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| page maintained by Maoxu
Qian and Jing
Su Revised: 24 Jul 1997 16:28:34 -0700. |
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Biomimetic Materials |
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Biomimetics | Molecular Design of Materials and Nanotechnology (AFOSR/ARO) |
| Lessons from Biology: The objective is to learn nature's strategies in the assembly and formation of biological hard tissues at ambient conditions that have highly-tailored structures resulting in unprecendented physical properties that far exceed current technological materials. | ||
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Picture!
SEM picture of growth edge of red abalone.
Picture! SEM picture of Sea-Urchin teeth displaying CaCO3 (calcite) fibers in an amorphous CaCO3 matrix (etched). Picture! SEN picture of Radiolaria. |
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Collaborators: D.Morse (UC Santa Barbara), P.Calvert (U
Arizona) * Biomimetics, Book (American Institute of Physics, NY, 1995). B.Shapiro and M.Sarikaya, J.Mater.Res. (1997) |
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| Bioduplication | ||
| Development of (bacterial) genetics and biochemistry strategies (combinatorial approach) in the use of biopolymers (proteins and other macromolecules) as templates for functional inorganic particle and thin film formation. | ||
| * C.Furlong (Genetics, UW), Stanley Brown (Copenhagen), J.Staley (Microbiology, UW), M.Schick (Physics, UW), Bill Rogers (Chemical Eng., UW) | ||
| Nanotechnology | ||
| Devices via biomimetics (biosensors), DNA templates (with Nadrian Seeman, SUNY), (also C. Furlong, UW). | ||
| Picture! TEM image of Nanogold particle decorated Polystyrene sphere using engineered gold-binding polypeptides as tethering molecules. |
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High-Temperature
Superconductors |
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Nanoscale Structural Effects and
transformations (with R.Kikuchi, UCLA) |
| Single Crystal Growth of YBa2Cu3O7-x (F.Dogan, UW) |
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| Picture TEM image of displays two {110} Variants of transformation twins in Yba(2)Cu(3)O(7-x) high temperature superconductor. | |
| * M.Sarikaya and E.A.Stern, Physical
Rev. B(1988) * M.Sarikaya, R.Kikuchi, and I.A.Aksay, Physica B(1989) with J.Barnard, Science(1994) |
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Small Particles and
Nanocomposite Systems |
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Metallic Clusters |
| Metal/Ceramic composites | ||
| Magnetic particles | ||
| Synthetic Macromolecular systems | ||
| Perovskite Ferrolelectrics | ||
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Picture!
AREM image of Self-assembled surfactant-coated nanogold particles.
(Magnification: ~ 25,000,000) |
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| * S.O-Rourke, F.Dogan, M.Qian, and M.Sarikaya, Proc. of MRS (1997) |
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Packaging Systems for
High Temperature Microelectronics |
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SiC/silicide/AlN System (w/E.Savrun, Quest Inc. - AFOSR) |
| * M.Sarikaya,
E.A.Savrun, T.P.Pearsall, and M.Qian, Proc. MRS (1996) * K.Katti, M.Qian, and M.Sarikaya, Proc. MRS (1977) * M.J.Yacaman and M.Sarikaya, "Carbonitrides" J. Chemical Physics (1996) |
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Electronic Materials |
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Quantum Dot and Quantum Well Structures: |
| Compound Semiconductors (with Y.Takeda, Nagoya University) |
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| Current Problems in Si-Based Microelectronics: | ||
| Metallization induced diffusion in Si, defects in Si,
and Si/SiO2 interfaces (with SEH America Inc. and Intel) |
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Optical Materials |
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High Temperature Systems: (w/E.Savrun, Sierra Technologies, Inc) |
| AlON: Objective here is to develop processing strategies for the formation of polycrystalline AlON (with and without additives) to achieve 80% transparency (current level) for high temperature IR applications (NSF). | ||
| Optical Fibers: | ||
| Structural and property correlations of technological and biogenetic silica-based fibers for light transparency. |
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Electron and Scanning
Probe Microscopies |
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Objective | Develop techniques for direct determination of nanoscale structural, compositional, and physical variations in materials. |
| Electronic | Atomic Resolution TEM: | |
| The use of HREM (r = 1.6Å) for imaging of atomic organization of materials with nanoscale structural variations, including image simulations. Examples: quantum well/dot structures; Si-based microelectronics. | ||
| Convergent Beam Electron Diffraction: | ||
| Symmetry, lattice structure, and residual stress determination by CBED (e.g., cermet structures, e.g., B4C-Al, WC-Co, and SiC-Al). | ||
| * G.H.Kim
and M.Sarikaya, Proc. MRS (1994) * G.H.Kim and M.Sarikaya, manuscripts in preperation. |
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| Low Loss Spectroscopy | ||
| (LL-EELS: Dielectric function. Examples: BaTiO3 (Nb); YBa2Cu3O7-x. (O), CaCO3 (biogenic and abiotic) | ||
| * K.Katti, M.Qian, M.Sarikaya, J.MaterRes. (1997) | ||
| Energy Loss Fine Structures: ELFS | ||
| Near edge fine structure: w/John Rehr (Physics) Extended energy loss fine structure (ELFS) (w/E/ A/ Stern, Physics, UW): This program now is fully developed by our group (see refs), incorporating the acquisition software (AcqLong) and the analysis software (UW ELFS 1.0). |
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| * M.Qian,
M.Sarikaya, and E.A.Stern, "High-Resolution
Structural Data by ELFS", Ultramicroscopy
(1995) * D.Haskel, M.Qian, M.Sarikaya, and E.A.Stern, Ultramicroscopy (1995) * M.Sarikaya, M.Qian, and E.A.Stern, "ELFS Revisited", Micron (1996) |
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| Scanning Probe | Atomic Force Microscope (AFM): | |
| Small particles, macromolecular templates, biological hard tissues, 2D and 3D DNA structures, thin-inorganic films (amorphous and crystalline) | ||
| Magnetic Force Microscopy: | ||
| Fe3O4 and BaFe12-19 - Nanoscale Mechanical Properties: Nanohardness and elastic modulus. | ||
| * B.Shapire and M.Sarikaya, J.Mater.Res. (1997). |
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Symposia, Workshops, Conferences
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Microscopy of Biomimetic and Biotechnological Materials |
| Symposium at the 14th International Conference on Electron Microscopy | |
| September 6-10, 1998 | |
| Cancun, Mexico | |
| http://icem.inin.mx/travel.html | |
| Organized by Sarikaya
Co-Organized by Armando Salinas Rodriguez |
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| Towards Atomic Resolution Analysis, TARA'98 | |
| International Workshop | |
| September 11-16, 1998 | |
| Port Ludlow, WA | |
| Organized by Krivanek, Colliex, and Sarikaya | |
more information on TARA |
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| Biomimetics: | |
| Materials Science and Engineering through Biomimetics | |
| An International Workshop | |
| August 25-28, 1999 | |
| Friday Harbor Labs San Juan Island, WA |
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| Organized by Sarikaya |
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