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Browsing MIT Open Access Articles by Title

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  • Yang, Qing; Wang, Rui; Sima, Wenxia; Jiang, Chilong; Lan, Xing; Zahn, Markus (MDPI AG, 2012-03)
    In order to study the flashover mechanism of polluted insulators under AC voltage, a new arc propagation criterion which is based on an arc root voltage gradient is proposed. This criterion can explain the variation of the ...
  • Zhang, Yuxi; Rutledge, Gregory C. (American Chemical Society, 2012-05)
    Submicrometer fibers of polyaniline (PAni) doped with (+)-camphor-10-sulfonic acid (HCSA) and blended with poly(methyl methacrylate) (PMMA) or poly(ethylene oxide) were electrospun over a range of compositions. Continuous, ...
  • Christiano, Paul F.; Kelner, Jonathan Adam; Madry, Aleksander; Spielman, Daniel A.; Teng, Shang-Hua (Association for Computing Machinery, 2011-06)
    We introduce a new approach to computing an approximately maximum s-t flow in a capacitated, undirected graph. This flow is computed by solving a sequence of electrical flow problems. Each electrical flow is given by the ...
  • Tsuk, Michael; Dvorscak, Daniel; Ong, Chin Siong; White, Jacob K. (Institute of Electrical and Electronics Engineers (IEEE), 2009-12)
    rute-force simulation approaches to estimating serial-link bit-error rates (BERs) become computationally intractable for the case when BERs are low and the interconnect electrical response is slow enough to generate ...
  • Desai, Salil P.; Vahey, Michael D.; Voldman, Joel (American Chemical Society (ACS), 2009-02)
    Dielectrophoresis (DEP) has emerged as an important tool for the manipulation of bioparticles ranging from the submicron to the tens of microns in size. Here we show the use of phospholipid vesicle electroformation techniques ...
  • Cai, Yan; Bessette, Jonathan T.; Romagnoli, Marco; Kimerling, Lionel C.; Michel, Jurgen; Camacho-Aguilera, Rodolfo Ernesto; Patel, Neil Sunil (Optical Society of America, 2012-05)
    Electrically pumped lasing from Germanium-on-Silicon pnn heterojunction diode structures is demonstrated. Room temperature multimode laser with 1mW output power is measured. Phosphorous doping in Germanium at a concentration ...
  • Schmidt, Daniel J.; Moskowitz, Joshua S.; Hammond, Paula T. (American Chemical Society, 2010-11)
    Electrically triggered drug delivery represents an attractive option for actively and remotely controlling the release of a therapeutic from an implantable device (e.g., a “pharmacy-on-a-chip”). Here we report the fabrication ...
  • Steinberg, Hadar; Laloe, Jean-Baptiste; Fatemi, Valla; Moodera, Jagadeesh; Jarillo-Herrero, Pablo (American Physical Society (APS), 2011-12)
    We study coherent electronic transport in charge-density-tunable microdevices patterned from thin films of the topological insulator (TI) Bi[subscript 2]Se[subscript 3]. The devices exhibit pronounced electric field effect, ...
  • Taychatanapat, Thiti; Watanabe, Kenji; Taniguchi, Takashi; Jarillo-Herrero, Pablo (Nature Publishing Group, 2013-02)
    Electrons in a periodic lattice can propagate without scattering for macroscopic distances despite the presence of the non-uniform Coulomb potential due to the nuclei. Such ballistic motion of electrons allows the use of ...
  • Wygant, J. R.; Bonnell, J. W.; Goetz, K.; Ergun, R. E.; Mozer, F. S.; Bale, S. D.; Ludlam, M.; Turin, P.; Harvey, P. R.; Hochmann, R.; Harps, K.; Dalton, G.; McCauley, J.; Rachelson, W.; Gordon, D.; Donakowski, B.; Shultz, C.; Smith, C.; Dizaz-Aguado, M.; Fischer, J.; Heavner, S.; Berg, P.; Malsapina, D. M.; Bolton, M. K.; Hudson, M.; Strangeway, R. J.; Baker, D. N.; Li, X.; Albert, J.; Foster, John C. (Springer-Verlag, 2013-10)
    The Electric Fields and Waves (EFW) Instruments on the two Radiation Belt Storm Probe (RBSP) spacecraft (recently renamed the Van Allen Probes) are designed to measure three dimensional quasi-static and low frequency ...
