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Displaying 876 - 900 of 2769

Observation of a fault tolerance threshold with concatenated codes

December 9, 2025
Author(s)
Grace Sommers, Michael Foss-Feig, David Hayes, David Huse, Michael Gullans
… noise. We implement our state preparation protocol on ion-trap hardware with added noise to demonstrate the … quantum computing, quantum error correction, ion traps …

Hydrolytic and Enzymatic Degradation of Linear Segmented Polyurethane Block Copolymers Studied by ToF-SIMS and Atomic Force Microscopy

November 26, 2025
Author(s)
Gilad Zorn, Felix Simonovsky, Jeremy Brison, Shinichiro N. Muramoto, Buddy Ratner, David Castner
… by atomic force microscopy and time-of-flight secondary ion mass spectroscopy. Poly(ester urethane urea)s (PEUUs) … hard segments were exposed to aqueous conditions (water or phosphate buffered saline), and the changes in their surface …

Temperature-Controlled Depth Profiling in Poly (methylmethacrylate) (PMMA) Using Cluster Secondary Ion Mass Spectrometry (SIMS) II. An Investigation of Sputter-Induced Topography, Chemical Damage and Depolymerization Effects

February 1, 2007
Author(s)
Christine M. Mahoney, Albert J. Fahey, John G. Gillen, Chang Xu, James Batteas
… Secondary Ion Mass Spectrometry (SIMS) employing an SF polyatomic primary ion source was used to depth profile Poly(methyl … rates, damage cross sections, and overall secondary ion stability) were monitored as a function of temperature. … Poly (methylmethacrylate) (PMMA) Using Cluster Secondary Ion Mass Spectrometry (SIMS) II. An Investigation of …

Relaxation timescales and decay of correlations in a long-range interacting quantum simulator

August 1, 2013
Author(s)
John J. Bollinger, Mauritz van den Worm, Rytis Paskauskas, Brian C. Sawyer, Michael Kastner
… also for the interpretation of data from cold atom or ion experiments. Here we study the time evolution of … these results for benchmarking a recently developed ion-trap based quantum simulator. … ion trap, Ising model, long-range interactions, quantum …

Development of a Robust Early-Stage Thermal Runaway Detection Model for Lithium-ion Batteries

October 22, 2024
Author(s)
Wai Cheong Tam, Jian Chen, Wei Tang, Qi Tong, Hongqiang Fang, Anthony Putorti
… model for early-stage thermal runaway of a lithium-ion battery utilizing acoustics and a deep learning paradigm. A series of single-cell lithium-ion battery tests is conducted. Different state-of-charge … Early-Stage Thermal Runaway Detection Model for Lithium-ion Batteries …

Time-of-Flight Secondary Ion Mass Spectrometry (TOF-SIMS) for High-Throughput Characterization of Biosurfaces

January 1, 2003
Author(s)
S V. Roberson, A Sehgal, Albert J. Fahey, Alamgir Karim
… film. In this preliminary work, we tracked the secondary ion intensities of various species along the 45 mm length of … film. We noticed consistent trends, with the secondary ion signals for oxidized species steadily increasing with the … Time-of-Flight Secondary Ion Mass Spectrometry (TOF-SIMS) for High-Throughput …

Ferroelectricity in Polar Polymer-based FETs: A Hysteresis Analysis

January 15, 2018
Author(s)
Vasileia Georgiou, Dmitry Veksler, Jason Campbell, Jason Ryan, Pragya Shrestha, D. E. Ioannou, Kin P. Cheung
There is an increasing number of reports on polar polymer-based Ferroelectric Field Effect Transistors (FeFETs), where the hysteresis of the drain current - gate voltage (Id-Vg) curve is investigated as the result of the ferroelectric polarization effect

Ionic Hydrogen bond Networks and Ion Solvation 1. An Efficient Monte Carlo / Quantum Mechanical Method for Structural Search and Energy Computation: Ammonium / Water

February 25, 2009
Author(s)
Yi-Lei Zhao, Michael Mautner, Carlos A. Gonzalez
… we compute the stepwise hydration energy of the ammonium ion in NH4 +(H2O)n clusters (n = 1-8), for which experimental … this work should be useful for simulating relatively large ion/solvent systems. … Ionic Hydrogen bond Networks and Ion Solvation 1. An Efficient Monte Carlo / Quantum …

Computer Simulations of Ionomer Self-Assembly and Dynamics

May 17, 2007
Author(s)
Moonjoy Goswami, S K. Kumar, Aniket Bhattacharya, Jack F. Douglas
… are found to be quite sensitive to the dissociated ion species. … dipole, glass-formation, ion diffusivity, ionomer, multiplets, self-assembly, …

Direct, Operando Observation of the Bilayer Solid Electrolyte Interphase Structure: Electrolyte Reduction on a Non-Intercalating Electrode

February 1, 2019
Author(s)
Christopher H. Lee, Joseph Dura, Amy LeBar, Steven C. DeCaluwe
… interphase remains a central challenge to lithium-ion battery durability, in part due to poor understanding of … design of durable, conductive SEI layers for Li-ion batteries for a range of applications. … Li ion battery, SEI, in operando diagnostics, non-intercalating …

Liquid Structure with Nano-Heterogeneity Promotes Cationic Transport in Concentrated Electrolytes

October 10, 2017
Author(s)
Oleg Borodin, Liumin Suo, Mallory Gobet, Xiaoming Ren, Fei Wang, Antonio Faraone, Jing Peng, Marco Olguin, Marshall Schroeder, Michael S. Ding, Eric Gobrogge, Arthur von Wald Cresce, Stephen Munoz, Joseph Dura, Steve Greenbaum, Chunsheng Wang, Kang Xu
… a variety of spectroscopic techniques, we evaluated the ion solvation and transport behaviors in aqueous electrolytes … H2O network, via which 40% of Li + are liberated for fast ion transport even in concentration ranges traditionally … shell, molecular dynamics, Small Angle Neutron scattering, ion conductivity, ionic liquid …

Direct Measurement of Lithium Transport in Graphite Electrodes with Neutrons

April 1, 2012
Author(s)
David Jacobson, Jeffrey J. Gagliardo, Jon P. Owejan, Stephen J. Harris, Howard Wang, Daniel Hussey
… layer transport resistance as they relate to lithium-ion battery performance and durability. In this work, we … battery, high-resolution, ion, lithium, neutron, radiography …
Displaying 876 - 900 of 2769
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