Study

We are working in the fields of molecular-based and molecular-scale electronics. Our research topics are as follows.

Representative Publications

Organic field-effect transistors

  • “Visible Light Emission from Polymer-based Field-effect Transistors”, Appl. Phys. Lett., 84,3037-3039,2004.

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Spin injection and transport in organic materials

  • “Planar-type Spin-valves Based on Low-molecular-weight Organic Materials with La0.67Sr0.33MnO3 Electrodes”,
    Appl. Phys. Lett. ,92,153304,2008.

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  • “Magnetoresistance of single molecular junctions measured by a mechanically controllable break junction method”,
    Appl. Phys. Lett.,98,053110-3,2011.

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Grafting organic molecules on Si substrate

  • “Preparation of Amino-Terminated Monolayers via hydrolysis of Phthalimide anchored to Si (111)” , Surf.Sci.,601,5098-5102,2007.

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  • “Characterization of Molecular Assemblies on Silicon Surfaces by Attenuated Total Reflectance Infrared Spectroscopy”, Thin Solid Films ,499,8-12,2006.

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  • “Non-contact Atomic Force Microscopy Using Silicon Cantilevers Covered with Organic Monolayers via Silicon-carbon Covalent Bonds”, Nanotechnology,15,565-568,2004.

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  • “Friction Force Microscopy Using Silicon Cantilevers Covered with Organic Monolayers via Silicon-carbon Covalent Bonds”, Appl. Phys. Lett.,83,578-580,2003.

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  • “Nanopatterning of Alkyl Monolayers Covalently Bound to Si(111) with an Atomic Force Microscope”, Appl.Phys.Lett.,80,2565-2567,2002.

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Preparation of nano-gap electrodes of Si.

  • “Preparation of Nanogap Electrodes of Silicon by Chemical Etching”, Mol.Cryst.Liq.Cryst.,472,63-67,2007.

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Single molecular electronics and spintronics

  • “Magnetoresistance of single molecular junctions measured by a mechanically controllable break junction method”, Appl. Phys. Lett.,98,053110-3,2011

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  • “Electrical Resistance of Long Oligothiophene Molecules”, Appl. Phys. Express,2,025002 -3 pages,2009

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  • “Electrical Conductance of Oligothiophene Molecular Wires “, Nano Lett. ,8,1237-1240,2008

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Scanning tunneling microscopy and spectroscopy of organic molecules

  • “Direct Observation of Adsorption-induced Electronics States by Low Temperature Scanning Tunneling Microscopy”, Ultramicroscopy,105,22-25,2005

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  • “Scanning Tunneling Microscopy and Spectroscopy of Phthalocyanine Molecules on Metal Surfaces”, Jpn. J. Appl. Phys,,5332-5335,2005

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Projects

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