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Author: Mark Vaudin
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1. Accuracy and Resolution of Nanoscale Strain Measurement Techniques
William A Osborn, Lawrence H Friedman, Mark D Vaudin, Stephan J Stranick, Michael S. Gaither, Justin M Gorham, Victor Vartanian, Robert Francis Cook
2. Effect of Tin Doping on alpha-Fe2O3 Photoanodes for Water Splitting
Christopher Bohn, Amit Kumar Agrawal, Erich Conrad Walter, Mark D Vaudin, Andrew A Herzing, Paul M Haney, Albert A. Talin, Veronika A Szalai
Sputtered-deposited films of α-Fe2O3 of thickness 600 nm were investigated as photoanodes for solar
water splitting and found to have photocurrents as high as 0.8 mA/cm2 at 1.23 V vs. the reversible
hydrogen electrode (RHE). The incorporati ...
3. Micro-scale measurement and modeling of stress in silicon surrounding a tungsten-filled through-silicon via
Ryan P. Koseski, William A Osborn, Stephan J Stranick, Frank W DelRio, Mark D Vaudin, Thuy Dao, Vance H. Adams, Robert Francis Cook
The stress in silicon surrounding a tungsten-filled through-silicon via (TSV) is measured using confocal Raman microscopy line scans across the TSV both before and after etch removal of an oxide stack used as a mask to define the TSV during fabricati ...
4. Report on VAMAS Round Robin of ISO 13067: Microbeam Analysis—Electron Backscatter Diffraction—Measurement of Average Grain Size
NIST Interagency/Internal Report (NISTIR)
Adam A Creuziger, Mark D Vaudin
The authors recently participated in a round robin evaluation of a new ISO document draft, ISO 13067: Microbeam analysis – Electron backscatter diffraction – Measurement of average grain size. This report details the results of the study, some of th ...
5. Enhanced Mass Transport in Ultra-Rapidly-Heated Ni/Si Thin-Film Multilayers
Lawrence P. Cook, Richard E Cavicchi, Nabil Bassim, Susie Eustis, Winnie K Wong-Ng, Igor Levin, Ursula R Kattner, Carelyn E Campbell, Christopher B Montgomery, William F. Egelhoff Jr., Mark D Vaudin
We have investigated multilayer and bilayer Ni/Si thin films by nano-differential scanning calorimetry (DSC) at ultra rapid scan rates, in a temperature-time regime not accessible with conventional apparatus. DSC experiments were completed at slower ...
6. Measurement of heat capacity and enthalpy of formation of Nickel Silicide using Nano-calorimetry
Ravi Kummamuru, Lito De La Rama, Liang Hu, Mark D Vaudin, Mikhail Efremov, Martin L Green, David A LaVan, Leslie Allen
We present characterization of energetics of the reaction between nickel and silicon thin films using differential scanning nano-calorimetry (nano-DSC). For the first time, nano-DSC measurements up to 850 °C and of enthalpy of thin film reactions hav ...
7. Stress-Intensity Factor and Toughness Measurement at the Nanoscale using Confocal Raman Microscopy
Robert Francis Cook, Yvonne Beatrice Gerbig, Mark D Vaudin, Jeroen Schoenmaker, Stephan J Stranick
A confocal Raman microscopy technique is presented that allows stress measurement at the nanoscale, which in turn enables measurement of stress-intensity factors (SIF) at crack tips and thus toughness to be estimated. Peak-fitting and super-resolutio ...
8. Effect of crystallographic orientation on phase transformations during indentation of silicon
Yvonne Beatrice Gerbig, Dylan Morris, Stephan J Stranick, Mark D Vaudin, Robert Francis Cook
In a statistical nanoindentation study using a spherical probe, the effect of crystallographic orientation on the phase transformation of silicon (Si) was investigated. The presence and pressure at which events associated with phase transformation oc ...
9. Experimental and Simulation Studies of Resistivity of Nanoscale Copper Films
Emre Yarimbiyik, Harry A. Schafft, Richard A Allen, Mark D Vaudin, Mona Elwakkad Zaghloul
The effect of film thickness on the resistivity of thin, evaporated copper films (approximately 10 nm to 150 nm thick) was determined from sheet resistance, film thickness, and mean grain-size measurements by using four-point probe, profilometer, and ...
10. Structural and thermoelectric properties of Bi2Sr2Co2Oy thin films on LaAlO3 (100) and fused silica substrates
Winnie K Wong-Ng, Mark D Vaudin, Shufang Wang, L Venimadhav, Shengming Guo, Ke Chen, Qi Li, A Soukiassian, D.G. Schlom, X.Q. Pan, D.G. Cahill, X. X. Xi
We have grown Bi2Sr2Co2Oy thin films on LaAlO3 (100) and fused silica substrates by pulsed laser deposition. The films on LaAlO3 are c-axis oriented and partially in-plane aligned with multiple domains while the films on fused silica are preferred c- ...