Now showing items 348-367 of 1036

    • Article  

      Hall effect above Tc in untwinned single-crystal YBa2Cu3O7-x: Normal-state behavior and superconducting fluctuations 

      Rice, J. P.; Giapintzakis, John; Ginsberg, D. M.; Mochel, J. M. (1991)
      We present a measurement of the Hall coefficient RH for an untwinned single crystal of YBa2Cu3O7-x. The crystal was produced by a method that does not involve thermomechanical detwinning, and has a resistivity along the ...
    • Article  

      Hall effect in an untwinned single crystal of YBa2Cu3O7-x 

      Rice, J. P.; Giapintzakis, John; Ginsberg, D. M.; Mochel, J. M. (1991)
      The Hall coefficient RH for untwinned single-crystal YBa2Cu3O7-x has been measured for the first time. The crystal was produced by a technique not requiring the application of stress. The measurements are made above the ...
    • Article  

      Hall effect in detwinned single crystals of YBa2(Cu1-xZnx)3O7-δ in the mixed state 

      Schegolev, A. I.; Giapintzakis, John; Manson, J. T.; Ginsberg, D. M.; Dumler, I. (1996)
      The effect of zinc doping on the mixed-state Hall effect in detwinned single crystals of YBa2Cu3O7-δ has been studied. We observe a sign reveral of the Hall effect in crystals with a superconducting transition temperature ...
    • Article  

      Hall effect in the mixed stat detwinned single crystals 

      Manson, J.; Giapintzakis, John; Schegolev, A.; Ginsberg, D. (1996)
      We have measured the Hall and longitudinal resistivities of detwinned (Formula presented)(Formula presented)(Formula presented)(Formula presented)(Formula presented) single crystals with x=0.05, 0.10, 0.15, and 0.20. In ...
    • Article  

      Hall effect study of magnetoresistive perovskite LaNi0.5Co 0.5O3 thin films 

      Androulakis, J.; Giapintzakis, John (2004)
      We report on the Hall effect of LaNi0.5Co0.5O 3 magnetoresistive thin films grown on Si(100) substrates by pulsed laser deposition. The Hall resistivity exhibits sign reversals both in varying magnetic field and temperature, ...
    • Book Chapter  

      Handbook of Energy Efficiency in Buildings: A lifecycle approach 

      Asdrubali, Francesco; Desideri, Umberto; Aelenei, Daniel; Agathokleous, Rafaela; Balaras, Constantinos; Bardinelli, Giorgio; Ballarini, Ilaria; Berardi, Umberto; Bertoldi, Paolo; Bianchi, Francesco; Bisegna, Fabio; Burattini, Chiara; Cabeza, Luisa; Castellani, Beatrice; Cecere, Carlo; Cellura, Maurizio; Cho, Heejin; Coch, Helena; Conti, Paolo; Corrado, Vincenzo; Curra, Edoardo; D' Alessandro, Francesco; Dascalaki, Elena; Santoli, Livio; Dong, Chuanshauai; Evangelisti, Luca; Fabrizio, Enrico (Elsevier, 2018-06-28)
    • Conference Object  

      Hardware acceleration of n-body simulations for galactic dynamics 

      Cook, Todd A.; Kim, Hong-Ryul; Louca, Loucas S. (Affiliation: Rutgers Univ., Piscataway, NJ, USA, United StatesCorrespondence Address: Cook, Todd A.Rutgers Univ., Piscataway, NJ, USAUnited States, 1995)
      N-body methods are used to simulate the evolution and interaction of galaxies. These simulations are usually run on large-scale supercomputers or on very expensive full-custom hardare. This paper presents an alternative ...
    • Conference Object  

      Harmonic Generation in Tissue with Matrix Arrays for 4D Cardiac THI 

      Lai, Ting-Yu; Kou, Sitai; Bruce, Matthew; Loupas, Thanasis; Averkiou, Michalakis A. (2019)
      Combining 4D echocardiography and tissue harmonic imaging (THI) may improve image quality and consequently diagnosis of heart disease. Beamforming considerations such as methodology for sampling the volume with ultrasound ...
    • Article  

      Harmonic generation with a dual frequency pulse 

      Keravnou, Christina P.; AVERKIOU, MICHALAKIS A. (2014)
      Nonlinear imaging was implemented in commercial ultrasound systems over the last 15 years offering major advantages in many clinical applications. In this work, pulsing schemes coupled with a dual frequency pulse are ...
    • Article  

      Harmonic generation with a dual frequency pulse 

      Keravnou, Christina P.; AVERKIOU, MICHALAKIS A. (2013)
      Nonlinear imaging was utilized in commercial ultrasound systems over the last 15 years offering major advantages in many clinical applications. In this work, pulsing schemes (pulse inversion, power modulated pulse inversion ...
    • Article  

      Heat channeling in extremely thin silicon-on-insulator devices: A simulation study 

      Orfanidou, C. M.; Giapintzakis, John (2013)
      Silicon-on-insulator (SoI) devices are particularly interesting for thermal management studies as they suffer from severe self-heating because of the very low and isotropic thermal conductivity of silicon dioxide that is ...
    • Article  

      High thermoelectric figure of merit of Mg2Si 0.55Sn0.4Ge0.05 materials doped with Bi and Sb 

