• Article  

      Impurity-induced antiferromagnetic order in the Haldane-gap compound PbNi2-xMgxV2O8 (x=0.24) 

      Lappas, A.; Alexandrakis, V.; Giapintzakis, John; Pomjakushin, V.; Prassides, K.; Schenck, A. (2002)
      An investigation of the effect of nonmagnetic Mg doping in the Haldane gap system PbNi2V2O8 is presented. Specifically, the magnetic properties of the quasi-one-dimensional compound PbNi2-xMgxV2O8 (x =0.24), located in the ...
    • Article  

      In silico assessment of mouth-throat effects on regional deposition in the upper tracheobronchial airways 

      Koullapis, P. G.; Nicolaou, L.; Kassinos, Stavros C. (2018)
      Regional deposition of inhaled medicines is a valuable metric of effectiveness in drug delivery applications to the lung. In silico methods are now emerging as a valuable tool for the detailed description of localized ...
    • Article  

      In situ observation of rapid reactions in nanoscale Ni-Al multilayer foils using synchrotron radiation 

      Fadenberger, K.; Gunduz, Ibrahim Emre; Tsotsos, Chrysostomos; Kokonou, Maria; Gravani, S.; Brandstetter, Stefan; Bergamaschi, Anna; Schmitt, Bernd; Mayrhofer, Paul H.; Doumanidis, C. C.; Rebholz, Claus (2010)
      The observation of rapid reactions in nanoscale multilayers present challenges that require sophisticated analysis methods. We present high-resolution in situ x-ray diffraction analysis of reactions in nanoscale foils of ...
    • Article  

      In Vitro localized release of thermosensitive liposomes with ultrasound-induced hyperthermia 

      Mannaris, Christophoros; Efthymiou, Eleni; Meyre, Marie-Edith; AVERKIOU, MICHALAKIS A. (2013)
    • Conference Object  

      In vitro prefailure mechanics of placental membranes 

      Barocas, V. Η; Oyen, M. L. L.; Stylianopoulos, T.; Calvin, S. E.; Landers, D. V. (Affiliation: Department of Obstetrics, Gynecology, and Women's Health, University of Minnesota, Minneapolis, MN, United StatesAffiliation: Department of Chemical Engineering, University of Minnesota, Minneapolis, MN, United StatesAffiliation: Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, United StatesCorrespondence Address: Oyen, M.L.L.Department of Obstetrics, Gynecology, and Women's Health, University of Minnesota, Minneapolis, MN, United States, 2005)
    • Article  

      An in vitro system for the study of ultrasound contrast agents using a commercial imaging system 

      Sboros, V.; Moran, C. M.; Anderson, T.; Gatzoulis, L.; Criton, A.; AVERKIOU, MICHALAKIS A.; Pye, S. D.; McDicken, W. N. (2001)
      An in vitro system for the investigation of the behaviour of contrast microbubbles in an ultrasound field, that provides a full diagnostic range of settings, is yet to be presented in the literature. The evaluation of a ...
    • Conference Object  

      In vivo imaging of microvasculature using optical coherence tomography 

      Vakoc, B. J.; Lanning, R. M.; Tyrrell, J. A.; Padera, T. P.; Bartlett, L. A.; Stylianopoulos, T.; Munn, L. L.; Tearney, G. J.; Fukumura, D.; Jain, R. K.; Bouma, Brett E. (Correspondence Address: Vakoc, B. J., 2010)
      In vivo imaging technologies drive the development of improved cancer therapies by revealing critical aspects of the complex pathophysiology of solid tumors in small animal models[1]. The abnormal vascular function, which ...
    • Article  

      In-plane paraconductivity in a single crystal of superconducting YBa2Cu3O7-x 

      Friedmann, T. A.; Rice, J. P.; Giapintzakis, John; Ginsberg, D. M. (1989)
      Resistivity measurements have been made in the a-b plane on a single-crystal sample of superconducting YBa2Cu3O7-x. The resistivity versus temperature curve shows a highly linear region between 150 and 240 K, with an upward ...
    • Article  

      InAs quantum dots grown by molecular beam epitaxy on GaAs (211)B polar substrates 

      Zervos, Matthew; Xenogianni, C.; Deligeorgis, G.; Androulidaki, M.; Savvidis, P. G.; Hatzopoulos, Z.; Pelekanos, N. T. (2006)
      InAs nanostructures were grown by molecular beam epitaxy on GaAs (211)B at temperatures between 400-530 °C and growth rates that were varied between 0.1 to 0.02 mono-layers (ML) per second. For temperatures up to 500 °C ...
    • Article  

      Indicator Dilution Models for the Quantification of Microvascular Blood Flow With Bolus Administration of Ultrasound Contrast Agents 

      Strouthos, Costas; Lampaskis, Marios; Sboros, Vassilis; McNeilly, Alan; AVERKIOU, MICHALAKIS A. (2010)
      Indicator dilution methods have a long history in the quantification of both macro- and microvascular blood flow in many clinical applications. Various models have been employed in the past to isolate the primary pass of ...
    • Article  

