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Journals

The Effect of Ultrasonic Vibration of Posts on Root Surface Temperature

October 12, 2021

Author(s)

Andrew Huttula, Patricia Tordik, Glen Imamura, F Eichmiller, Scott McClanahan

This study measured root surface temperature changes when ultrasonic vibration, with and without irrigation, was applied to cemented endodontic posts. Twenty...

Polycrystalline Growth: Dirt Versus Dynamical Heterogeneity

October 12, 2021

Author(s)

L Granasy, T Pusztai, T Borzsonyi, James A. Warren, Jack F. Douglas

Most research into microstructure formation during solidification has focused on single crystal growth forms, ranging from faceted crystals to dendritic growth...

Challenges for Sub-PicoTesla Magnetic-Tunnel-Junction Sensors

October 12, 2021

Author(s)

Robert McMichael, Philip Pong, John Unguris, William F. Egelhoff Jr., A Edelstein, E Nowak, Sean R. Parkin

The extension of small, inexpensive, low-power magnetic sensors into the sub-picoTesla regime, which is currently dominated by fluxgates and SQUIDS, would be a...

Annealing Temperature Dependences of Magnetization Reversal in Exchange Biased Bilayers

October 12, 2021

Author(s)

C G. Lee, V S. Gornakov, B H. Koo, K S. Shin, Robert McMichael, Andrew P. Chen, William F. Egelhoff Jr.

The thermal stability of the hysteretic properties and domain structures of exchange-coupled Co-Fe/Ir-Mn and Ni-Fe/Ir-Mn bilayers was studied. Using the magneto...

Determination of Strain Localization in Aluminum Alloys Using Laser-Induced Photoelectron Emission.

October 12, 2021

Author(s)

M Cai, S C. Langford, Lyle E. Levine, J T. Dickinson

Uniaxial tensile deformation of oxidized aluminum produces low work-function patches of fresh metal that can be probed by measurements of photoelectron emission...

Effects of Sputtering Angle on Surface Roughness, Chemical Composition and Giant Magnetoresistance Properties of NiO and α-Fe₂O₃ Bottom Spin-Valves

October 12, 2021

Author(s)

S Bae, P J. Chen, William F. Egelhoff Jr., J H. Judy

The effects of sputtering angle on surface roughness chemical composition, and giant magnetoresistance (GMR) properties of bottom spin-valves have been...

Comparison of Molecular Weight Moments from MALDI-TOF-MS With Other Absolute Methods on a Standard Reference Polymer

October 12, 2021

Author(s)

Kathleen M. Flynn, William R. Blair, P O. Danis

Matrix Assisted Laser Desorption Ionization (MALDI) Time of Flight (TOF) Mass Spectrometry was used to study the molecular weight distribution (MWD) and the...

Replica of Human Dentin Surfaces Treated With Different Desensitizing Agents: A Methodological SEM Study in Vitro

October 12, 2021

Author(s)

J C. Pereira, A C. Martineli, Ming S. Tung

This is a preliminary study to determine a methodological sequence in vitro which may allow the reproduction of dentin for SEM analysis, after the use of...

Phase Equilibria Diagrams, 1998 Cumulative Index, Volumes I-XII, Annuals 91-'93, High Tc Monographs I-II, Zirconium and Zirconia Systems

October 12, 2021

Author(s)

M Clevinger, C L. Cedeno

The authors and chemical systems indexed in the 1998 Cumulative Index refer the user to all phase diagrams published in the Phase Equilibria Diagrams series up...

Recrystallization Texture and Magnetic Properties of Electrodeposited FePt on Cu(001)

October 12, 2021

Author(s)

Erik B. Svedberg, J Mallett, S Sayan, Alexander J. Shapiro, William F. Egelhoff Jr., Thomas P. Moffat

A near equiatomic FePt fcc alloy has been grown by electrodeposition onto Cu(001). Annealing at 450 (degrees) C results in the onset of a Al fcc to L1(subscript...

Several Thousand-Fold Room Temperature Magnetoresistance in Ni Nanocontacts Made by Self-Terminating Electrodeposition

October 12, 2021

Author(s)

H D. Chopra, S Z. Hua, William F. Egelhoff Jr.

Recently, room temperature magnetoresistance effect as large as 3150% has been reported in electro-deposited Ni nanocontacts. In the present study, a simple...

Estimation of Ion Exchange Layers for Soda-Lime Silicate Glass From Curvature Measurements

October 12, 2021

Author(s)

Theo Fett, J -. Guin, Sheldon M. Wiederhorn

In glasses that contain mobile alkali ions, an ion exchange between protons or hydronium ions in the surrounding aqueous liquid and alkali ions in the glass...

Additive-Containing Rinses for LER and Defectivity Control During High-Resolution Resist Patterning

October 12, 2021

Author(s)

D L. Goldfarb, S D. Burns, M Angelopolous, S Skordas, R L. Burns, M C. Lawson, C J. Brodsky, V Vishnu, E Jablonski, Vivek Prabhu, Ronald L. Jones, B D. Vogt, Christopher Soles, Eric K. Lin, Wen-Li Wu

The addition of a surface conditioning agent to the de-ionized water rinse used to quench the photoresist development process is an attractive methodology that...

Conformational Isomerism in 1-Heptanal

October 12, 2021

Author(s)

J M. Fisher, L H. Xu, R D. Suenram, Brooks H. Pate, K O. Douglass

The rotational spectrum of 1-heptanal has been recorded over the 10 GHz to 22 GHz region using a pulsed-molecular-beam, Fourier transform microwave spectrometer...

Gentle recoil synthesis of free-radical clusters: Ar-SH via unimolecular photolysis of Ar-H₂S

October 12, 2021

Author(s)

S R. Mackenzie, O Votava, J B. Fair, David Nesbitt

A novel method for the generation of free-radical clusters is presented based on UV photolysis of the corresponding closed-shell complex. Illusions is provided...

