Recent Submissions

  • 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 ...
  • Large-scale ex vivo generation of human neutrophils from cord blood CD34+ cells 

    Jie, Zhenwang; Zhang, Yu; Wang, Chen; Shen, Bin; Guan, Xin; Ren, Zhihua; Ding, Xinxin; Dai, Wei; Jiang, Yongping (PLoS ONE, 2017-07-11)
    Conventional high-dose chemotherapy frequently leads to severe neutropenia, during which patients experience a high risk of infection. Although support care with donor’s neutrophils is possible this choice is largely ...
  • Variation in Attitudes toward Being a Mother by Race/Ethnicity and Education among Women in the United States 

    Tichenor, Veronica; McQuillan, Julia; Greil, Arthur L.; Bedrous, Andrew V.; Clark, Amy; Shreffler, Karina M. (Sociological Perspectives, 2017)
    Do differences in experiences of motherhood (e.g., number of children, age at first child, and relationship type) by race/ethnicity and social class mean that attitudes toward motherhood also vary by social location? We ...
  • Understanding magnetic focusing in graphene p-n junctions through quantum modeling 

    LaGasse, Samuel W.; Lee, Ji Ung (Physical Review B, 2017-04-21)
    We present a quantum model which provides enhanced understanding of recent transverse magnetic focusing experiments on graphene p-n junctions. Spatially resolved flow maps of local particle current density show quantum ...
  • Strong photoluminescence enhancement of silicon oxycarbide through defect engineering 

    Ford, Brian; Tabassum, Natasha; Nikas, Vasileios; Gallis, Spyros (Materials, 2017-04-23)
    The following study focuses on the photoluminescence (PL) enhancement of chemically synthesized silicon oxycarbide (SiCxOy) thin films and nanowires through defect engineering via post-deposition passivation treatments. ...
  • Scalable fabrication of coupled NV center - photonic crystal cavity systems by self-aligned N ion implantation 

    Schröder, Tim; Walsh, Michael; Zheng, Jiabao; Mouradian, Sara L.; Li, Luozhou; Malladi, Girish; Bakhru, Hassaram; Lu, Ming; Stein, Aaron; Heuck, Mikkel; Englund, Dirk (2017, 2017)
    Towards building large-scale integrated photonic systems for quantum information processing, spatial and spectral alignment of single quantum systems to photonic nanocavities is required. Here, we demonstrate spatially ...
  • Safety and efficacy of megakaryocytes induced from hematopoietic stem cells in murine and nonhuman primate models 

    Guan, Xin; Qin, Meng; Zhang, Yu; Wang, Yanan; Shen, Bin; Ren, Zhihua; Ding, Xinxin; Dai, Wei; Jiang, Yongping (Stem Cells Translational Medicine, 2016)
    Because of a lack of platelet supply and a U.S. Food and Drug Administration-approved platelet growth factor, megakaryocytes have emerged as an effective substitute for alleviating thrombocytopenia. Here, we report the ...
  • 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 ...
  • Measurement of periodicity and strain in arrays of single crystal silicon and pseudomorphic Si1-xGex/Si fin structures using x-ray reciprocal space maps 

    Medikonda, Manasa; Muthinti, Gangadhara R.; Fronheiser, Jody; Kamineni, Vimal; Wormington, Matthew; Matney, Kevin; Adam, Thomas N.; Karapetrova, Evguenia; Diebold, Alain C. (Journal of Vacuum Science & Technology B, Nanotechnology and Microelectronics: Materials, Processing, Measurement, and Phenomena, 2014)
    Characterization of the periodicity and strain state of an array of lithographically patterned silicon and silicon-germanium alloy on silicon fins using reciprocal space mapping of Bragg diffraction peaks is presented. ...
  • 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 ...
  • Optical properties of pseudomorphic Ge1−xSnx (x = 0 to 0.11) alloys on Ge(001) 

    Medikonda, Manasa; Muthinti, Gangadhara R.; Vasić, Relja; Adam, Thomas N.; Reznicek, Alexander; Wormington, Matthew; Malladi, Girish; Kim, Yihwan; Huang, Yi-Chiau; Diebold, Alain C. (Journal of Vacuum Science & Technology B, Nanotechnology and Microelectronics: Materials, Processing, Measurement, and Phenomena, 2014)
    The characterization of the optical properties of pseudomorphic Ge1-xSnx/Ge/Si (x=0 to 0.11) alloys from the IR to UV is presented. The Ge1-xSnx alloys were epitaxially grown on relaxed Ge grown on Si. Rutherford backscattering ...
  • 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 ...
  • Metrology for block copolymer directed self-assembly structures using Mueller matrixbased scatterometry 

    Dixit, Dhairya J.; Kamineni, Vimal; Farrell, Richard; Hosler, Erik R.; Preil, Moshe; Race, Joseph; Peterson, Brennan; Diebold, Alain C. (Journal of Micro/Nanolithography, MEMS, and MOEMS, 2015)
    Patterning based on directed self-assembly (DSA) of block copolymer (BCP) has been demonstrated to be a cost-effective manufacturing technique for advanced sub-20-nm structures. This paper describes the application of ...
  • Pulsed-N2 assisted growth of 5-20 nm thick β−W films 

    Narasimham, Avyaya J.; Green, Avery; Matyi, Richard J.; Khare, Prasanna; Vo, Tuan; Diebold, Alain; LaBella, Vincent P. (AIP Advances, 2015)
    A technique to deposit 5-20 nm thick β-phase W using a 2-second periodic pulse of 1 sccm-N2 gas on Si(001) and SiN(5 nm)/Si(001) substrates is reported. Resistivity, X-ray photoelectron spectroscopy and X-ray reflectivity ...
  • Spectral element method for stability analysis of milling processes with discontinuous time-periodicity 

    Lehotzky, David; Insperger, Tamas; Khasawneh, Firas; Stepan, Gabor (International Journal of Advanced Manufacturing Technology, 2017)
    This paper presents an application of the spectral element method for the stability analysis of regenerative machine tool chatter models in milling operations. An extension of the spectral element method is introduced in ...
  • 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 ...
  • Tracking quintuple layer oxidation on cleaved Bi2Se3 by optical second-harmonic anisotropy 

    An, Yong Q.; Green, Avery J.; Diebold, Alain C. (Physical Review B, 2016)
    We find that the major and minor intensity lobes of a measured rotational-anisotropy pattern of optical second-harmonic generation (SHG) from a cleaved Bi2Se3 (111) surface can gradually change with time and eventually ...
  • 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 ...
  • Redox control of senescence and age-related disease 

    Chandrasekaran, Akshaya; Idelchik, Maria del Pilar Sosa; Melendez, J. Andrés (Redox Biology, 2017-03)
    The signaling networks that drive the aging process, associated functional deterioration, and pathologies has captured the scientific community's attention for decades. While many theories exist to explain the aging process, ...

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