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Displaying 1426 - 1450 of 2521

Ferromagnetic resonance linewidth in metallic thin films: Comparison of measurement methods

May 22, 2006

Author(s)

Sangita S. Kalarickal, Pavol Krivosik, Mingzhong Wu, C E. Patton, Michael Schneider, Pavel Kabos, Thomas J. Silva, John P. Nibarger

… were made for fixed in-plane fields from 1.6 to 8 kA/m (20-100 Oe). The results provide a confirmation, lacking until …

Direct Excitation of the Forbidden Clock Transition in Neutral 174 Yb Atoms Confined to an Optical Lattice

March 3, 2006

Author(s)

Zeb Barber, C Hoyt, Christopher W. Oates, Leo W. Hollberg, A. V. Taichenachev, V. I. Yudin

We report direct single laser excitation of the strictly forbidden (6s 2) 1S 0 –(6s6p) 3P 0 clock transition in the even 174Yb isotope confined to a 1-D optical lattice. A small (~1.2mT) static magnetic field is used to induce a non-zero electric dipole

Direct Excitation of the Forbidden Clock Transition in Neutral 174Yb Atoms Confined to an Optical Lattice

March 1, 2006

Author(s)

Zeb Barber, C Hoyt, Christopher W. Oates, Leo W. Hollberg, A. V. Taichenachev, V. I. Yudin

We report direct single laser excitation of the strictly forbidden (6s 2) ^s1S_0-(6s6p)^ 3P_0 clock transition in the even 174Yb isotope confiend to a 1-D optical lattice. A small (1.2mT) static magnetic field is used to induce a non-zero electric dipole

Achieving High Absolute Accuracy for Group-Delay Measurements Using the Modulation Phase-Shift Technique

November 1, 2005

Author(s)

Tasshi Dennis, Paul A. Williams

… a single spectral measurement ( 3.4-pm steps) of a narrow 20-ps group-delay feature of the artifact. To our knowledge, …

Horizontal Convective Boiling of Refrigerants and Refrigerant Mixtures Within a Micro-Fin Tube

July 1, 2005

Author(s)

L J. Hamilton, Mark A. Kedzierski, M P. Kaul

… to predict some existing data from the literature within 20%. The degradation in heat transfer performance of the …

Effect of Image Size and Compression on One-to-One Fingerprint Matching

February 1, 2005

Author(s)

Craig I. Watson, Charles L. Wilson

… 320 should not be used. Image compression in the range up 20 to 1 produces minimal effects on fingerprint matching …

Quantitative Absorption Spectroscopy of Residual Water Vapor in High-Purity Gases: Pressure Broadening of the 1.39253-mu m H 2 O Transition by N 2 , HCl, HBr, Cl 2 , and O 2

February 1, 2005

Author(s)

V Vorsa, S Dheandhanoo, S Ketkar, Joseph T. Hodges

… gas N2) for the (n1n2n3)JKa,Kc = (0,0,0)30,3 (1,0,1)20,2 rovibrational transition of H216O, occurring at 1.39253 …

Relating Gloss Loss to Topographical Features of a PVDF Coating

October 6, 2004

Author(s)

J Faucheu, Li Piin Sung, K Wood, Jonathan W. Martin

… (PVDF) coatings typically have 60o gloss values between 20 and 50. Gloss is affected by PVDF crystallite structures …

In-situ observation of nano-oxide formation in magnetic thin films

July 4, 2004

Author(s)

Andrew McCallum, Stephen E. Russek

… (RHEED) measurements were taken during the oxidation of 20-nm-thick Co and CoFe layers. The conductance shows an …

Synthesis and Characterization of PEG Dimethacrylates and their Hydrogels

July 1, 2004

Author(s)

Sheng Lin-Gibson, S Bencherif, James A. Cooper, S Wetzel, Joseph M. Antonucci, Brandon M. Vogel, F Horkay, N. R. Washburn

