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Displaying 801 - 825 of 2769

Relativistic all-order many-body calculation of energies, wavelengths, and M1 and E2 transition rates for the 3d^n configurations in tungsten ions

January 3, 2018
Author(s)
M S. Safronova, U I. Safronova, S. G. Porsev, M G. Kozlov, Yuri Ralchenko
… the low-lying states are evaluated for W51+ to W54+ ions with 3dn (n = 2 to 5) electronic con gurations using an … are discussed. This rst study of such highly charged ions with the present method opens the way for future … of properties for a very wide range of highly charged ions aimed at providing precision benchmarks for various …

Quantifying and Suppressing Proton Intercalation to Enable High-Voltage Zn-Ion Batteries

November 4, 2021
Author(s)
Fei Wang, Lauren E. Blanc, Qin Li, Antonio Faraone, Xiao Ji, Huaiyu H. Chen-Mayer, Rick L. Paul, Joseph Dura, Enyuan Hu, Kang Xu, Linda F. Nazar, Chunsheng Wang
… We explore the Zn-ion intercalation mechanisms/interfacial dynamics of VPO 4 F … both a high voltage (1.9 V) and long-lasting aqueous zinc-ion battery: Zn|Zn(OTf) 2 ·nH 2 O-PC|Zn x VPO 4 F. … Suppressing Proton Intercalation to Enable High-Voltage Zn-Ion Batteries …

Fabrication of 3D Printed Hydroxyapatite Composite Scaffolds for Bone Regeneration

May 19, 2021
Author(s)
Yoontae Kim, Eun-Jin Lee, Albert Davydov, Stanislav Frakhtbeyen, Jonathan Seppala, Laurence Chow, Tagaki Shozo, Stella Alimperti
… composite scaffold was printed using calcium phosphate cement (CPC) slurries at room temperature. The CPC … of a solid phase that includes a mixture of tetracalcium phosphate (TTCP; Ca4(PO4)2O) and dicalcium phosphate anhydrous (DCPA; CaHPO4), and a liquid phase that …

Ne-22 Ion-Beam Radiation Damage to DNA: From Initial Free Radical Formation to Resulting DNA-Base Damage

June 14, 2021
Author(s)
Melis Kant, Pawel Jaruga, Erdem Coskun, Samuel Ward, Alexander Stark, Thomas Baumann, David Becker, Amitava Adhikary, Michael Sevilla, Miral M. Dizdar
… processes and the products of DNA damage involved in Ne-22 ion-beam radiation of hydrated (12±3 H2O/nucleotide) salmon … showed that, as the linear energy transfer (LET) of the ion-beam radiation increases along the beam track, the … Bragg peak is reached. Yields of DNA products along the ion-beam track were in excellent agree-ment with the radical …

Li+ transport in single-ion conducting side-chain polymer electrolytes with nanoscale self-assembly of ordered ionic domains

August 22, 2022
Author(s)
Jiacheng Liu, Lingyu Yang, Phillip Pickett, Bumjun Park, Jennifer Schaefer
… Li-ion batteries based on organic liquid electrolytes have been … that is solvating the lithium cation. Recently, metal-ion containing polymers with regulated, repeating chain architecture have drawn attention as ion conductors due to their ionic domain segregation. In this …

Optical-to-microwave frequency comparison with fractional uncertainty of 10 -15

October 1, 2007
Author(s)
Jason Stalnaker, Scott A. Diddams, Tara M. Fortier, K Kim, Leo W. Hollberg, James C. Bergquist, Wayne M. Itano, Marie Delaney, Luca Lorini, Windell Oskay, Thomas P. Heavner, Steven R. Jefferts, Filippo Levi, Thomas E. Parker, Jon H. Shirley
… of the optical frequency of the mercury single-ion frequency standard in terms of the SI second as realized … have resulted in a determination of the mercury single-ion frequency with a fractional uncertainty less than $7 … context of the previous measurements of the mercury single-ion frequency and arrive at a final determination of the …

Physics of DNA Threading Through a Nanometer Pore and Applications to Simultaneous Multianalyte Sensing

