http://www.ntis.gov/rss/RSSNTISCategoryList.aspxNational Technical Reports Libraryen(c) 2008, National Technical Information Service. All rights reserved.5http://www.ntis.gov/images/logoRSS.jpghttp://www.ntis.govAscent particle filters on enclosures containing space hardware, such as electronics boxes, regulate venting of these enclosures during launch and ascent. While allowing venting to occur, these filters prevent the transport of particles into and out ...http://www.ntis.gov/search/product.aspx?ABBR=ADA506022The National Institute of Standards and Technology (NIST), an agency of the U.S. Department of Commerce, carries out its mission of promoting U.S. innovation and industrial competitiveness by developing and applying technology, measurements, and stan ...http://www.ntis.gov/search/product.aspx?ABBR=PB2010101608This paper presents empirical results of cable noise reduction techniques as demonstrated using bulk current injection (BCI) techniques with radiated fields from 50 kHz - 400 MHz. It is a follow up to the two-part paper series presented at the Asia P ...http://www.ntis.gov/search/product.aspx?ABBR=N20090030527This report explores a new way to think about designing digital systems, creating chip generators rather than chips, to resolve the crisis facing the chip industry: the need for high energy efficiency pushes us to create customized computing devices ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505937Vigilance tasks, from driving to surveillance to security remain important and frequent tasks for the US Army. Yet the difficulty users have sustaining vigilance is well known. Augmented cognition offers new methods for supporting sustained vigilance ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505749We report the status of ongoing activities in development of a compact, low-power atomic time/frequency standard, the Chip-Scale Atomic Clock (CSAC). The status of efforts addressing the refinement of the CSAC for improved mechanical and environmenta ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505746The increasing threat of microbial weapons of mass destruction (WMD) creates a critical need for rapid development and deployment of target-specific microsensor detection systems. Next-generation biosensor-dependent technologies must incorporate inte ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505820A theory of generation linewidth of a spin-torque oscillator (STO) based on an in-plane magnetized nanopillar with an anisotropic 'free' magnetic layer has been developed. It is shown that the coherent properties of microwave generation strongly depe ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505876Electrical Resistance Heating (ERH) was applied at Site 1 located at the U.S. Naval Station Annapolis from January to June 2006. ERH was applied to treat soils and groundwater at depths up to 66 ft below ground surface and contaminated primarily with ...http://www.ntis.gov/search/product.aspx?ABBR=ADA506094Carbon nanofibers are promising interconnect materials for future military applications. How they behave in the elevated ambient temperature environment of a battle field is studied by performing series of current- induced nanofiber breakdown experim ...http://www.ntis.gov/search/product.aspx?ABBR=ADA506111Advances in sensor imaging technologies permit the Soldier to extend mission performance beyond daytime operations and into the night. Visual helmet- mounted displays (HMDs) have increasingly been used to provide supplemental information to the Soldi ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505752We are designing and fabricating arrays of subwavelength SP structures in metal films and combining these structures with EO polymers to understand the interaction of the EO polymer with the enhanced electric fields of the plasmons. We have designed ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505866In this paper we describe solutions to address critical challenges in direct fabrication of amorphous silicon thin film transistor (TFTs) arrays for high information content active matrix flexible displays for Army applications. For all flexible subs ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505769Arising as a new class of energetic material, nanoporous energetic silicon holds great potential for applications such as fuzing and thrust generation, which require large power output. In this paper we address fabrication and material characterizati ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505742We present a high yield filling technique of multi-walled carbon nanotubes (MWCNTs), grown vertically on a SiO2 substrate, with magnetic nanoparticles using pulsed laser deposition (PLD). Magnetization measurements in-plane and out-of-plane with resp ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505741Much attention has been paid in recent years to poling thin-film doped polymers for electro-optics applications, mostly in the area of telecommunications switching devices. However, there are applications where a larger thickness of guest-host polyme ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505856Most III-V nitride light emitting diodes have an n-type down structure with Ga polarity. In such a device, the active layer is grown on top of the n-cladding layer and the p-type cladding layer is grown on top of the active layer. We have analyzed th ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505915Innovation in sensing technology is necessary in order to decrease negative outcomes in the event of a chemical or biological exposure. The sensors currently used to detect chemical and biological agents are too bulky, complex, and costly. The thrust ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505745We report measurements of the low-frequency photon noise and the relative intensity noise of an interband cascade laser as a function of laser current at 30 K and 100 K. Away from threshold, the laser primarily exhibits a frequency-independent photon ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505917Corrugated feed horns offer excellent beam symmetry, main