Combined Effect of Coherent Z Exchange and the Hyperfine Interaction in Atomic PNC

October 12, 2021

Author(s)

W R. Johnson, M S. Safronova, U I. Safronova

The nuclear spin-dependent parity nonconserving (PNC) interaction arising from a combination of the hyperfine interaction and the coherent, spin-independent...

Production of Cold Molecules via Magnetically Tunable Feshbach Resonances

October 12, 2021

Author(s)

T Koehler, K Goral, Paul S. Julienne

Magnetically tunable Feshbach resonances were employed to associate cold diatomic molecules in a series of experiments involving both atomic Bose as well as two...

Stability of Global Entanglement in Thermal States of Spin Chains

October 12, 2021

Author(s)

G K. Brennen, Stephen Bullock

We investigate the entanglement properties of a one dimensional chain of spin qubits coupled via nearest neighbor interactions. The entanglement measure used is...

Comment on Stability of Small Carbon-Nitride Heterofullerenes

October 12, 2021

Author(s)

G Sun, Rui-Hua Xie, M C. Niklaus

In a recent Letter [1], Schultz et, al, proposed the existence of heterofullerenes C n-xN x (40 less then or equal to} n less then or equal to} 50) based on the...

Redefinition of the Kilogram, Ampere, Kelvin and Mole: A Proposed Approach to implementing CIPM Recommendation 1 (C1-2005)

October 12, 2021

Author(s)

I M. Mills, Peter Mohr, T J. Quinn, Barry Taylor, Edwin R. Williams

The International System of Units (SI) is founded on the seven base units metre, kilogram, second, ampere, kelvin, mole and candela corresponding to the seven...

The Goddard High Resolution Spectrograph: In-Orbit Performance

October 12, 2021

Author(s)

S R. Heap, J L. Linsky

The in-orbit performance of the Goddard High Resolution Spectrograph onboard the Hubble Space Telescope (HST) is presented. This report covers the pre-COSTAR...

Precision Study of 6p ²P_j->8s ² S_1/2 Relative Transition Matrix Elements in Atomic Cs

October 12, 2021

Author(s)

A Sieradzan, M D. Havey, M S. Safronova

A combined experimental and theoretical study of transition matrix elements of the 6s 2S 1/2-> 6p 2P j-> 8s 2S 1/2 transition in atomic Cs is reported...

Laser Based Angle-Resolved Photoemission, the Sudden Approximation and Quasiparticle-Like Spectral Peaks in Bi₂Sr₂Cu₂O₈+Δ

October 12, 2021

Author(s)

j D. Koralek, Jack F. Douglas, N C. Plumb, Z Sun, A V. Fedorov, M M. Murnane, H C. Kapteyn, Steven T. Cundiff, Y Aiura, K Oka, H. Eisaki, D S. Dessau

A new low photon energy regime of angle-resolved photoemission spectroscopy is accessed with lasers and used to study the hight T c superconductor Bid2^CaCu 2O...

Strain and Spin-Orbit Effects in Self-Assembled Quantum Dots

October 12, 2021

Author(s)

M Zielinski, W Jaskolski, Javier Aizpurua, Garnett W. Bryant

The effects of strain and spin-orbit interaction in self-assembled lens-shaped InAs/GaAs quantum dots are investigated. Calculations are performed with...

The Spectrum of Th-Ar Hollow Cathode Lamps in the 900 nm to 4500 nm Region: Establishing Wavelength Standards for the Calibration of VLT Spectrographs

October 12, 2021

Author(s)

F Kerber, Gillian Nave, Craig J. Sansonetti

We report new observations of the infra-red (IR) spectrum of low current Th-Ar hollow cathode lamps with the 2-m Fourier transform spectrometer (FTS) at the...

Strain Effects on the Electronic Structure of Strongly Coupled Self-Assembled InAs/GaAs Quantum Dots: Tight-Binding Approach

October 12, 2021

Author(s)

W Jaskolski, M Zielinski, Garnett W. Bryant, Javier Aizpurua

We present an atomistic tight-binding study of the electronic structure and optical properties of vertically stacked, double, self-assembled, InAs/GaAs quantum...

Final-State Rule vs. the Bethe-Salpeter Equation for Deep-Core X-ray Absorption Spectra

October 12, 2021

Author(s)

J J. Rehr, J A. Soininen, Eric L. Shirley

The independent-electron approximation together with the final-state rule provides a well established method for calculating x-ray absorption spectra that takes...

Radio-Frequency Output Coupling of the Bose-Einstein Condensate in Atom Lasers

October 12, 2021

Author(s)

Y B. Band, Paul S. Julienne, M Trippenbach

Experiments have conclusively demonstrated coherence properties of Bose-Einstein condensates [BECs] [1] and the radio-frequency [rf] radiation output coupling...

Two-Color Photoassociation Spectroscopy of Ytterbium Atoms and the Precise Determinations of s-Wave Scattering Lengths

October 12, 2021

Author(s)

M Kitagawa, K Enomoto, K Kasa, Yasuo Takahashi, R Ciurylo, Pascal Naidon, Paul S. Julienne

By performing high-resolution two-color photoassociation spectroscopy, we have successfully de-termined the binding energies of several of the last bound states...

Non-Contact Tuning Fork Position Sensing for Hollow-Pyramid Near-Field Cantilevered Probes

October 12, 2021

Author(s)

A Ambrosio, E Cafali, S Spadaro, S Patane, Maria Allegrini, D Albert, E Oesterschulze

We demonstrate that tuning fork sensing provides a stable non-contact mode operation when applied to near-field optical microscopy employing cantilevered probes...

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