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Displaying 22451 - 22475 of 143775

LOW-GWP REFRIGERANTS FOR MEDIUM AND HIGH-PRESSURE APPLICATIONS

September 19, 2017
Author(s)
Piotr A. Domanski, Riccardo Brignoli, S J. Brown, Andrei F. Kazakov, Mark O. McLinden
The merits of an alternative refrigerant are established based on many attributes including environmental acceptance, chemical stability in the refrigeration system, low toxicity, flammability, efficiency and volumetric capacity. In an earlier work, these

3D Nanometrology Based on SEM Stereophotogrammetry

September 18, 2017
Author(s)
Vipin N. Tondare, John S. Villarrubia, Andras Vladar
Three-dimensional (3D) reconstruction of a sample surface from scanning electron microscope (SEM) images taken at two perspectives has been known for decades. However, this method has not been widely used in the semiconductor industry for 3D measurements

Analytical Methods and Development of Reference Materials for Toxic Metals and Metal Species in Food and Dietary Supplements

September 18, 2017
Author(s)
Stephen E. Long, Michael B. Ellisor, Frances Nilsen, Laura J. Wood, Karen E. Murphy, Lee L. Yu
Highly toxic metals such as arsenic, cadmium, lead and mercury are prevalent in the terrestrial and marine environments from both natural sources and anthropogenic activities. Contamination of food can often occur during agricultural production and food

Bound Electron Nonlinearity Beyond the Ionization Threshold

September 18, 2017
Author(s)
Jared K. Wahlstrand, Sina Zahedpour, H M. Milchberg
Using supercontinuum spectral interferometry, we measure the ionization induced optical phase shift in three noble gases and nitrogen and oxygen. Results largely support the standard model of filamentation.

Trichothiazole A, a dichlorinated polyketide featuring an embedded thiazole isolated from Trichodesmium thiebautii blooms

September 18, 2017
Author(s)
Tracey B. Schock, Peter D. Moeller, Rick Belisle, Christopher W. Via, Tracy A. Villareal, Kevin Beauchesne, Matthew J. Bertin, Paul Zimba
Mass spectrometry-guided isolation of the lipophilic extract of Trichodesmium thiebautii bloom material led to the isolation and structure characterization of a new thiazole-containing di-chlorinated polyketide (1). The structure of 1 was deduced using 1D

Chapter 10. Measurement of active nanoelectronic devices

September 17, 2017
Author(s)
Thomas M. Wallis, Pavel Kabos
Many of the most promising applications of nanomaterials involve active, nanoelectronic devices. For example, the intrinsic transport properties of single-walled, carbon nanotubes (CNTs) enable field effect transistors (FETs) that allow higher current

Chapter 11. Dopant profiling in semiconductor nanoelectronics

September 17, 2017
Author(s)
Thomas M. Wallis, Pavel Kabos
As nanoelectronic device dimensions are scaled down to atomic sizes, device performance becomes more and more sensitive to the exact arrangement of atoms, including individual dopants and defects, within the device. Thus, there is ongoing demand for

Chapter 12 Depth profiling

September 17, 2017
Author(s)
Thomas M. Wallis, Pavel Kabos
Microwave tomography is an active, developing research area. The objective is to visualize hidden, subsurface features through application of microwave radiation. Applications include ground penetrating radars (GPR) [1], defect spectroscopy in materials

Chapter 13. Dynamics of nanoscale magnetic systems

September 17, 2017
Author(s)
Thomas M. Wallis, Pavel Kabos
The topic of nanoscale magnetic systems is broad and could easily provide enough material for an entire book on its own. In this chapter, as in previous ones, we will focus on the nanoscale magnetic systems for which near-field scanning microwave
Displaying 22451 - 22475 of 143775
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