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Displaying 826 - 850 of 1910

High-Q GaN nanowire resonators and oscillators

November 16, 2007

Author(s)

Shawn M. Tanner, Jason M. Gray, Charles T. Rogers, Kristine A. Bertness, Norman Sanford

… grown by molecular beam epitaxy. Nanowires with 30-500 nm diameters and 5-20 υm lengths having resonance …

Absolute Flux Calibrations of Stars

August 30, 2007

Author(s)

Gerald T. Fraser, Steven W. Brown, Howard W. Yoon, Bettye C. Johnson, Keith R. Lykke

… advances in absolute radiometry have been made in the last 30 years that offer the potential to improve both terrestrial …

Microcantilever Torque Magnetometry Study of Patterned Magnetic Films

October 1, 2006

Author(s)

L. Yuan, Lan Gao, R. Sabirianov, Sy-hwang Liou, Michelle Chabot, Dong-Hoon Min, John M. Moreland, Bao Shan Han

… pair of micrometer-sized Ni80Fe20 bars (7 υm × 3.5 υm × 30 nm) separated by 50 nm using a MTM. The bars were prepared …

2-D Imaging of Temperature in CF 4 Plasmas

April 1, 2005

Author(s)

Kristen L. Steffens, Mark A. Sobolewski

Two-dimensional maps of rotational temperature were determined in CF4 plasmas using planar laser-induced fluorescence of CF. Experiments were performed in a capacitively-coupled, parallel plate plasma reactor at pressures from 200mTorr (26.7Pa) to 800mTorr

Hyperfine-Changing Collisions in an Optically Trapped Gas of Ultracold Cesium and Lithium

December 17, 2004

Author(s)

M Mudrich, S Kraft, J Lange, A Mosk, M Weidemuller, Eite Tiesinga

… in an optical dipole trap in the temperature range between 30 and 130 muK. Toinfer rate coefficients from trap loss …

Power dissipation in a vertically integrated chip-scale atomic clock

August 24, 2004

Author(s)

John Kitching, Svenja A. Knappe, Li-Anne Liew, P Schwindt, V Shah, John Moreland, Leo W. Hollberg

… of a full chip-scale atomic clock to below approximately 30 mW. Power consumption at this level will open the door to …

Trace water detection in semiconductor-grade phosphine gas

November 11, 2002

Author(s)

Kristine A. Bertness, Susan Y. Lehman, Joseph T. Hodges, H. H. Funke, Mark W. Raynor

… water mole fraction measured in this system is (150 {+/-}30) x 10 -9 (150 ppb) in a nitrogen matrix. Lower …

Radiometric Measurement Comparisons at NASA's Goddard Space Flight Center: Part I. The GSFC Sphere Sources

May 1, 2002

Author(s)

James J. Butler, B. Carol Johnson, R Barnes

… From March 30 through April 9, 2001, thirteen radiometers participated …

Reference Values of the Dielectric Constant of Natural Gas Components Determined with a Cross Capacitor

May 1, 2001

Author(s)

Michael R. Moldover, T J. Buckley

We used a novel toroidal cross capacitor to measure accurately the dielectric polarizability e(p) (i.e., the dielectric constant) of helium, argon, nitrogen, methane, and carbon dioxide at T = 50 degrees C. The data extend up to 7 MPa (5 MPa for CO 2) and

Raman Scattering Evidence of a Disordered Structural Phase Transition in La 1.475 Nd 0.4 Sr 0.125 CuO 4

March 1, 2001

Author(s)

B Nachumi, N Ichikawa, Y Nakamura, S Uchida

We investigated the temperature and polarization dependence of the Raman scattering intensity of a single crystal sample of La 1,475Nd 0.4Sr 0.125CuO 4 which is known to exhibit antiphase stripe magnetic/charge order below T = 30K. The phonon spectra show

The Free Energy Surface of Supercooled Water

December 1, 2000

Author(s)

A Scala, Francis W. Starr, E LaNave, H E. Stanley, F Sciortino

… liquid-liquid critical point at T C' = 130 5 K, P C' = 290 30 Mpa, and P C' = 1.10 0.03 g/cm 3 . The observation of the …

Laser-Focused Atomic Deposition - Nanofabrication via Atom Optics

May 15, 2000

Author(s)

