Now showing items 4-23 of 63

    • Broadband 2-μm emission on silicon chips: Monolithically integrated Holmium lasers 

      Li, Nanxi; Magden, Emir Salih; Su, Zhan; Singh, Neetesh; Ruocco, Alfonso; Xin, Ming; Byrd, Matthew; Callahan, Patrick T.; Bradley, Jonathan D.; Baiocco, Christopher; Vermeulen, Diedrik; Watts, Michael R. (Optical Society of America, 2018)
      Laser sources in the mid-infrared are of great interest due to their wide applications in detection, sensing, communication and medicine. Silicon photonics is a promising technology which enables these laser devices to be ...
    • Design and simulation of sensor networks for tracking Wifi users in outdoor urban environments 

      Thron, Christopher; Tran, Khoi; Smith, Douglas; Benincasa, Daniel (Disruptive Technologies in Sensors and Sensor Systems, Proceedings of SPIE, 2017)
      We present a proof-of-concept investigation into the use of sensor networks for tracking of WiFi users in outdoor urban environments. Sensors are fixed, and are capable of measuring signal power from users’ WiFi devices. ...
    • Detection of silicide formation in nanoscale visualization of interface electrostatics 

      Nolting, Westly; Durcan, Chris; LaBella, Vincent P. (Applied Physics Letters, 2017)
      The ability to detect localized silicide formation at a buried metal semiconductor Schottky interface is demonstrated via nanoscale measurements of the electrostatic barrier. This is accomplished by mapping the Schottky ...
    • Determining form and data assimilation algorithm for weakly damped and driven Korteweg-de Vries equation - Fourier modes case 

      Jolly, Michael S.; Sadigov, Tural; Titi, Edriss S. (Nonlinear Analysis: Real World Applications, 2017-08)
      We show that the global attractor of a weakly damped and driven Korteweg–de Vries equation (KdV) is embedded in the long-time dynamics of an ordinary differential equation called a determining form. In particular, there ...
    • Disorder density of states in supported graphene 

      Lee, Ji Ung; Sinha, Dhiraj (Journal of Applied Physics, 2014)
      Transport in graphene is impacted by disorder. Disorder, which can occur on supported graphene, manifests as a significant shift in the Fermi level position from the charge neutrality point (Dirac point) and leads to ...
    • Double emulsion electrospun nanofibers as a growth factor delivery vehicle for salivary gland regeneration 

      Foraida, Zahraa I.; Sharikova, Anna; Peerzada, Lubna N.; Khmaladze, Alexander; Larsen, Melinda; Castracane, James (SPIE Nanoscience + Engineering, 2017-08-29)
      Sustained delivery of growth factors, proteins, drugs and other biologically active molecules is necessary for tissue engineering applications. Electrospun fibers are attractive tissue engineering scaffolds as they partially ...
    • Effect of ocular shape and vascular geometry on retinal hemodynamics: a computational model 

      Dziubek, Andrea; Guidoboni, Giovanna; Harris, Alon; Hirani, Anil N.; Rusjan, Edmond; Thistleton, William (2016)
    • Electromagnetic trace anomaly in a generalized linear sigma model 

      Fariborz, Amir H.; Jora, Renata (American Physical Society, 2017)
      We build the electromagnetic trace anomaly effective term for a generalized linear sigma model with two chiral nonets, one with a quark-antiquark structure and the other one with a four-quark content. In the leading order ...
    • Electronic structure, excitation properties, and chemical transformations of extreme ultra-violet resist materials 

      Rangan, Sylvie; Bartynski, Robert; Narasimhan, Amrit; Brainard, Robert (American Institute of Physics, 2017-07-12)
      The electronic structure of extreme ultra violet resist materials and of their individual components, two polymers and two photoacid generators (PAGs), is studied using a combination of x-ray and UV photoemission spectroscopies, ...
    • Engineering crystallinity of atomic layer deposited gate stacks containing ultrathin HfO2 and a Ti-based metal gate: Effects of postmetal gate anneal and integration schemes 

      Consiglio, Steven; Tapily, Kandabara; Clark, Robert D.; Hasegawa, Toshio; Amano, Fumitaka; Leusink, Gert J.; Jordan-Sweet, Jean; Vasić, Relja; Medikonda, Manasa; Diebold, Alain C. (Journal of Vacuum Science & Technology B, Nanotechnology and Microelectronics: Materials, Processing, Measurement, and Phenomena, 2014)
      In this study, the authors examined the effects of different annealing schemes on crystallinity in atomic layer deposition (ALD) grown Ti-containing metal gates and ultrathin ALD HfO2 high-k dielectric layers, and corresponding ...
    • Engineering structurally interacting RNA (sxRNA) 

