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Search Publications

NIST Authors in Bold

Displaying 226 - 250 of 2768

Synthesis, Structure, and Ion Conduction of Potassium Carbazolides for Potassium Ion Solid-State Electrolytes

September 20, 2024
Author(s)
Jiaquan Guo, Yang Yu, Khai Chen Tan, Qijun Pei, Zhao Li, Yuting Wang, Alexis Munyentwali, Hui Wu, Teng He, Ping Chen
… Potassium ion batteries gradually have aroused worldwide interest due … However, the research on the solid-state potassium-ion batteries is at its very early stage. The lack of … potassium solid-state electrolyte, potassium-ion battery, fast ion conduction, potassium carbazolide …

Pinhole X -ray camera photos of an ECR ion source plasma

November 1, 2011
Author(s)
Lawrence T. Hudson, Sandor Biri, E Takacs, R. Racz, J. Palinkas
… resolved images of an electron cyclotron resonance (ECR) ion source generated plasma. The method has good spatial … Pinhole X -ray camera photos of an ECR ion source plasma …

Highly charged ion (HCI) modified tunnel junctions

August 15, 2008
Author(s)
Joshua M. Pomeroy, Holger Grube
… have characterized some basic principles of this unique ion-surface interaction, but recent activity reported here is … tunnel junction, highly charged ions, electron beam ion trap (EBIT) … Highly charged ion (HCI) modified tunnel junctions …

Effect of Collagen in Calcium Phosphate Cement on Mechanical and Cellular Properties

December 23, 2008
Author(s)
Jennifer L. Moreau, Michael Weir, Hockin D. Xu
… Calcium phosphate cement (CPC) can be molded to conform to complex … cell attachment, collagen fibers, live cell density, phosphate cement, strength, work-of-fracture, Dentistry … Effect of Collagen in Calcium Phosphate Cement on Mechanical and Cellular Properties …

Collisional-Radiative Modeling for Highly-Charged Ions of Tungsten

April 23, 2013
Author(s)
Yuri Ralchenko
… in collisional-radiative modeling of highly-charged ions of tungsten that are relevant to fusion research. The status of spectroscopic data for W ions is briefly discussed as well. Strategies and … spectra, collisional-radiative modeling, highly-charged ions … Collisional-Radiative Modeling for Highly-Charged Ions of Tungsten …

Fabrication of Specimens for Atom Probe Tomography using a Combined Gallium and Neon Focused Ion Beam Milling Approach

August 16, 2023
Author(s)
Frances Allen, Paul Blanchard, David Pappas, Russell Lake, Deying Xia, John Notte, Ruopeng Zhang, Andrew Minor, Norman A. Sanford
… We demonstrate a new focused ion beam sample preparation method for atom probe tomography. … The key aspect of the new method is that we use a neon ion beam for the final tip shaping after conventional annulus milling using gallium ions. This dual-ion approach combines the benefits of the faster milling …

Nanoscale Focused Ion Beam from Laser-cooled Lithium Atoms

October 26, 2011
Author(s)
Brenton J. Knuffman, Adam V. Steele, Jon Orloff, Jabez J. McClelland
… To advance the capabilities of focused ion beam (FIB) technology, we have created a low-energy FIB … in a magneto-optical trap (MOT). This magneto-optical trap ion source relies on both the low temperature of the … energy spread of the resultant beam to form a nanoscale ion probe at its focus. We present examples of microscopy …

Highly Charged Ions in Rare Earth Permanent Magnet Penning Traps

July 13, 2012
Author(s)
Nicholas D. Guise, Samuel Brewer, Joseph Tan
… the isolation, manipulation, and study of highly charged ions. Highly charged ions are produced in the NIST electron-beam ion trap (EBIT), … NdFeB permanent magnets integrated into its electrodes. Ions of charge Qe, emerging from the EBIT with energy up to … Highly Charged Ions in Rare Earth Permanent Magnet Penning Traps …

EUV spectra of Rb-like to Cu-like gadolinium ions in an electron beam ion trap

October 8, 2012
Author(s)
Yuri Ralchenko, Deirdre Kilbane, G. O'Sullivan, John D. Gillaspy, Joseph Reader
… ultraviolet radiation from highly-charged gadolinium ions were made at the National Institute of Standards and Technology. The ions were produced and confined in an electron beam ion trap (EBIT) and the spectra were recorded with a … Gadolinium, highly-charged-ions, extreme-ultraviolet spectra, collisional-radiative …

Effect of In Vitro Acidification on Plaque Fluid Composition With and Without a NaF or a Controlled-Release Fluoride Rinse

September 1, 1999
Author(s)
Gerald L. Vogel, Z Zhang, Laurence C. Chow, Clifton M. Carey, Gary E. Schumacher, D Banting
… Plaque fluid ion concentration changes, especially fluoride, in response … was seen in the no-rinse samples. The pH, free calcium, phosphate, acetate, propionate, and buffer capacity were not … following acid addition, an increase in free calcium and phosphate was observed, which was also independent of the …

