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Displaying 1676 - 1700 of 2538

Cationic Surfactants for the Control of Overfill Bumps in Cu Superfilling

October 10, 2006
Author(s)
Soo K. Kim, Daniel Josell, Thomas P. Moffat
… reveal the significance of the head group charge, counter ion, and chain length for the adsorption and interactions of … with the PEG-CI-SPS system. This behavior is attributed to ion-pair complex formation between the cationic ammonium head …

Nist-Led International Collaboration Results in Improved Measurement Technology for Light Stable Isotopes Relevant to Climate Change Research

March 1, 2003
Author(s)
R M. Verkouteren
… spectrometers.These biases arise from memory effects in ion sourcesand affect the reliability and comparability of … to testnew focusing plates and slits in the NIST ion sourceand in an identical instrument at the … material value assignments.02The newly engineered ion source is incorporated in theisotope ratio instruments, …

Spot Test Kits for Detecting Lead in Household Paint: A Laboratory Evaluation

May 1, 2000
Author(s)
Walter J. Rossiter Jr, M Vangel, M E. McKnight, G Dewalt
… study, four test kits were based on the reaction of lead ion with sulfide ion to produce a gray or black color, whereas four others were based on the reaction of lead ion with rhodizonate ion to give a pink or red color. These …

Magnetic-Field-Induced Dielectric Anomalies in Cobalt-Containing Garnets

April 11, 2022
Author(s)
Abbey J. Neer, Joanna Milam-Guerrero, Veronika A. Fischer, Michelle Zheng, Nicole R. Spence, Clayton Cozzan, Mingqiang Gu, James M. Rondinelli, Craig Brown, Brent C. Melot
We present a comparative study of the magnetic and crystal chemical proper-ties of two Co 2+ containing garnets.CaY 2Co 2Ge 3O 12 and NaCa 2Co 2V 3O 12 both exhibit the onset of antiferromagnetic order at 8 K and 6 K as well as field-induced transitions

Micelle size effect on Fe-55 Liquid Scintillation Efficiency

December 1, 2013
Author(s)
Denis E. Bergeron, Lizbeth Laureano-Perez
We used efficiency tracing techniques to study the micelle size effect on liquid scintillation counting of the low-energy Auger electron emitter, 55Fe. We determined micelle hydrodynamic diameters for specific LS cocktails via dynamic light scattering, and

Laser Transition Probabilities in Xe I

July 1, 2006
Author(s)
Abhijit Dasgupta, J P. Apruzes, O Zatsarinny, K Bartschat, Charlotte F. Fischer
The atomic xenon laser is among the most efficient and powerful of the near-infrared gas lasers, especiallywhen pumped by molecular ions in an Ar-Xe mixture. Accurate transition probabilities for the laser transitionsare critical in developing a

Time-Resolved Studies of Ultra-Cold Ionizing Collisions

June 1, 1998
Author(s)
C R. Orzel, S Bergeson, S L. Rolston, S Kulin
Using 40 ns laser pulses, we probe the real-time dynamics of ultra-cold ionizing collisions in metastable xenon. We time-resolve both shielding and enhancement effects, and observe the production of Xe2+ molecular ions through associative ionization. We
Displaying 1676 - 1700 of 2538
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