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You searched on: Topic Area: Semiconductor Materials

Displaying records 21 to 30 of 46 records.
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21. Contact resistance of low-temperature carbon nanotube vertical interconnects
Topic: Semiconductor Materials
Published: 8/20/2012
Authors: Ann Chiaramonti Chiaramonti Debay, Sten Vollebregt, R. Ishihara, Hugo Schellevis, Kees Beenakker
Abstract: In this work the electrical contact resistance and length dependant resistance of vertically aligned carbon nano- tubes (CNT) grown at 500 °C with high tube density (1011) are investigated by measuring samples with different CNT lengths. From scannin ...

22. In situ electrochemical small-angle neutron scattering (eSANS) for quantitative structure and redox properties of nanoparticles
Topic: Semiconductor Materials
Published: 2/16/2012
Authors: Vivek M Prabhu, Vytautas Reipa
Abstract: Rapid growth in nanomaterial applications highlight limitations of available physicochemical characterization methods. An in situ electrochemical small-angle neutron scattering (eSANS) meth-odology was devised that enables direct measurements of nano ...

23. Micro-scale measurement and modeling of stress in silicon surrounding a tungsten-filled through-silicon via
Topic: Semiconductor Materials
Published: 10/11/2011
Authors: Ryan P. Koseski, William A Osborn, Stephan J Stranick, Frank W DelRio, Mark D Vaudin, Thuy Dao, Vance H. Adams, Robert Francis Cook
Abstract: 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 ...

24. Effect of AlN Buffer Layer Properties on the Morphology and Polarity of GaN Nanowires Grown by Molecular Beam Epitaxy
Topic: Semiconductor Materials
Published: 9/8/2011
Authors: Matthew David Brubaker, Kristine A Bertness, Norman A Sanford, Albert Davydov, Igor Levin, Devin M. Rourke, Victor M. Bright
Abstract: Low temperature AlN buffer layers grown by plasma-assisted Molecular Beam Epitaxy (MBE) on Si (111) were found to significantly affect the subsequent growth morphology of GaN nanowires. The AlN buffer layers exhibited nanowire-like columnar protrusi ...

25. A semicontinuum model for Si(x)Ge(1-x) alloys: calculation of their elastic characteristics and the strain field at the free surface of a semi-infinite alloy
Topic: Semiconductor Materials
Published: 7/11/2011
Authors: Vinod K Tewary, Mark D Vaudin
Abstract: A semicontiuum Green‰s-function-based model is proposed for analysis of averaged mechanical characteristics of Si(x)Ge(1-x). The atomistic forces in the model are distributed at discrete lattice sites, but the Green‰s function is approximated by the ...

26. A new interface defect spectroscopy method
Topic: Semiconductor Materials
Published: 4/13/2011
Authors: Jason T Ryan, Liangchun (Liangchun) Yu, Jae Han, Joseph J Kopanski, Kin P Cheung, Jason P Campbell, Fei Zhang, Chen Wang, John S Suehle, Vinny Tilak, Jody Fronheiser

27. Analysis of high-Q, gallium nitride nanowire resonators in response to deposited thin films
Topic: Semiconductor Materials
Published: 1/1/2011
Authors: J. R. Montague, M. Dalberth, J. M. Gray, D. Seghete, Kristine A Bertness, S M George, Victor M. Bright, C. T. Rogers, Norman A Sanford
Abstract: Gallium nitride nanowires (GaN-NWs) are systems of interest for mechanical resonance-based sensors due to their small mass and, in the case of c-axis NWs, high mechanical quality (Q) factors of 10,000‹100,000. We report on singly-clamped NW mechanic ...

28. Zone-Refinement Effect in Small Molecule‹Polymer Blend Semiconductors for Organic Thin Film Transistors
Topic: Semiconductor Materials
Published: 12/14/2010
Authors: Yeon Sook Chung, Nayool Shin, Jihoon Kang, Youngeun Jo, Vivek M Prabhu, Regis J Kline, John E Anthony, Do Y Yoon
Abstract: The blend films of small molecule semiconductors with insulating polymers exhibit not only an excellent solution processability, but also superior performance characteristics (field-effect mobility, on/off ratio, threshold voltage and stability) over ...

29. Band Alignment of Metal-Oxide-Semiconductor Structure by Internal Photoemission Spectroscopy and Spectroscopic Ellipsometry
Topic: Semiconductor Materials
Published: 5/28/2010
Authors: Nhan V Nguyen, Oleg A Kirillov, John S Suehle

30. Measuring the extent of phase separation in P3HT/PCBM photovoltaic blends with 1H spin diffusion NMR spectroscopy
Topic: Semiconductor Materials
Published: 4/5/2010
Authors: Ryan C Nieuwendaal, Chad R Snyder, Regis J Kline, Eric K Lin, David Lloyd VanderHart, Dean M DeLongchamp

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