologies. The use of combinatorial materials techniques is a new and powerful method to develop and

Efficient hybrid mixed-ion perovskite photovoltaics: in situ diagnostics of the roles of cesium and potassium alkali cation addition

June 19, 2020
Author(s)
Ming Chun Tang, Yuanyuan Fan, Dounya Barrit, Ruipeng Li, Hoang X. Dang, Siyuan Zhang, Timothy J. Magnanelli, Nhan V. Nguyen, Edwin J. Heilweil, Christina A. Hacker, Detlet-M Smilgies, Kui Zhao, Aram Amassian, Thomas D. Anthopoulos
… we compare the solidification process from 5, 10, to 20% of Cs+- and K+-incorporated perovskite thin films during … in 10% Cs+ ink and perovskite halide segregation occur in 20% Cs+ formulation. The intermediate 4H phases were … or K+) are ≈5% higher than the high concentration ones (20%). This study provides valuable insights into the …

Dechlorination of Polychlorinated Biphenyls in Industrial Transformer Oil by Radiolytic and Photolytic Methods

December 1, 2003
Author(s)
C G. Jones, Joseph Silverman, M I. Al-Sheikhly, Pedatsur Neta, Dianne L. Poster
… -1 ). Transformer oil containing> 8000,000 g g -1 PCB (17.7 mol L -1 chlorine) requires an additional solvent to … is diluted with 2-propanol (2-PrOH) and TEA (v/v/v, 1/17/20), complete dechlorination is achieved with a dose of 2500 … Photolytic dechlorination of the oil/2-PrOH/TEA (1/79/20) solutions approached 90% after an exposure time of 120 …

A Primary Dead-Weight Tester for Pressures (0.05-1.0) MPa

April 1, 2003
Author(s)
K. Jain, Walter J. Bowers Jr., James W. Schmidt
… of their heights. Based on the accurate diameters at 20 C provided by PTB ( 15 nm) and on the good geometry of the … have determined that the effective area for this gauge at 20 C and zero pressure is A eff.20 = 1007.925, 2 (1 2.8x10 -6 … the effective area should be taken as:A eff.23 = 1007.951,7 mm 2 (1+6.5 x 10 -12 P/Pa), with a relative expanded …

Single-frequency and Mode-locked Er/Yb Co-doped Waveguide Lasers

January 1, 2001
Author(s)
Berton Callicoatt, John B. Schlager, Kevin L. Silverman, Robert K. Hickernell, Richard P. Mirin, Norman A. Sanford, Joseph S. Hayden, Samuel D. Conzone, Robert D. Simpson
… waveguide lasers produce picosecond pulses with 20 mW of average power and repetition rates up to 500 MHz. …

Reply to Comment on "Testing Three-body Quantum Electrodynamics with Trapped Ti20+ Ions: Evidence for a Z-Dependent Divergence between Experiment and Calculation"

April 12, 2013
Author(s)
Lawrence T. Hudson, C T. Chantler, M N. Kinnane, John D. Gillaspy, A.T. Payne, L F. Smale, Albert Henins, Joshua M. Pomeroy, J A. Kimpton, E Takacs, K Makonyi
We find that Epp’s [1] hypothesis - namely that the current experimental data set is well represented by a small constant or zero offset from the predictions of Artemyev et al. [2] - is not supported by standard statistical analysis. We find that adding

Early Electroscopes at the National Bureau of Standards

May 17, 2024
Author(s)
Bert Coursey, Brian E. Zimmerman, Michael G. Mitch, Paul Frame
This report describes the use of five electroscopes used as national standards for radioactivity for the United States during the early 20th century. This set of instruments were used for the calibration of thousands of radium-226 sources used in medical
Displaying 601 - 625 of 2521
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