Now showing items 652-671 of 3778

    • Characterizing Dynamic Transitions Associated with Snap-Through of Clamped Shallow Arches 

      Chandra, Yenny; Wiebe, Richard; Stanciulescu, Ilinca; Virgin, Lawrence N.; Spottswood, Stephen M.; Eason, Thomas G. (2013)
      Slender curved structures can often be found as components of complex structures in civil, mechanical, and aerospace systems. Under extreme loadings, a curved structure might undergo snap-through buckling, i.e., the structure ...
    • Characterizing Dynamic Transitions Associated With Snap-Through: A Discrete System 

      Wiebe, R.; Virgin, L. N.; Stanciulescu, Ilinca; Spottswood, S.M.; Eason, T.G. (2012)
      Geometrically nonlinear structures often possess multiple equilibrium configurations. Under extreme conditions of excitation, it is possible for these structures to exhibit oscillations about and between these co-existing ...
    • Characterizing Effective d31 Values for PZT from the Nonlinear Oscillations of Clamped-Clamped Micro- Resonators 

      Dick, Andrew J. (2013)
      In order to accurately predict the performance of micro-electromechanical systems which use piezoelectric material, precise knowledge of the piezoelectric coefficients is critical. Current material characterization methods ...
    • Charcoal Disrupts Soil Microbial Communication through a Combination of Signal Sorption and Hydrolysis 

      Gao, Xiaodong; Cheng, Hsiao-Ying; Del Valle, Ilenne; Liu, Shirley; Masiello, Caroline A.; Silberg, Jonathan J. (2016)
      The presence of charcoal in soil triggers a range of biological effects that are not yet predictable, in part because it interferes with the functioning of chemical signals that microbes release into their environment to ...
    • Charge Transfer Plasmons: Optical Frequency Conductances and Tunable Infrared Resonances 

      Wen, Fangfang; Zhang, Yue; Gottheim, Samuel; King, Nicholas S.; Zhang, Yu; Nordlander, Peter; Halas, Naomi J. (2015)
      A charge transfer plasmon (CTP) appears when an optical-frequency conductive pathway between two metallic nanoparticles is established, enabling the transfer of charge between nanoparticles when the plasmon is excited. ...
    • Charge Transport and Transfer at the Nanoscale Between Metals and Novel Conjugated Materials 

      Worne, Jeffrey (2012-09-05)
      Abstract Organic semiconductors (OSCs) and graphene are two classes of conjugated materials that hold promise to create flexible electronic displays, high speed transistors, and low-cost solar cells. Crucial to understanding ...
    • Charge-Dependent Transport Switching of Single Molecular Ions in a Weak Polyelectrolyte Multilayer 

      Tauzin, Lawrence J.; Shuang, Bo; Kisley, Lydia; Mansur, Andrea P.; Chen, Jixin; de Leon, Al; Advincula, Rigoberto C.; Landes, Christy F. (2014)
      The tunable nature of weak polyelectrolyte multilayers makes them ideal candidates for drug loading and delivery, water filtration, and separations, yet the lateral transport of charged molecules in these systems remains ...
    • Charge-transfer-based Gas Sensing Using Atomic-layer MoS2 

      Cho, Byungjin; Hahm, Myung Gwan; Choi, Minseok; Yoon, Jongwon; Kim, Ah Ra; Lee, Young-Joo; Park, Sung-Gyu; Kwon, Jung-Dae; Kim, Chang Su; Song, Myungkwan; Jeong, Yongsoo; Nam, Kee-Seok; Lee, Sangchul; Yoo, Tae Jin; Kang, Chang Goo; Lee, Byoung Hun; Ko, Heung Cho; Ajayan, Pulickel M.; Kim, Dong-Ho (2015)
      Two-dimensional (2D) molybdenum disulphide (MoS2) atomic layers have a strong potential to be used as 2D electronic sensor components. However, intrinsic synthesis challenges have made this task difficult. In addition, the ...
    • Charged iodide in chains behind the highly efficient iodine doping in carbon nanotubes 

      Zubair, Ahmed; Tristant, Damien; Nie, Chunyang; Tsentalovich, Dmitri E.; Headrick, Robert J.; Pasquali, Matteo; Kono, Junichiro; Meunier, Vincent; Flahaut, Emmanuel; Monthioux, Marc; Gerber, Iann C.; Puech, Pascal (2017)
      The origin of highly efficient iodine doping of carbon nanotubes is not well understood. Relying on first-principles calculations, we found that iodine molecules (I2) in contact with a carbon nanotube interact to form ...
    • Chip level LMMSE Equalization for Downlink MIMO CDMA in fast fading environments 

      de Baynast, Alexandre; Radosavljevic, Predrag; Cavallaro, Joseph R. (2004-11-01)
      In this paper, we consider linear MMSE equalization for wireless downlink transmission with multiple transmit and receive antennas in fast fading environment. We propose a new algorithm based on conjugate-gradient algorithm ...
    • Chiral and Achiral Nanodumbbell Dimers: The Effect of Geometry on Plasmonic Properties 

