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Displaying 1001 - 1025 of 3757

Effect of Cluster Ion Analysis Fluence on Interface Quality in SIMS Molecular Depth Profiling

November 10, 2009
Author(s)
Christopher Szakal, Steven Hues, J Greg Gillen, Joe Bennett
… Cluster ion beams are being routinely utilized in secondary ion mass spectrometry (SIMS) for molecular depth profiling … as soft organic matrices, often require large analysis ion fluences in order to generate sufficient count rates for … Effect of Cluster Ion Analysis Fluence on Interface Quality in SIMS Molecular …

Cation Diffusion at the Polymer Coating/Metal Interface.

January 1, 1995
Author(s)
Tinh Nguyen, Z Zhang, C Lin, J M. Pommersheim
Theoretical and experimental studies were carried out on the transport of cations in the channel between a polymer coating and a metal substrate from a defect in the absence of an applied electrical potential. The model consists of two stages: an initial

Observation of the 1 S 0 - 3 P 0 clock transition in 27 Al +

June 1, 2007
Author(s)
Till P. Rosenband, P. O. Schmidt, David Hume, Wayne M. Itano, Tara M. Fortier, Jason Stalnaker, Scott A. Diddams, Jeroen Koelemeij, James C. Bergquist, David J. Wineland
… 0 – 3 P 0 clock transition in 27 Al + . A single aluminum ion and a single beryllium ion are simultaneously confined in a linear Paul trap, … Coulomb repulsion. This coupling allows the beryllium ion to sympathetically cool the aluminum ion, and also …

Lateral Magnetically Modulated Multilayers by Combining Ion Implantation and Lithography

March 1, 2017
Author(s)
Enric Menendez, Hiwa Modarresi, Claire Petermann, Josep Nogues, Neus Domingo, Haoliang Liu, Brian Kirby, Amir Syed Mohd, Zahir Salhi, Earl Babcock, Stefan Mattauch, Chris Van Haesendonck, Andre Vantomme, Kristiaan Temst
… The combination of lithography and ion implantation is demonstrated to be a suitable method to … and Co-CoO (2.4υm-wide) lines has been obtained by oxygen ion implantation into a lithographically-masked Au-sandwiched … Lateral Magnetically Modulated Multilayers by Combining Ion Implantation and Lithography …

Frequency-comb spectroscopy on pure quantum states of a single molecular ion

March 27, 2020
Author(s)
Chin-wen Chou, Alejandra L. Collopy, Christoph Kurz, Yiheng Lin, Michael E. Harding, Philipp N. Plessow, Tara M. Fortier, Scott A. Diddams, Dietrich G. Leibfried, David R. Leibrandt
… techniques to prepare a single trapped molecular ion in a pure quantum state, drive terahertz rotational … spectroscopy on pure quantum states of a single molecular ion …

H_(2) evolution at Si-based metal-insulator-semiconductor photoelectrodes enhanced by inversion channel charge collection and H spillover.

May 5, 2013
Author(s)
Daniel V. Esposito, Igor Levin, Thomas P. Moffat, Albert A. Talin
… represents a promising route for renewable production of hydrogen, but trade-offs between photoelectrode stability and … MIS surface and reveal the spillover-assisted evolution of hydrogen off the SiO_(2) surface and lateral photovoltage … Hydrogen spillover, photoelectrochemicals cells, water …

Detection and Speciation of Brominated Flame Retardants in High-Impact Polystyrene (HIPS) Polymers

March 27, 2012
Author(s)
Richard D. Holbrook, Jeffrey M. Davis, Keana C. Scott, Christopher W. Szakal
… micro X-ray Fluorescence Spectroscopy (µXRF), Focused Ion Beam Scanning Electron Microscopy (FIB SEM) combined with … X-ray Spectroscopy (EDS), and Time-of-Flight Secondary Ion Mass Spectrometry (ToF-SIMS), are promising techniques … "Brominated Flame Retardants", "Focused Ion Beam Scanning Electron Microscopy", "Secondary Ion Mass …

High Resolution Atomic Spectroscopy of Laser-Cooled Ions

January 1, 1991
Author(s)
David J. Wineland, James C. Bergquist, John J. Bollinger, Wayne M. Itano, F L. Moore, J M. Gilligan, M G. Raizen, C S. Weimer, C H. Manney
… Enrico Fermi Summer School Laser Manipulation of Atoms and Ions August 1991 Pages … High Resolution Atomic Spectroscopy of Laser-Cooled Ions …

Quantum interference between photons from an atomic ensemble and a remote atomic ion

November 18, 2019
Author(s)
A. Craddock, J. Hannegan, D. Ornelas-Huerta, J. Siverns, A. Hachtel, E. Goldschmidt, James V. Porto, Q. Quraishi, S. Rolston
… interference between photons generated from a single ion and an atomic ensemble. The photons are produced on … Given these results, we analyze the feasibility of hybrid ion-ensemble remote entanglement generation. … photons from an atomic ensemble and a remote atomic ion …

Ratio of the Al + and Hg + Optical Clock Frequencies to 17 Decimal Places

August 25, 2008
Author(s)
Wayne M. Itano, Till P. Rosenband, David Hume, P.O. Schmidt, Chin-Wen Chou, A. Brusch, Luca Lorini, Windell Oskay, Robert E. Drullinger, Sarah Bickman, Tara M. Fortier, Jason Stalnaker, Scott A. Diddams, William C. Swann, Nathan R. Newbury, David J. Wineland, James C. Bergquist
… for state preparation and detection. Coupling with a Be + ion, trapped simultaneously with the Al + ion, enables state manipulation, detection, and cooling of the Al + ion. Both standards have achieved absolute reproducibilities … atomic clocks, frequency standards, fundamental constants, ion traps, mercury, optical frequency standards …

Microscopic Insights into Ion Gel Dynamics using Neutron Spectroscopy

August 1, 2012
Author(s)
Maiko Kofu, Takenori Someya, Soichi Tatsumi, Kazuhide Ueno, Takeshi Ueki, Masayoshi Watanabe, Takuro Matsunaga, Mitsuhiro Shibayama, Victoria Garcia Sakai, Madhu Sudan Tyagi, Osamu Yamamuro
… We have investigated the microscopic dynamics of ion gels consisting of a PMMA [poly(methyl methacrylate)] … by means of quasi-elastic neutron scattering (QENS). These ion gels interestingly exhibit two glass transitions (T g S) … Microscopic Insights into Ion Gel Dynamics using Neutron Spectroscopy …
Displaying 1001 - 1025 of 3757
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