Now showing items 1204-1223 of 1849

    • Nano-cellular microstructure evolution in ion-induced chemical vapor deposition (II-CVD) of copper 

      Ross, Francis L. (Francis LaFayette), 1968- (Massachusetts Institute of Technology, 2003)
      A systematic investigation of the microstructure produced in ion-induced chemical vapor deposition (11-CVD) of copper from copper(I)hexafluoroacetylacetonatevinyltrimethylsilane (Cu(I)hfacVTMS) gas precursor is reported. ...
    • Nano-contact printing of DNA monolayers 

      Tong, Angela, 1983- (Massachusetts Institute of Technology, 2005)
      Technology today is directed towards building smaller devices. To accommodate this development, printing methods are needed. Some printing methods that are used include lithography, micro-contact printing, and inkjet ...
    • Nanocrystalline alloys : enhanced strengthening mechanisms and mechanically-driven structural evolution 

      Rupert, Timothy J. (Timothy John) (Massachusetts Institute of Technology, 2011)
      Nanocrystalline materials have experienced a great deal of attention in recent years, largely due to their impressive array of physical properties. In particular, nanocrystalline mechanical behavior has been of interest, ...
    • Nanofiber characterization of self-assembling peptides RAD16 and RID 12 

      Charlton, Devon, 1982- (Massachusetts Institute of Technology, 2004)
      Self-assembling peptides are quickly proving themselves useful in tissue engineering and most recently, electronics. Self-assembling peptides have been shown to form a network of nanofibers that can be used in scaffold ...
    • Nanomanufacturing for biological sensing applications 

      Barsotti, Robert J., Jr (Massachusetts Institute of Technology, 2007)
      Over the past 10-15 years, there have been tremendous research efforts in the synthesis of nanomaterials with unique electronic properties. Much less work, however, has focused on the incorporation of the nanomaterials ...
    • Nanomechanical studies of metallic glasses at ambient and elevated temperatures 

      Packard, Corinne E (Massachusetts Institute of Technology, 2009)
      Bulk metallic glasses, though attractive for use in structural applications for their high strength and elastic limit, display several unacceptable features upon deformation, including quasi-brittle failure along shear ...
    • Nanomechanics and ultrastructural studies of cortical bone : fundamental insights regarding structure-function, mineral-organic force mechanics interactions, and heterogeneity 

      Tai, Kuangshin (Massachusetts Institute of Technology, 2007)
      Although the mechanics of bone has been studied extensively at the micro- and macro-scale, the nano-scopic level is perhaps the most illuminating as this is the length scale at which the individual constituents interact. ...
    • Nanomechanics of cartilage extracellular matrix macromolecules 

      Han, Lin, Ph. D. Massachusetts Institute of Technology (Massachusetts Institute of Technology, 2007)
      In this thesis, the shear and self-adhesion nanomechanical properties between opposing cartilage aggrecan macromolecules were probed. In addition, nanoscale dynamic oscillatory mechanical properties of cartilage and its ...
    • Nanomechnics of crystalline materials : experiments and computations 

      Van Vliet, Krystyn J. (Krystyn Joy), 1976- (Massachusetts Institute of Technology, 2002)
      In this thesis, experimental, computational and analytical approaches are employed to examine systematically the mechanisms of deformation in crystalline materials. Such insight can be used to exploit and avoid contact in ...
    • Nanoparticle-chiral nematic liquid crystal composites 

      Payne, Jeffrey C. (Jeffrey Christopher), 1981- (Massachusetts Institute of Technology, 2006)
      The advancement of the fabrication of a one-dimensional photonic crystal without time-reversal and space-inversion symmetries was pursued. Theoretical studies predict that such a system would exhibit unusual optical ...
    • Nanopatterned anchoring layers for liquid crystals 

      Gear, Christopher S. (Christopher Stanwood) (Massachusetts Institute of Technology, 2014)
      This thesis describes the theory and fabrication of inhomogeneous Liquid Crystal anchoring layers. While chemical anchoring techniques have proved useful for many applications, especially Liquid Crystal Displays, they have ...
    • Nanoporous graphene as a desalination membrane : a computational study 

      Cohen-Tanugi, David H. (David Henri Michaël) (Massachusetts Institute of Technology, 2012)
      With conventional water sources in short and decreasing availability, new technologies for water supply have a crucial role to play in addressing the world's clean water needs in the 21st century. In this thesis, we examine ...
    • Nanoporous graphene as a water desalination membrane 

      Cohen-Tanugi, David (Massachusetts Institute of Technology, 2015)
      Desalination is one of the most promising approaches to supply new fresh water in the face of growing water issues. However, commercial reverse osmosis (RO) techniques still suffer from important drawbacks. In order for ...
    • Nanorod solar cell 

      Tan, Bertha (Massachusetts Institute of Technology, 2007)
      The crude oil supply crisis the world is facing today along with the disastrous global warming caused primarily as a result the green house gases, has heightened the need for an eco-friendly and renewable energy technology. ...
    • Nanoscale influences on bioactivity : ultrastructure and nanomechanics of model bioactive hydroxyapatite based biomaterials 

      Vandiver, Jennifer M. (Jennifer McKeehan) (Massachusetts Institute of Technology, 2006)
      There is a significant need for improved synthetic materials as orthopedic implants to replace human bone lost and damaged due to disease or injury. Certain ceramics, such as hydroxyapatite (HA), have the special property ...
    • Nanoscale properties of poly(ethylene terephthalate) vascular grafts 

      Macias, Celia Edith, 1982- (Massachusetts Institute of Technology, 2004)
      Vascular grafts are prosthetic tubes that serve as artificial replacements for damaged blood vessels. Poly(ethylene-terephthalate), PET, has been successfully used in large diameter grafts; however, small caliber grafts ...
    • Nanoscale quantification of stress and strain in III-V semiconducting nanostructures 

      Jones, Eric James, Ph. D. Massachusetts Institute of Technology (Massachusetts Institute of Technology, 2015)
      III-V semiconducting nanostructures present a promising platform for the realization of advanced optoelectronic devices due to their superior intrinsic materials properties including direct band gap energies that span the ...
    • Nanostructural engineering of vapor-processed organic photovoltaics for efficient solar energy conversion from any Surface 

      Macko, Jill Annette (Jill Annette Rowehl) (Massachusetts Institute of Technology, 2014)
      More than two billion people in the world have little or no access to electricity. To be empowered they need robust and lightweightrenewable energy conversion technologies that can be easily transported with high yield ...
    • Nanostructure stabilization and mechanical behavior of binary nanocrystalline alloys 

      Trelewicz, Jason R (Massachusetts Institute of Technology, 2009)
      The unique mechanical behavior of nanocrystalline metals has become of great interest in recent years, owing to both their remarkable strength and the emergence of new deformation physics at the nanoscale. Of particular ...
    • Nanostructured electrodes for lithium ion batteries using biological scaffolds 

      Lee, Yun Jung, Ph. D. Massachusetts Institute of Technology (Massachusetts Institute of Technology, 2009)
      Without doubt, energy and environment are becoming central issues for the future. In this regard, not only device performance but also environmentally sustainable ways of making energy device is important. To meet these ...