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Journals

Simulation of a Single Asperity Impacts at Head-Disk Interface

October 12, 2021

Author(s)

Tze J. Chuang, Stephen M. Hsu

During the track accessing mode of a hard disk drive, the flying height of the slider over the disk surface becomes smaller and smaller as the demand in data

Pulsed Laser Deposition and Characterization of Hf Based High-k Dielectric Thin Films

October 12, 2021

Author(s)

M A. Sahiner, Joseph Woicik, P Gao, P McKeown, Mark Croft, M Gartman, B Benapfl

The continuous downward scaling of the complementary metal oxide semiconductor (CMOS) devices has enabled the Si-based semiconductor industry to meet the

Evidence for a Dynamical Crossover in a Supercooled Liquid From Analysis of its Potential Energy Landscape

October 12, 2021

Author(s)

T B. Schroder, Srikanth Sastry, J C. Dyre, S C. Glotzer

We map the dynamics of a supercooled liquid to transitions between successive potential energy basins. In terms of the self intermediate scattering function, F

Structure and Crystal Chemistry of M_0.5Ta_0.5B (M = Ti, Zr, and Hf)

October 12, 2021

Author(s)

I Talmy, J Zaykoski, J A. Kudak, Winnie Wong-Ng

During the development of refractory composites (cermets) combining MB2 (M=Ti, Zr, or Hf) ceramics and Ta metal, three new phases of compositions M0.5Ta0.5B

Analysis of Point-Contact Andreev Reflection Spectra in Spin Polarization Measurements

October 12, 2021

Author(s)

G T. Woods, Robert J. Soulen, I I. Mazin, B Nadgorny, M. S. Osofsky, J Sanders, H. Srikanth, William F. Egelhoff Jr., Raju V. Datla

We present a systematic analysis of point-contact Andreev reflection (PCAR) spectra for ferromagnetic materials, using both modeling and experimental data. We

Long-Term Environmental Fatigue of Pultruded Glass-Fiber-Reinforced Composites

October 12, 2021

Author(s)

Kate Liao, Carl R. Schultesiz, Donald L. Hunston

Pultruded glass-fiber-reinforced vinyl ester composite coupons were subjected to four-point-bend fatigue in various environments to study long-term durability

A Structural Study of Electrodeposited Fe on GaAs(001)

October 12, 2021

Author(s)

Erik B. Svedberg, J Mallett, Leonid A. Bendersky, A G. Roy, William F. Egelhoff Jr., Thomas P. Moffat

The microstructure of Fe films electrodeposited onto n-GaAs(001) from FeCl_(2) and FeSO_(4)-(NH_(4)-(2)SO_(4) electro;ytes was examined by x-ray and electron

Lattice Model of Equilibrium Polymerization.VI. Measures of Fluid Complexity and Search for Generalized Corresponding States

October 12, 2021

Author(s)

J Dudowicz, Jack F. Douglas, Karl Freed

Particle association in complex fluids containing charged, polar, or polymeric molecular species often leads to deviations from the corresponding states

Analysis of UNMWPE Particle Shape Effects on Bioactivity From the Physical Viewpoint of Phagocytosis Process

October 12, 2021

Author(s)

H. W. Fang, Stephen M. Hsu, J V. Sengers

In artifical joint systems, wear particles generated during the life of the replacement have been associated with Osteolysis and prosthetic loosening. The

Improved Theoretical X-Ray Resonant Scattering Amplitudes

October 12, 2021

Author(s)

J O. Cross, M I. Bell, M Newville, J J. Rehr, L B. Sorensen, Charles E. Bouldin, G Watson, T Gouder, G H. Lander

Resonant elastic scattering amplitudes [Δ]f = f[u'] + if[u''] in the vicinity of the absorption edges have been obtained by applying a differential Kramers

X-Ray Diffraction Study of the Optimization of MgO Growth Conditions for Magnetic Tunnel Junctions

October 12, 2021

Author(s)

