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Journals

Class Numbers via 3-Isogenies and Elliptic Surfaces

November 6, 2012

Author(s)

Cam McLeman, Dustin Moody

We show that a character sum attached to a family of 3-isogenies defi ned on the fibers of a certain elliptic surface over Fp relates to the class number of the...

Dual-channel, single-photon upconversion detector near 1300 nm

November 5, 2012

Author(s)

Paulina S. Kuo, Jason S. Pelc, Oliver T. Slattery, Martin M. Fejer, Xiao Tang

Upconversion of 1.3-micron photons and detection using silicon avalanche photodiodes (Si APDs) can produce high photon detection efficiencies (PDEs) with low...

SPDC Correlated Photon Source Filtered for Narrowed Bandwidth using Volume Bragg Grating

November 5, 2012

Author(s)

Oliver T. Slattery, Paulina Kuo, Yong-Su Kim, Lijun Ma, Xiao Tang

A Volume Bragg Grating (VBG) can be used to efficiently extract a narrow bandwidth, highly collimated beam from an otherwise broad spectrum beam. We use a VBG...

Long Range Internal Stresses in Single-Phase Crystalline Materials

November 2, 2012

Author(s)

Mike Kassner, Peter Geantil, Lyle E. Levine

Backstresses, or long range internal stresses (LRIS), have been suggested by many to exist in plastically deformed crystalline materials. Elevated stresses may...

Solution Conformations of Prototype Foamy Virus Integrase and Its Stable Synaptic Complex with U5 Viral DNA

November 1, 2012

Author(s)

Kushol Gupta, Joseph E. Curtis, Susan N. Krueger, Young Hwang, Peter Cherepanov, Frederic Bushman, Gregory D. Van Duyne

The recently determined crystal structures of prototype foamy virus integrase (PFV IN) in complex with viral DNA and target DNA reveal the first high-resolution...

Towards Data Format Standardization for X-ray Absorption Spectroscopy

November 1, 2012

Author(s)

Bruce Ravel, J. R. Hester, V. A. Sole, M. Newville

A working group on data format standardization for X-ray Absorption Spectroscopy has recently formed under the auspices of International X-ray Absorption...

The Use of Plasmon Spectroscopy and Imaging in a TEM to Probe Physical Properties at the Nanoscale

November 1, 2012

Author(s)

Vladimir P. Oleshko

Valence EELS and energy-filtering TEM appear to be powerful tools to explore diverse nanoscale phenomena because they enable spatially-resolved real-time...

The Need for a Robust, Precise Time and Frequency Alternative to GNSS

November 1, 2012

Author(s)

Michael A. Lombardi, Mitch Narins, Per Enge, Ben Peterson, Sherman Lo, Yu-Hsuan Chen, Dennis Akos

Positioning, Navigation, and Timing (PNT) services are key enablers of both essential safety and security applications and economically beneficial capacity and...

Effect of offset values of solid freeform fabricated PCL/ß-TCP scaffolds on mechanical properties and cellular activities in bone tissue regeneration

November 1, 2012

Author(s)

Carl G. Simon Jr., GeunHyung Kim, MyungGu Yo

Microstructures of biomedical scaffolds can greatly affect cellular activities in tissue regeneration. In particular, scaffolds used in bone tissue regeneration...

East versus West: Organic Contaminant Differences in Brown Pelican (Pelecanus occidentalis) Eggs from South Carolina, USA and the Gulf of California, Mexico

November 1, 2012

Author(s)

Stacy S. Schuur, Daniel W. Anderson, Patrick G. Jodice, Joyce E. Stuckey

Brown pelicans (Pelecanus occidentalis) were listed as endangered in the United States in 1970, largely due to reproductive failure and mortality caused by...

Ave Atque Vale

November 1, 2012

Author(s)

Isabel M. Beichl

Indoor Air Quality Analyses of Commercial Reference Buildings

November 1, 2012

Author(s)

Lisa C. Ng, Amy Musser, Andrew K. Persily, Steven J. Emmerich

Sixteen commercial reference buildings were created in the multizone airflow and contaminant transport program CONTAM in order to support airflow and indoor air...

OpenADR Advances

November 1, 2012

Author(s)

David G. Holmberg, Girish Ghatikar, Ed Koch, Jim Boch

One important goal for the advancement of smart grid deployments is to enable buildings to dynamically respond to the supply of electricity. Buildings should...

Experimental set up for in situ Transmission Electron Microscopy observations of chemical processes

November 1, 2012

Author(s)

Renu Sharma

Recently, the applications of transmission electron microscopy (TEM) related techniques have extended from ex situ nanoscale characterization of structure and...

Simultaneous Imaging and Precision Alignment of Two mm Wave Antennas Based on Polarization-Selective Machine-Vision

November 1, 2012

Author(s)

Joshua A. Gordon

In this paper, we present an optical imaging tool, the Overlay Imaging Aligner (OIA), developed to aid in the mechanical alignment of antenna components in the...