      Smith, Kyle W.; Zhao, Hangqi; Zhang, Hui; Sánchez -Iglesias, Ana; Grzelczak, Marek; Wang, Yumin; Chang, Wei-Shun; Nordlander, Peter; Liz-Marzán, Luis; Link, Stephan (2016)
      Metal nanoparticles with a dumbbell-like geometry have plasmonic properties similar to those of their nanorod counterparts, but the unique steric constraints induced by their enlarged tips result in distinct geometries ...
    • Chromosomal Arrangement of Phosphorelay Genes Couples Sporulation and DNA Replication 

      Narula, Jatin; Kuchina, Anna; Lee, Dong-yeon; Fujita, Masaya; Süel, Gürol M.; Igoshin, Oleg A. (2015)
      Genes encoding proteins in a common regulatory network are frequently located close to one another on the chromosome to facilitate co-regulation or couple gene expression to growth rate. Contrasting with these observations, ...
    • Chronic Infection Depletes Hematopoietic Stem Cells through Stress-Induced Terminal Differentiation 

      Matatall, Katie A.; Jeong, Mira; Chen, Siyi; Sun, Deqiang; Chen, Fengju; Mo, Qianxing; Kimmel, Marek; King, Katherine Y. (2016)
      Chronic infections affect a third of the world’s population and can cause bone marrow suppression, a severe condition that increases mortality from infection. To uncover the basis for infection-associated bone marrow ...
    • Circular Differential Scattering of Single Chiral Self-Assembled Gold Nanorod Dimers 

      Wang, Lin-Yung; Smith, Kyle W.; Dominiquez-Medina, Sergio; Moody, Nicole; Olson, Jana M.; Zhang, Huanan; Chang, Wei-Shun; Kotov, Nicholas; Link, Stephan (2015)
      Circular dichroism spectroscopy is essential for structural characterization of proteins and chiral nanomaterials. Chiral structures from plasmonic materials have extraordinary strong circular dichroism effects compared ...
    • Circular polarization dependent cyclotron resonance in large-area graphene in ultrahigh magnetic fields 

      Booshehri, L.G.; Mielke, C.H.; Rickel, D.G.; Crooker, S.A.; Zhang, Q.; Ren, L.; Haroz, E.H.; Rustagi, A.; Stanton, C.J.; Jin, Z.; Sun, Z.; Yan, Z.; Tour, J.M.; Kono, J. (2012)
      Using ultrahigh magnetic fields up to 170 T and polarized midinfrared radiation with tunable wavelengths from 9.22 to 10.67 μm, we studied cyclotron resonance in large-area graphene grown by chemical vapor deposition. ...
    • Citrate-Capped Gold Nanoparticle Electrophoretic Heat Production in Response to a Time-Varying Radio-Frequency Electric Field 

      Corr, Stuart J.; Raoof, Mustafa; Mackeyev, Yuri; Phounsavath, Sophia; Cheney, Matthew A.; Cisneros, Brandon T.; Shur, Michael; Gozin, Michael; McNally, Patrick J.; Wilson, Lon J.; Curley, Steven A. (2012)
      The evaluation of heat production from gold nanoparticles (AuNPs) irradiated with radio-frequency (RF) energy has been problematic due to Joule heating of their background ionic buffer suspensions. Insights into the physical ...
    • Classes and Mixins 

      Felleisen, Matthias; Flatt, Matthew; Krishnamurthi, Shriram (1999)
      While class-based object-oriented programming languages provide a flexible mechanism for re-using and managing related pieces of code, they typically lack linguistic facilities for specifying a uniform extension of many ...
    • Classification of hyperspectral imagery with neural networks: comparison to conventional tools 

      Merényi, Erzsébet; Farrand, William H.; Taranik, James V.; Minor, Timothy B. (2014)
      Efficient exploitation of hyperspectral imagery is of great importance in remote sensing. Artificial intelligence approaches have been receiving favorable reviews for classification of hyperspectral data because the ...
    • Classification Techniques for Undersampled Electromyography and Electrocardiography 

      Wilhelm, Keith (2012-10-01)
      Electrophysiological signals including electrocardiography (ECG) and electromyography (EMG) are widely used in clinical environments for monitoring of patients and for diagnosis of conditions including cardiac and neuromuscular ...
    • Client Beamforming for Rate Scalability of MU-MIMO Networks 

      Yu, Hang (2015-04-24)
      The multi-user MIMO (MU-MIMO) technology allows an AP with multiple antennas to simultaneously serve multiple clients to improve the network capacity. To achieve this, the AP leverages zero-forcing beamforming (ZFBF) to ...