O Se Young, C G. Lee, Alexander J. Shapiro, William F. Egelhoff Jr., Mark D. Vaudin, Jennifer L. Klamo, J Mallett, Philip Pong

MgO based magnetic tunnel junctions (MTJs) show large tunneling magnetoresistance (TMR) effects and are currently the most promising technology for the

Comparison of Methods for Calculating the Friction Coefficient and Intrinsic Viscosity of Nanoparticles and Macromolecules

October 12, 2021

Author(s)

M Mansfield, Jack F. Douglas, Saba Irfan, E Kang

Various methods have been proposed to estimate the translational friction coefficient f and the intrinsic viscosity [?] of polymers and other particles of

Structure and Mechanical Properties of Poly (D,L-lactic Acid)Poly(e-caprolatone)Blends

October 12, 2021

Author(s)

M E. Broz, David L. VanderHart, N Washburn

A series of blends of the miscible, biodegradable polymers poly(D,L-lactic acid) and poly(e-caprolactone) were prepared varying mass fraction across the range

Growth of Magnetic Nanowires in an Applied Field

October 12, 2021

Author(s)

R D K. Misra, H Nathani, William F. Egelhoff Jr.

Nanostructured quasi one-dimensional magnetic materials (nanowires) have attracted significant scientific and technological interest because they exhibit unique

SiO₂/Si₃N₄/A1₂O₃ Stacks on Silicon for Scaled-Down Memory Devices: Effects of Interfaces and Thermal Annealing

October 12, 2021

Author(s)

M Lisiansky, A Heiman, M Kovler, Y Roizin, Igor Levin, A Gladkikh, M Oksman, R Edrei, A A. Hofman, Y Shnieder, T Claasen

Effects of interfaces and thermal annealing on the electrical performance of the SiO2/Si3N4/A12O3 (ONA) stacks in non-volatile memory devices were investigated

Advanced Optical Techniques for the Determination of Composition and Thickness of Strained SiGe Alloys for a Manufacturing Environment

October 12, 2021

Author(s)

C A. King, H Pois, S Zangooie, R M. Young, Joseph Woicik, J A. Gupta

We report the construction and testing of a model for the measurement of graded SiGe bipolar transistor structures after epitaxial growth. Using a commercially

Engineering of Self-Assembled Domain Architectures With Ultra-High Piezoelectric Response in Epitaxial Ferroelectric Films

October 12, 2021

Author(s)

J.H. Yang, Julia Slutsker, Igor Levin, D H. Kim, Chang-Beom Eom, R Ramesh, Alexander L. Roytburd

Non-180 domain wall movement, which makes a large contribution to the piezoelectric response of ferroelectric bulk materials, were found to be much more

Superior Large-Scale Relaxation and Defectivity in SiGe Layers Grown on Pre-Threaded Si Substrates

October 12, 2021

Author(s)

M Erdtmann, M T. Currie, Joseph Woicik, David R. Black

State-of-the-art applications involving relaxed SiGe virtual substrates have a low tolerance for defectivity, i.e., threading dislocation density (TDD) and

Carbon Monoxide Oxidation Over a Pt/A1₂O₃ Catalyst: Temperature Programmed Studies Over an Extended Coverage Range

October 12, 2021

Author(s)

D J. Burnett, Daniel A. Fischer, J L. Gland

Temperature programmed reaction spectroscopy (TPRS) experiments were performed on a 4.8 wt % Pt/Al2O3 catalyst to characterize carbon monoxide oxidation. CO and

Polarization and Structural Transitions of Irradiated Vinylidene Fluoride-Trifluoroethylene Copolymer

October 12, 2021

Author(s)

E Balizer, A S. DeReggi, Dan A. Neumann, Fred B. Bateman

The structure and polarization of the 50 wt.% vinylidene fluoride-50 wt.% trifluoroethylene copolymer, a composition in the range that was first reported to