… Aqueous solutions of the PEGDMs and PEGUDMs (10 % and 20 % by mass fraction) are photo-polymerized to yield …

Influence of Grain Size on the Tensile Creep Behavior of Ytterbium-Containing Silicon Nitride

March 1, 2004

Author(s)

Sheldon M. Wiederhorn, A R D Lopez, William E. Luecke, Michael J. Hoffmann, B Hockey, J French, D C. Yoon

… increase, the annealed alumina-containing material crept 20 to 80 times slower than the unannealed material. …

An Experimentral Investigation of Water Droplet Impingement on a Heated Wax Surface

January 1, 2004

Author(s)

Samuel L. Manzello, Jiann C. Yang

… with the temperature of wax surface varied from 20 C to 75 C. For each impact We number, the evolution of …

Wavelength and Temperature Performance of Polarization Transforming Fiber

December 1, 2003

Author(s)

Allen Rose, N. Feat, Shelley M. Etzel

… conversion from circular to linear greater than 20 dB. Also, we have modeled and measured the dependence on …

Highly Multiplexed Assays for Measuring Polymorphisms on the Y-Chromosome

October 17, 2003

Author(s)

John M. Butler, R Schoske, Peter Vallone

… A multiplex PCR assay capable of amplifying 20 Y chromosome short tandem repeat (STR) markers …

Structural Variations and Ordering Conditions for the Self-Assembled Monolayers of HS(CH2CH2O)(3-6)CH3

April 29, 2003

Author(s)

David J. Vanderah, J Arsenault, H La, Richard S. Gates, Vitalii I. Silin, Curtis W. Meuse, Gintaras Valincius

… oxide) [TOEO] segments adopt the highly ordered 7/2 helical structure of the folded-chain crystal polymorph … the highly ordered, all helical conformation between 20 and 24 times faster than x = 5. For x = 3 and 4, RAIRS and …

Supernova Observation Via Neutrino-Nucleus Elastic Scattering in the CLEAN Detector

February 1, 2003

Author(s)

C J. Horowitz, Kevin Coakley, D N. Mckinsey

… kpc (3.1 x 1020 m). This large yield, a factor of at least 20 greater than existing light water detectors, arises …

Cavitation of Polyethylene During Extrusion Processing Instabilities

December 1, 2002

Author(s)

Y Son, Kalman D. Migler

… down and disappear over a timeframe of approximately 20 ms (milisecond). From velocity measurements of these …

Noise Temperature for Nb DHEB Mixer Receiver for Far-Infrared Spectroscopy

September 1, 2002

Author(s)

Eyal Gerecht, Carl D. Reintsema, Erich N. Grossman, A. L. Betz, R. T. Boreiko

… band spiral antenna with a frequency response of up to 20 THz. An FIR laser was used as the LO source at 2.52 THz …

Bose-Einstein Condensation in a Dilute Gas: The First 70 Years and Some Recent Experiments

June 1, 2002

Author(s)

Eric A. Cornell, C E. Wieman

… where the condensation process begins at 170 nK and by 20 nK a pure condensate of 2000 atoms could be created. More …

Mechanism of Fillet Lifting in Sn-Bi Alloys

May 1, 2002

Author(s)

William J. Boettinger, C A. Handwerker, B Newbury, TG Y. Pan, J M. Nicholson

… with compositions between 2.6 and 65 mass percent Bi. A 20 pin ceramic dual inline package was soldered to printed …

Index of Refraction of Air

February 16, 2001

Author(s)

Jack A. Stone Jr., Jay H. Zimmerman

… use at temperatures departing substantially from 20 degrees C. The text accompanying the calculations explains …

Gate Oxide Formation under Mild Conditions for Scanning Capacitance Microscopy

February 1, 2001

Author(s)

Duncan McBride, Joseph Kopanski

Scanning Capacitance Microscopy (SCM) can be used to measure doping density in silicon with a spatial resolution of about 10 nm. In order to make such measurements on fabricated devices, the device must be cross-sectioned, and an oxide sufficient to form a