Jabez J. McClelland, Robert Celotta

… atoms into an array of lines or dots with size as small as 30 nm. This new technique represents a novel form of …

Collisions of Cold Magnesium Atoms in a Weak Laser Field

June 1, 1999

Author(s)

M Machholm, Paul S. Julienne, K A. Suominen

… and trapped magnesium atoms for detunings up to 30 atomic linewidths to the red of 1 S O -> 1 P 1 cooling …

Temperature Shift Factors for the Segmental Relaxation of Polycarbonate Below the Glass Transition

May 1, 1998

Author(s)

P A. O'Connell, G B. McKenna

… temperature. The equilibration times ranged from less than 30 minutes near to T g to twelve days at the lowest …

Job Shop Scheduling

May 1, 1996

Author(s)

Albert T. Jones, Luis C. Rabelo, Yuehwern Yih

… technological advances that have occurred over that last 30 years. These include mathematical programming, dispatching …

Development of Practical Wideband High-Fidelity Acoustic Emission Sensors

June 1, 1995

Author(s)

Marvin A. Hamstad

… independent of frequency over a range from as low as 30 to 50 kHz up to 1.2 MHz. The sensor design includes …

Characterization of Epitaxial Fe on GaAs(110) By Scanning Tunneling Microscopy

January 1, 1989

Author(s)

Robert A. Dragoset, P First, Joseph A. Stroscio, Daniel T. Pierce, Robert Celotta

… Volmer-Weber growth with the formation of 3-D Fe islands20-30 Aring} in diameter for 0.1-1 Aring} deposition at 300 K, …

Electron Transmission Measurements of Electron Mean Free Path in Supported Thin Films from 1-5 keV

November 2, 1976

Author(s)

R Stein

… of Al, Ge and Au are deposited in small increments on 20-30 ¿ carbon substrates supported by "holey" carbon films. The …

Measuring the Exploitation of Weaknesses in the Wild

June 26, 2024

Author(s)

Peter Mell, Irena Bojanova, Carlos Eduardo Cardoso Galhardo

… of a weakness being exploited in the wild for any 30-day window. The metric is evaluated on a set of 130 …

Advanced Optical Techniques for the Determination of Composition and Thickness of Strained SiGe Alloys for a Manufacturing Environment

October 12, 2021

Author(s)

C A. King, H Pois, S Zangooie, R M. Young, Joseph Woicik, J A. Gupta

… than 0.5 nm during a load/unload experiment consisting of 30 cycles. In addition, comparison of the optically measured …

Compact Thermal Actuation by Water and Flexible Hydrophobic Nanopore

April 29, 2021

Author(s)

Miroslaw Chorazewski

… Thermal-to-mechanical conversion efficiency of 30% was directly recorded by high-precision PVT-calorimetry, …

Chemical Structure of Medium-Scale Liquid Pool Fires

May 14, 2020

Author(s)

Ryan Falkenstein-Smith, Kunhyuk Sung, Jian Chen, Anthony Hamins

… measurements made throughout the centerline profile of 30 cm methanol, ethanol, and acetone pool fires steadily …

On the Development and Characterization of a Transparent Enclosure for 360deg View Video Cameras to Observe Fire Dynamics in Situ

May 5, 2020

Author(s)

Matthew S. Hoehler

… camera imaging sensor. This paper describes how a thin (≈ 30 mm) layer of moving water, i.e., a heat exchanger, can be …

Design of an Ultrathin Cold Neutron Detector

June 11, 2018

Author(s)

A. Osovizky, Kevin N. Pritchard, Y. Yehuda-Zada, Jeffrey B. Ziegler, Louis E. Binkley, Peter NMN Tsai, Alan Keith Thompson, Nancy Hadad, M. Jackson, C. Hurlbut, George M. Baltic, Charles Majkrzak, Nicholas C. Maliszewskyj

… The counter has a neutron sensitive volume of 12 mm wide × 30 mm high × 1.4 mm deep. Twenty-four 0.5 mm diameter …

Temperature Calibration for In Situ Environmental Transmission Electron Microscopy Experiments

December 11, 2015

Author(s)

Jonathan P. Winterstein, Pin A. Lin, Renu Sharma

… temperature. SAD permits measurement of temperature to ±30 °C using Ag lattice expansion. The method also permits …

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