      Khan, A. U.; Vlachos, N.; Kyratsi, Theodora (2013)
      Thermoelectric properties of new Bi- and Sb-doped Mg2Si 0.55Sn0.4Ge0.05 compounds prepared by powder methods were studied in the temperature range 300-823 K. The materials exhibited compositional inhomogeneites consisting ...
    • Article  

      High thermoelectric performance of Bi2-xSbxTe3 bulk alloys prepared from non-nanostructured starting powders 

      Symeou, E.; Nicolaou, Ch.; Delimitis, A.; Androulakis, J.; Kyratsi, Theodora; Giapintzakis, John (2019)
      In this work, hot press and hot deformation were applied to p-type Bi2-xSbxTe3 (x = 1.5-1.8) starting powders that have not undergone nanostructuring processing. The effects of hot pressing and hot deformation, as well ...
    • Article  

      High yield-low temperature growth of indium sulphide nanowires via chemical vapor deposition 

      Zervos, Matthew; Papageorgiou, P.; Othonos, A. (2010)
      Indium sulphide nanowires (NWs) have been grown on Si via the reaction of In and InCl3 with H2S using chemical vapor deposition at temperatures as low as 250 °C. We find that the growth of InxSy NWs via the direct reaction ...
    • Article  

      High-intensity focused ultrasound-mediated doxorubicin delivery with thermosensitive liposomes 

      Escoffre, Jean-Michel; Mannaris, Christophoros; Novell, Anthony; Rioc, Laëtitia; Meyre, Marie-Edith; Germain, Matthieu; AVERKIOU, MICHALAKIS A.; Bouakaz, Ayache (2012)
      Local drug delivery of doxorubicin holds promise to improve the therapeutic efficacy and to reduce toxicity profiles. Here, we investigated the release of doxorubicin from thermosensitive liposomes (Dox-TSL) into human ...
    • Article  

      Highly anisotropic crystal growth and thermoelectric properties of K 2Bi 8-xSb xSe 13 solid solutions: Band gap anomaly at low x 

      Kyratsi, Theodora; Dyck, J. S.; Chen, W.; Chung, D. Y.; Uher, C.; Paraskevopoulos, K. M.; Kanatzidis, M. G. (2002)
      The thermoelectric properties of solid solutions of the type β-K 2Bi 8-xSb xSe 13 (0<x<8) were studied with respect to thermal behavior, band gap variation, and charge transport properties as a function of x. At x values ...
    • Conference Object  

      How can a Multi-scale Analysis Guide Smart Urban Energy Demand Management? An Example from London City Westminster Borough 

      Mouzourides, P.; Kyprianou, Andreas; Choudhary, R.; Ching, J.; Neophytou, Marina K. A. (2017)
    • Article  

      How to perform Contrast-Enhanced Ultrasound (CEUS) 

      Dietrich, Christoph F.; Averkiou, Michalakis; Nielsen, Michael Bachmann; Barr, Richard G.; Burns, Peter N.; Calliada, Fabrizio; Cantisani, Vito; Choi, Byung; Chammas, Maria C.; Clevert, Dirk-André; Claudon, Michel; Correas, Jean-Michel; Cui, Xin-Wu; Cosgrove, David; D'Onofrio, Mirko; Dong, Yi; Eisenbrey, JohnR.; Fontanilla, Teresa; Gilja, Odd Helge; Ignee, Andre; Jenssen, Christian; Kono, Yuko; Kudo, Masatoshi; Lassau, Nathalie; Lyshchik, Andrej; Franca Meloni, Maria; Moriyasu, Fuminori; Nolsøe, Christian; Piscaglia, Fabio; Radzina, Maija; Saftoiu, Adrian; Sidhu, Paul S.; Sporea, Ioan; Schreiber-Dietrich, Dagmar; Sirlin, Claude B.; Stanczak, Maria; Weskott, Hans-Peter; Wilson, Stephanie R.; Willmann, Juergen Karl; Kim, Tae Kyoung; Jang, Hyun-Jung; Vezeridis, Alexandar; Westerway, Sue (2018)
      “How to perform contrast-enhanced ultrasound (CEUS)” provides general advice on the use of ultrasound contrast agents (UCAs) for clinical decision-making and reviews technical parameters for optimal CEUS performance. CEUS ...
    • Article  

      Hyaluronan-Derived Swelling of Solid Tumors, the Contribution of Collagen and Cancer Cells, and Implications for Cancer Therapy 

      Voutouri, C.; Polydorou, C.; Papageorgis, P.; Gkretsi, V.; Stylianopoulos, T. (2016)
      Despite the important role that mechanical forces play in tumor growth and therapy, the contribution of swelling to tumor mechanopathology remains unexplored. Tumors rich in hyaluronan exhibit a highly negative fixed charge ...
    • Book Chapter  

      Hybrid metal nanoparticle-semiconductor nanowire assemblies: Synthesis, properties and applications 

      Krasia-Christoforou, T.; Zervos, Matthew (Nova Science Publishers, Inc., 2013)
      Hybrid, semiconductor nanowire - metal nanoparticle assemblies have been investigated extensively in the context of nanotechnology for the development of novel sensors, solar cells, memory, energy storage and catalysis ...