Simultaneous Imaging and Precision Alignment of Two mm Wave Antennas Based on Polarization-Selective Machine-Vision

November 1, 2012

Author(s)

Joshua A. Gordon, David R. Novotny

In this paper, we present an optical imaging tool, the Overlay Imaging Aligner (OIA), developed to aid in the mechanical alignment of antenna components in the...

Simultaneous Imaging and Precision Alignment of Two mm Wave Antennas Based on Polarization-Selective Machine-Vision

November 1, 2012

Author(s)

Joshua A. Gordon, David R. Novotny

In this paper, we present an optical imaging tool, the Overlay Imaging Aligner (OIA), developed to aid in the mechanical alignment of antenna components in the...

Manipulating the Color and Shape of Single Photons

November 1, 2012

Author(s)

Michael G. Raymer, Kartik Srinivasan

Giant piezoelectricity in PMN-PT thin films: Beyond PZT

November 1, 2012

Author(s)

S. H. Baek, M. S. Rzchowski, Vladimir Aksyuk

Micro-electromechanical systems (MEMS) incorporating piezoelectric layers provide active transduction between electrical and mechanical energy, which enables...

Remote sensing of chiral signatures on Mars

November 1, 2012

Author(s)

William Sparks, James H. Hough, Thomas Germer, Frank Robb, Ludmilla Kolokolova

We describe circular polarization as a remote sensing diagnostic of chiral signatures which may be applied to Mars. The remarkable phenomenon of homochirality...

Infrared hemispherical reflectance of carbon nanotube mats and arrays in the 5 µm to 50 µm wavelength region

November 1, 2012

Author(s)

Chris Chunnilall, Aric Sanders, John H. Lehman, Evangelos Theocharous

We present the absolute infrared (5 u}m to 50 u}m) hemispherical reflectance of films produced from commercially available carbon nanotubes. Data were obtained...

Bright single photon emission from a quantum dot in a circular Bragg grating microcavity

November 1, 2012

Author(s)

Serkan Ates, Luca Sapienza, Marcelo I. Davanco, Antonio Badolato, Kartik Srinivasan

(001) FePt Graded Media with PtMn Underlayers

November 1, 2012

Author(s)

Chao-Chien Chiang, Wu-Chang Tsai, Liang-Wei Wang, Hao-Cheng Hou, Jung-Wei Liao, Hong-Ji Lin, Fan-Hsiu Chang, Brian Kirby, Chih-Huang Lai

(001)-oriented FePt graded media are obtained by using PtMn underlayers. The PtMn underlayer does not only behave as the (001) structural template, but provides...

Controlling the size and the activity of Fe particles for synthesis of carbon nanotubes

November 1, 2012

Author(s)

See-Wee Chee, Renu Sharma

The properties of carbon nanotubes (CNTs) are controlled by their structure and morphology. Therefore, their selective synthesis, using catalytic chemical vapor...

R134a/Al₂O₃ Nanolubricant Mixture Pool Boiling on a Rectangular Finned Surface

October 31, 2012

Author(s)

Mark A. Kedzierski

This paper quantifies the influence of Al2O3 nanoparticles on the pool boiling performance of R134a/polyolester mixtures on a rectangular finned boiling surface...

A Study on Safety: Highlights from Workshop on Ambulance Patient Compartments

October 31, 2012

Author(s)

Jennifer L. Marshall, Yung-Tsun T. Lee

In 2010, there were more than 250 U.S. ambulance crashes that were reported in the news media [Ballam 2011]. During such accidents, emergency medical...

Statics and Dynamics of the Highly Correlated Spin Ice, Ho₂Ge₂O₇

October 31, 2012

Author(s)

A. M. Hallas, J. A. M. Paddison, H. J. Silverstein, A. L. Goodwin, J. R. Stewart, A. Wildes, J. G. Cheng, J. S. Zhou, J. B. Goodenough, E. S. Choi, G. Ehlers, Jason S. Gardner, C. R. Wiebe, H. D. Zhou

The pyrochlore, Ho 2Ge 2O 7, is a new highly correlated spin ice material. Physical property measurements including X-ray diffraction, DC susceptibility and AC...

Realisation of an accurate and repeatable wavelength scale for double subtractive monochromators

October 30, 2012

Author(s)

Malcolm G. White

We present the results and discussion of two methods for achieving a higher degree of wavelength accuracy of double grating monochromators. In particular, we...

Metrology, Inspection & Failure Analysis: Introduction

October 30, 2012

Author(s)

David G. Seiler

Magnetic Resonance Properties of Gd(III)-Bound Lipid-Coated Microbubbles and their Cavitation Fragments

October 30, 2012

Author(s)

Jameel Feshitan, Michael A. Boss, Mark Borden

Gas-filled microbubbles are potentially useful theranostic agents for magnetic resonance imaging guided focused ultrasound surgery (MRIgFUS). Previously, MRI at...

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