  • Bauer, Uwe; Emori, Satoru; Beach, Geoffrey Stephen (American Institute of Physics (AIP), 2012-05)
    The influence of a gate voltage on domain wall (DW) propagation is investigated in ultrathin Pt/Co/gadolinium oxide (GdOx) films with perpendicular magnetic anisotropy. The DW propagation field can be enhanced or retarded ...
  • Yankowitz, Matthew; Wang, Joel I-Jan; Birdwell, A. Glen; Chen, Yu-An; Watanabe, K.; Taniguchi, T.; Jacquod, Philippe; San-Jose, Pablo; Jarillo-Herrero, Pablo; LeRoy, Brian J. (Nature Publishing Group, 2014-04)
    The crystal structure of a material plays an important role in determining its electronic properties. Changing from one crystal structure to another involves a phase transition that is usually controlled by a state variable ...
  • Adam, Jonathan Adam; Maymounkov, Petar Borissov (Springer-Verlag, 2009-12)
    We investigate an oblivious routing scheme amenable to distributed computation and resilient to graph changes, based on electrical flow. Our main technical contribution is a new rounding method which we use to obtain a ...
  • Voldman, Joel; Taff, Brian M.; Desai, Salil P. (American Institute of Physics, 2009-02)
    We present a platform for parallelized manipulations of individual polarizable micron-scale particles (i.e., microparticles) that combines negative dielectrophoretic forcing with the passive capture of hydrodynamic weir-based ...
  • Syed, Z.; Scirica, B. M.; Stultz, Collin M.; Guttag, John V. (Institute of Electrical and Electronics Engineers, 2010-04)
    Information in electrocardiographic (ECG) signals is widely believed to have value in the short-term prediction of arrhythmias. This study evaluates the use of morphologic variability (MV), a recently proposed metric ...
  • Gasteiger, Hubert A.; Crumlin, Ethan; McGuire, Robert; Shao-Horn, Yang; Lu, Yi-chun (The Electrochemical Society, 2010-07)
    Rechargeable lithium-air batteries have the potential to provide ≈3 times higher specific energy of fully packaged batteries than conventional lithium rechargeable batteries. However, very little is known about the oxygen ...
  • Suntivich, Jin; Gasteiger, Hubert A.; Yabuuchi, Naoaki; Shao-Horn, Yang (The Electrochemical Society, 2010-07)
    Transition-metal oxides can exhibit high electrocatalytic activity for reactions such as the oxygen reduction reaction (ORR) in alkaline media. It is often difficult to measure and compare the activities of oxide catalysts ...
  • Song, Yong-Ak; Melik, Rohat; Rabie, Amr N.; Ibrahim, Ahmed M. S.; Moses, David; Tan, Ara; Han, Jongyoon; Lin, Samuel J. (Nature Publishing Group, 2011-10)
    Conventional functional electrical stimulation aims to restore functional motor activity of patients with disabilities resulting from spinal cord injury or neurological disorders. However, intervention with functional ...
  • Hamill, Michael J.; Jost, Marco; Wong, Cintyu; Bene, Nicholas C.; Drennan, Catherine L.; Elliott, Sean J. (MDPI AG, 2012-12)
    When exposed to known DNA-damaging alkylating agents, Escherichia coli cells increase production of four DNA repair enzymes: Ada, AlkA, AlkB, and AidB. The role of three enzymes (Ada, AlkA, and AlkB) in repairing DNA lesions ...
  • Strobel, Sebastian; Harry, Katherine J; Duan, Huigao; Yang, Joel K. W.; Manfrinato, Vitor Riseti; Berggren, Karl K. (IOP Publishing, 2011-08)
    We present a new method for developing hydrogen silsesquioxane (HSQ) by using electrical potentials and deionized water. Nested-L test structures with a pitch as small as 9 nm were developed using this electrochemical ...
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