Functional Oligothiophenes for Use in Self-Assembled Monolayer Field-Effect Transistors

October 12, 2021

Author(s)

A R. Murphy, Clayton Mauldin, J M. Frechet, Paul C. Chang, Kanan Putambekar, Kin-Yip Phoa, V Subramanian, Dean DeLongchamp, Daniel A. Fischer, Eric K. Lin

Asymmetric, end-functionalized thiophene oligomers capable of self-assembly and covalent bonding to silicon surfaces have been synthesized. Monolayer films were

Volumetric and Size Characterization of Void Morphologies in Thermally Sprayed Metallic Deposits Using Scattering Techniques

October 12, 2021

Author(s)

T Keller, W. Wagner, J Ilavsky, Andrew J. Allen, N Margadant, S Siegmann, J Pisacka, G Barbezat, R Enzl

The complex void microstructure of thermally sprayed deposits may be approximated by three major void syste(interlamellar pores, intralamellar cracks, and

High Dielectric Permittivity in AFe_1/2B_1/2O₃ Nonferroelectric Perovskite Ceramics (A = Ba, Sr, Ca; B= Nb, Ta, Sb)

October 12, 2021

Author(s)

I P. Raevski, S A. Prosandeev, S A. Bogatin, M A. Malitskaya

Afe l/2B 1/20 3 (A- Ba, Sr, Ca; B-Nb, Ta, Sb) ceramics were synthesized and temperature dependencies of the dielectric permittivity were measured at different

Glass-Infiltrated Alumina and Spinel Ceramic Composites: Residual Stresses and Mechanical Behavior

October 12, 2021

Author(s)

A Saigal, Lin-Sien H. Lum, S Jahanmir

All-ceramic crowns, including glass-infiltrated alumina and spinel composites, are coming into widespread use because of their superior aesthetics and chemical

Cavitation Creep in the Next Generation Silicon Nitride

October 12, 2021

Author(s)

F Lofaj, Sheldon M. Wiederhorn, Gabrielle G. Long, P R. Jemian, M Ferber

X-ray scattering (A-USAXS). Failure strains were around 0.5 %. The creep resistance of this grade was found to be up to two orders of magnitude better than that

Science for Stewardship: Multidisciplinary Research on the USS Arizona

October 12, 2021

Author(s)

Matthew A. Russell, L E. Murphy, D L. Johnson, Timothy J. Foecke, Pamela J. Morris, R Mitchell

The National park Service's Submerged Resources Center and USS Arizona Memorial are conducting and coordinating research directed at understanding the nature

Hydroxyapatite Formation in a Calcium Phosphate Cement Under Different Storage Conditions

October 12, 2021

Author(s)

S Hirayama, Shozo Takagi, T Ikemi, Laurence Chow

A water-activated self-hardening calcium phosphate cement (CPC) has been the subject of considerable interest in biomaterials research, especially as a bone

X-Ray Standing Wave Analysis of Overlayer Induced Substrate Relaxation: The Clean and Bi-Covered (110) GaP Surface

October 12, 2021

Author(s)

A Herrera-Gomez, Joseph Woicik, T Kendelewicz, K E. Miyano, W E. Spicer

The relaxation of the surface P atoms, for both the clean and Bi covered GaP (110) surface, was studied with X-Ray Standing Wave Spectroscopy (XSW) using

Obstruction Model of the Fractional Stokes-Einstein Relation in Glass-Forming Liquids

October 12, 2021

Author(s)

D Leporini, Jack F. Douglas

Diffusion of tracer molecules in glass-forming liquids is modeled in terms of diffusion in an obstructed space. For simplicity the obstructions are taken to be

Theta-Like Specimens for Measuring Mechanical Properties at the Small-Scale: Effects of Non-Ideal Loading

October 12, 2021

Author(s)

David Henann, Li Ma, Lin-Sien H. Lum

As material structures and devices build from them shrink to the nano-scale, it is ever more difficult to measure accurately mechanical properties and behavior

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