Identifications of extreme ultraviolet spectra of Br-like to Ni-like neodymium ions using an electronbeam ion trap

April 30, 2021
Author(s)
C. Suzuki, Dipti Goyal, Y. Yang, A. Gall, Roshani Silwal, S. Sanders, Aung S. Naing, Joseph N. Tan, Endre A. Takacs, Yuri Ralchenko
… extreme ultraviolet spectra of open N-shell neodymium (Nd) ions have been recorded in an electron beam ion trap facility at the National Institute of Standards and … code. Consequently, 59 lines from Br-like to Ni-like Nd ions have been unambiguously identi ed, most of which are …

Monitoring Ion Current and Ion Energy During Plasma Processing Using Radio-Frequency Current and Voltage Measurements

February 1, 2001
Author(s)
Mark A. Sobolewski
… common diagnostic techniques can be used to measure ion current and ion energy, these techniques areusually not compatible with … by industry. Methods have been proposed for determining ion properties from the applied rf current and voltage, which … current, electrical measurements, energy, flux, ion, plasma processing, process monitoring, radio-frequency …

Stresses in Ion Exchange Layers of Soda-Lime-Silicate Glass

June 1, 2005
Author(s)
Theo Fett, J -. Guin, Sheldon M. Wiederhorn
… stresses that develop as a consequence of sodium/hydrogen ion exchange in soda-lime-silicate glass immersed in water. … of the stress is consistent with earlier findings that the ion-exchange process involves hydronium ions (H 3 O +) and … corrosion, fracture, fracture mechanics, glass, ion exchange …

Simulating Quantum Magnetism with Correlated Non-Neutral Ion Plasmas

August 27, 2012
Author(s)
John J. Bollinger, Joseph W. Britton, Brian C. Sawyer
… depend on the internal atomic state (or spin) of an atomic ion, the Coulomb potential energy of a strongly coupled array … effective spin interactions are engineered with trapped ion crystals. We summarize the type of effective spin … discuss an experimental implementation using single- plane ion crystals in a Penning trap. …

Properties of Injectable Apatite-Forming Premixed Cements

April 10, 2010
Author(s)
Yasushi Shimada, Laurence Chow, Shozo Takagi, Junji Tagami
… A previously reported, premixed calcium phosphate cements (CPC) forms hydroxyapatite (HA) as the only … cements consisted of two premixed pastes: (1) dicalcium phosphate anhydrous (DCPA) mixed with 1.5mol/L or 3.0mol/L NaH2PO4, and (2) tetracalcium phosphate in median particle sizes of 5μm (TTCP5) and17μm …

Cascade Transition X-Rays From Electron Capture Into Highly Charged Ions in Collisions With Neutral Gas Targets

May 1, 2003
Author(s)
H Tawara, E Takacs, L P. Ratliff, John D. Gillaspy, K Tokesi
… have been observed from low energy, highly charged Kr 1+ ions (q=27-36) colliding with neutral Ar atoms. The intensity … formed during cascades after electron capture into Kr 27+ ions. This is also supported by time-dependent population … charge exchange, highly charged ions, ion-atom collisions, x-rays …

Spectroscopic analysis of N-intrashell transitions in Rb-like to Ni-like Yb ions

June 9, 2020
Author(s)
Dipti Goyal, R. Silwal, Joan M. Dreiling, Samuel C. Sanders, Endre A. Takacs, Yuri Ralchenko
… Extreme ultraviolet spectra of highly-charged ytterbium ions produced in an electron beam ion trap at National … were identi ed in Rb-like Yb33+ through Ni-like Yb42+ ions. The e ects of strong con guration interaction within … Spectroscopy, electron beam ion trap, highly-charged ions, ytterbium, collisional-radiative modeling …

Preliminary Report on the Biocompatibility of a Moldable, Resorbable, Composite Bone Graft Consisting of Calcium Phosphate Cement and Poly (Lactide-Co-Glycolide) Microspheres

May 1, 2002
Author(s)
Carl Simon Jr., C A. Khatri, Scott Wight, Francis W. Wang
… of a new composite bone graft consisting of calcium phosphate cement (CPC) and poly(lactide-co-glycolide) (PLGA) … biocompatibility, biodegradable, bone graft, calcium phosphate cement, composite, ESEM, … Resorbable, Composite Bone Graft Consisting of Calcium Phosphate Cement and Poly (Lactide-Co-Glycolide) Microspheres …

Trapped Ions, Entanglement, and Quantum Computing, ed. by B.L. Fearey

January 1, 1998
Author(s)
C J. Myatt, B E. King, D Kielpinski, Dietrich Leibfried, Q A. Turchette, Chris S. Wood, Wayne M. Itano, C Monroe, David J. Wineland
… range of 5-20 MHz. The equilibrium positions of pairs of ions that are crystallized in this trap lie along the long … potential to the trap, the micromotion of two crystallized ions may be reduced relative to the case of pure rf … a scheme to use this effect to differentially address the ions. …
Displaying 226 - 250 of 2768
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