beam efficiency, and cross-polar response over wide bandwidths, but can be challenging to fabricate. An easier-to-manufacture smooth-walled feed is explored that approximates these properties ...http://www.ntis.gov/search/product.aspx?ABBR=N20090026965High heat flux removal from devices such as Insulated-Gate Bipolar Transistor (IGBT) and Monolithic Microwave Integrated Circuit (MMIC) will be important for future Navy ships. Micro encapsulated phase change material (MEPCM) slurry was used as a hea ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505991A nanoscale sensing modality for detection of bacterial contaminants was developed. The modality uses fluorescent nanoparticles, also known as 'Quantum dots' (QDs) conjugated to fragmented antibodies of targeted contaminants, and a quenching dye that ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505743Nonpolar nitride semiconductor materials containing a wide range of structural defects are studied. High quality InGaN quantum wells grown on bulk stacking fault (SF) -free GaN substrates show larger PL intensity and shorter PL lifetime with decreasi ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505854Zinc oxide (ZnO) is a promising wide band gap semiconductor. It has a direct energy band gap, Eg of 3.3eV at room temperature. ZnO can be alloyed with CdO and MgO to form the ternaries CdxZn1-xO and MgxZn1-xO, extending the direct energy band from 2. ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505710Current rectification property of chemical vapor deposited (CVD), as- grown single-walled carbon nanotube (SWNT) is investigated. The long strands of SWNT bundles are used to fabricate multiple arrays of switching devices with the channel length of 3 ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505851In the laboratory we used an idealized rotorwash flow - an axisymmetric jet impinges normally on a packed bed of cohesionless particles - and measured the spatially varying flow field and entrainment flux under an axisymmetric jet over a range of jet ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505857In this article, we report on the successful demonstration of lead zirconate titanate (PZT) thin film based MEMS devices for use in radio frequency (RF) systems. Individual series switches and single pole multi-throw switching elements operating at o ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505912The Proceedings of the Tenth European Meeting on Ferroelectrics (EMF-10) are being published in seven parts (Parts I-VII). The first four parts (Parts I, II, III, and IV) are published in Volumes 301-304 of Ferroelectrics and the last three parts (Pa ...http://www.ntis.gov/search/product.aspx?ABBR=PB2010100042This paper details the synthesis and characterization of Silicon (Si) nanostructured powder with a wide variety of morphologies such as nanoparticles, nanowires, nanotubes, etc., produced by DC plasma arc discharge route. These nanostructures were sy ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505865Subjects covered include: applications of oscillators and clocks; types of oscillators (quartz and atomic); resonator properties; quartz growing, sweeping, and properties; Q and its significance; resonator and oscillator stability, including aging, n ...http://www.ntis.gov/search/product.aspx?ABBR=ADM001251Embedded resistors are resistors fabricated inside of printed circuit boards used as an alternative to discrete resistor components that are mounted on the surface of the boards. However, it is difficult to fabricate embedded resistors to the require ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505875Nanoelectronic devices form the building blocks of the nanoscaled systems and require innovative technologies for their realization. Single Electron Transistors (SET) is a novel class of nano transistor which operates on the principle of Coulomb bloc ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505733Due to quantum confinement, superlattice detectors may conceivably be tuned to detect electromagnetic signatures difficult to detect with technology available today. The challenge in creating new superlattice detectors is in the growth process where ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505828In this paper, a summary of our work in the area of tunable microwave circuits based on thin film ferroelectrics is presented. First, a technique is introduced to improve the linearity of thin film ferroelectric tunable capacitors. Measurements show ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505853The single-electron transistor (SET) is one of the best candidates for future nano electronic circuits because of its ultralow power consumption and small size. SET devices operate on the principle of Coulomb blockade, which is more prominent at dime ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505744After a brief review of the characteristics of electrical stress degradation of flexible, amorphous silicon thin film transistors, the implications for various types of flexible circuitry including active matrix backplanes, integrated drivers and gen ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505761In this paper we examine two couplings that produce time-shifted synchronization in a pair of chaotic oscillators. The couplings do not utilize an explicit time-delay term. We characterize the observed synchronization by determining the dependence of ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505972Self-assembly opens new possibilities in three-dimensional (3-D) device structures, and here we report on our progress toward a self-assembling 3-D circuit. A major challenge to such a system has been the fabrication of large numbers of free-standing ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505770In this paper, we present the design of a reconfigurable antenna based on the dynamic tuning of a planar system that consists of a loop antenna, metamaterial spilt ring resonators (SRRs), and heterojunction photo transistors (HPTs). Simulation result ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505855