      Doyle, Francis; Lapsia, Sameer; Spadaro, Salvatore; Wurz, Zachary E.; Bhaduri-McIntosh, Sumita; Tenenbaum, Scott A. (Scientific Reports, 2015)
      RNA-based three-way junctions (3WJs) are naturally occurring structures found in many functional RNA molecules including rRNA, tRNA, snRNA and ribozymes. 3WJs are typically characterized as resulting from an RNA molecule ...
    • Enhancing one dimensional sensitivity with plasmonic coupling 

      O’Mullane, Samuel; Peterson, Brennan; Race, Joseph; Keller, Nick; Diebold, Alain C. (Optics Express, 2014)
      In this paper, we propose a cross-grating structure to enhance the critical dimension sensitivity of one dimensional nanometer scale metal gratings. Making use of the interaction between slight changes in refractive index ...
    • Enhancing one dimensional sensitivity with plasmonic coupling: Erratum 

      O’Mullane, Samuel; Peterson, Brennan; Race, Joseph; Keller, Nick; Diebold, Alain C. (Optics Express, 2016)
      Our manuscript contained data from unconverged rigorous coupled wave approximation (RCWA) simulations that resulted in incorrect description of minima locations. Here, converged RCWA simulations are presented with corrected ...
    • Enhancing Resource Sharing Access through System Integration 

      Pritting, Shannon; Jones III, William; Jackson, Timothy; Mulligan, Michael (Journal of Interlibrary Loan, Document Delivery & Electronic Reserve, 2017-04-12)
      The application and IT ecosystem of academic libraries typically includes multiple systems, with crucial functions requiring using or sharing information between them. However, library systems are often not well integrated, ...
    • Genetic Analysis of the Indri Reveals No Evidence of Distinct Subspecies 

      Brenneman, Rick; McLain, Adam; Taylor, Justin; Zaonarivelo, John; Lei, Runhua; McGuire, Susie; Andriantompohavana, Rambinintsoa; Rylands, Anthony; Louis Jr., Edward (Springer, 2016-07-25)
      Subspecies were traditionally defined by identifying gaps between phenotypes across the geographic range of a species, and may represent important units in the development of conservation strategies focused on preserving ...
    • Geometric algebra and information geometry for quantum computational software 

      Cafaro, Carlo (Physica A: Statistical Mechanics and its Applications, 2017-03-15)
      The art of quantum algorithm design is highly nontrivial. Grover’s search algorithm constitutes a masterpiece of quantum computational software. In this article, we use methods of geometric algebra (GA) and information ...
    • Growth of strained InGaSb quantum wells for p-FET on Si: Defects, interfaces, and electrical properties 

      Madisetti, Shailesh; Tokranov, Vadim; Greene, Andrew; Yakimov, Michael; Hirayama, Makoto; Oktyabrsky, Serge (Journal of Vacuum Science & Technology B, Nanotechnology and Microelectronics: Materials, Processing, Measurement, and Phenomena, 2014)
      A study of heteroepitaxial molecular beam epitaxy growth of strained p-channel InGaSb quantum well (QW) on lattice mismatched Si (100) using Al(Ga)Sb metamorphic buffers is presented in this paper. The migration enhanced ...
    • Importance of growth direction in mid-infrared quantum cascade lasers 

      Bouzi, Pierre M.; Chiu, YenTing; Deutsch, Christoph; Dikmelik, Yamac; Song, Yu; Tokranov, Vadim; Oktyabrsky, Serge; Gmachl, Claire (Journal of Applied Physics, 2014)
      We report on the effect of growth direction on the performance of mid-infrared Quantum Cascade lasers. The design used has a symmetric active core, capable of operating under both negative and positive polarities, which ...
    • Interface trap density and mobility extraction in InGaAs buried quantum well metal-oxide-semiconductor field-effect-transistors by gated Hall method 

      Chidambaram, Thenappan; Veksler, Dmitry; Madisetti, Shailesh; Greene, Andrew; Yakimov, Michael; Tokranov, Vadim; Hill, Richard; Oktyabrsky, Serge (Applied Physics Letters, 2014)
      In this work, we are using a gated Hall method for measurement of free carrier density and electron mobility in buried InGaAs quantum well metal-oxide-semiconductor field-effect-transistor channels. At room temperature, ...
    • Investigating efficient methods for computing four-quark correlation functions 

      Abdel-Rehim, Abdou; Alexandrou, Constantia; Berlin, Joshua; Dalla Brida, Mattia; Finkenrath, Jacob; Wagner, Marc (Computer Physics Communications, 2017-07-11)
      We discuss and compare the efficiency of various methods, combinations of point-to-all propagators, stochastic timeslice-to-all propagators, the one-end trick and sequential propagators, to compute two-point correlation ...