      Indium oxide as a possible tunnel barrier in spintronic devices 

      Androulakis, J.; Gardelis, S.; Giapintzakis, John; Gagaoudakis, E.; Kiriakidis, G. (2005)
      We report the growth of ultra-thin indium oxide layers using the dc-magnetron sputtering method. We demonstrate that good quality tunnel barriers made of indium oxide can be routinely fabricated and employed in spintronic-related ...
    • Article  

      Inertial, viscous and yield stress effects in Bingham fluid filling of a 2-D cavity 

      Alexandrou, Andreas N.; Duc, E.; Entov, V. (2001)
      The present study concentrates on Bingham fluid filling of a 2-D cavity and examines the relative importance of inertial, viscous and yield stress effects on the filling profile. The results presented are obtained using ...
    • Article  

      Influence of polarization field on the lasing properties of III-nitride quantum wells 

      Dialynas, G. E.; Deligeorgis, G.; Zervos, Matthew; Pelekanos, N. T. (2006)
      A theoretical investigation of the effect of polarization-induced fields on the optoelectronic properties of a 3 nm In0.2Ga0.8N/GaN single quantum well has been carried out via a self-consistent solution of Schrödinger-Poisson ...
    • Conference Object  

      Influence of processing conditions on the thermoelectric properties of La1-xSrxCoO3 (x=0, 0.05) 

      Papageorgiou, C.; Athanasopoulos, G. I.; Kyratsi, Theodora; Giapintzakis, John (Affiliation: Department of Mechanical and Manufacturing Engineering, University of Cyprus, 75 Kallipoleos Avenue, 1678 Nicosia, CyprusCorrespondence Address: Papageorgiou, C.Department of Mechanical and Manufacturing Engineering, University of Cyprus, 75 Kallipoleos Avenue, 1678 Nicosia, Cyprus, 2012)
      La1-xSrxCoO3 (x=0, 0.05) powders were prepared using the citrate-gel (Pechini) process. Pellets formed from these powders were sintered at various temperatures. All samples were characterized by means of X-Ray Diffraction ...
    • Article  

      The influence of structure on thermal behavior of reactive Al–Ni powder mixtures formed by ball milling 

      Hadjiafxenti, A.; Gunduz, I. E.; Tsotsos, C.; Kyratsi, Theodora; Aouadi, S. M.; Doumanidis, C. C.; Rebholz, Claus (2010)
      Ball milling (BM) was used to produce reactive Al–Ni powder mixtures that exhibit self-propagating exothermic reactions (SPER) for nano–micro heater applications. Powders with an Al–Ni molar ratio of 1:3 were milled, cold ...
    • Article  

      Influence of the nonmagnetic impurities on the spin-1 Heisenberg chain SrNi2V2O8 system 

      Giapintzakis, John; Androulakis, J.; Syskakis, E.; Papageorgiou, Th P.; Apostolopoulos, G.; Thanos, S.; Papastaikoudis, C. (2006)
      De-magnetization and heat capacity measurements on polycrystalline samples of SrNi2-xMgxV2O8 (x = 0 and 0.05) are reported. The magnetization data suggest that both compounds are S= 1 quasi one-dimensional Heisenberg ...
    • Article  

      Influence of water model and nanotube rigidity on the density of water in carbon nanotubes 

      Alexiadis, A.; Kassinos, Stavros C. (2008)
      The density of water calculated through molecular dynamic simulations using different water models and rigid/flexible carbon nanotubes is studied. A previous equation, determined in an earlier work in order to correlate ...
    • Article  

      Inhomogeneities and Effective Mass in Doped Mg2Si 

      Stefanaki, E. C.; Polymeris, G. S.; Ioannou, M.; Pavlidou, E.; Hatzikraniotis, E.; Kyratsi, Theodora; Paraskevopoulos, K. M. (2016)
      Magnesium silicide (Mg2Si)-based materials are promising candidates as thermoelectric components for mid-temperature range (500–900 K) energy conversion. Many different approaches for determining the parabolicity of the ...
    • Conference Object  

      Initial assessment of the thermoelectric properties for the mixed system K2-xRbxBi8Se13 

      Ireland, J. R.; Kyratsi, Theodora; Kanatzidis, M. G.; Kannewurf, C. R. (Affiliation: Dept. of Elec. and Comp. Engineering, Northwestern University, Evanston, IL 60208-3118, United StatesCorrespondence Address: Ireland, J.R.Dept. of Elec. and Comp. Engineering, Northwestern University, Evanston, IL 60208-3118, United States, 2002)
      In previous studies we have investigated the thermoelectric properties of undoped and doped compositions of β-K2Bi8Se13. The attempt to substitute Rb for K resulted in a different structure type, but with potentially useful ...
    • Conference Object  

      Injection molding of dilute and semi-dilute fiber suspensions 

      Alexandrou, Andreas N.; Ahmed, Alauddin (Publ by ASME, 1992)
      The focus of this paper is unsteady flow of semi-dilute fiber suspensions in complex geometries. These flows are typical of injection molding problems in which the raw material in granular form, usually plastic resin mixed ...