January 1, 2002
Author(s)
John J. Kasianowicz, S. E. Henrickson, Martin Misakian, H H. Weetall, B Robertson, Vincent M. Stanford
… to partition into and thread through single protein ion channels. It was recently shown in our laboratory that … can be used to probe the geometric properties of an ion channel, and that the interaction between the … analyte detection, ion channel, nanopore, protein pore, sensor …

In Situ Neutron Techniques for Studying Lithium Ion Batteries

May 1, 2012
Author(s)
Howard Wang, Robert Gregory Downing, Joseph Dura, Daniel S. Hussey
… We review in situ neutron techniques for studying lithium ion batteries. Four neutron measurement techniques, neutron … In Situ Neutron Techniques for Studying Lithium Ion Batteries …

Realization of quantum error correction

December 2, 2004
Author(s)
J Chiaverini, Dietrich G. Leibfried, Tobias Schaetz, Murray D. Barrett, Brad R. Blakestad, Joseph W. Britton, Wayne M. Itano, John D. Jost, Emanuel H. Knill, C. Langer, R Ozeri, David J. Wineland
… quantum error correction using three beryllium atomic-ion qubits confined to a linear , multi-zone trap. One … that has no classical analog. In the experiment, a primary ion qubit is prepared in an initial state, which is then … various rates. The logical state is decoded to the primary ion qubit, making error information available on the ancilla …

Single-Ion Properties of the S eff = 1/2 XY Antiferromagnetic Pyrochlores NaA'Co 2 F 7 (A' = Ca 2+ , Sr 2+ )

April 13, 2017
Author(s)
K. A. Ross, J. M. Brown, R. J. Cava, J. W. Krizan, S. E. Nagler, Jose Rodriguez Rivera, M. B. Stone
… correlations as NaCaCo 2 F 7 . We than present the single-ion levels of Co 2+ in these materials as measured by … fields accounts for the observed transitions. The single-ion ground state of Co 2+ is a Kramers doublet with a … model that reproduces the salient features of the single-ion spectrum produces approximately 8.4% and 4.1% variation …

An Iodide-Based Li 7 P 2 S 8 I Superionic Conductor

February 3, 2015
Author(s)
Ezhiylmurugan Rangasamy, Zengcai Liu, Mallory Gobet, Kartik Pilar, Gayatri Sahu, Wei Zhou, Hui Wu, Steve Greenbaum, Chengdu Liang
… A Li 7 P 2 S 8 I solid state Li-ion conductor derived from β-Li 3 PS 4 and LiI demonstrates … superionic conductor, Li3PS4, Li7P2S8I, Li ion battery …

Experimental speedup of quantum dynamics through squeezing

April 17, 2024
Author(s)
Shaun Burd, Hannah Knaack, Raghavendra Srinivas, Christian Arenz, Alejandra Collopy, Laurent Stephenson, Andrew C. Wilson, David Wineland, Dietrich Leibfried, John J. Bollinger, David Allcock, Daniel Slichter
… motional and spin states of a single trapped $^25}$Mg$^+}$ ion, the scheme applies generally to Hamiltonians involving … trapped ion, squeezing, quantum amplification …

Stability of a Penning trap with a quadrupole rotating electric field

February 11, 2005
Author(s)
T Hasegawa, M J. Jensen, John Bollinger
… rotating electric field. The rotation frequency of an ion cloud in a Penning trap determines the cloud density and … center-of -mass stability, combined ion trap, laser cooling, non-neutral plasmas, Penning trap, …

Phase space study of surface electrode Paul traps: Integrable, chaotic, and mixed Motion

May 31, 2018
Author(s)
V. Roberdel, Dietrich Leibfried, D. Ullmo, H. Landa
… the details of integrable and chaotic motion of a single ion. We introduce appropriate phase space measures and give a … that we develop gives a general framework for describing ion dynamics in a broad variety of surface Paul traps. For … chaotic motion, ion trap, phase space, regular motion, stability …
Displaying 801 - 825 of 2769
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