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NATIONAL
INSITUTE
FOR
MATERIALS
SCIENCE NANOMATERIALS LABORATORIES |
| Electro-Nanocharacterization Group | |
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§Research
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Electro-nanocharacterization group is exploring development and application of novel methodologies to characterize nanoscale properties of individual nanostructures, and aiming to contribute to the development of nanomaterials science which is a key to future nano-technology and electronics. For example, to measure electrical properties of individual nanostructures, we have developed multiple-probe scanning tunneling microscopes (MP-STM) which have independently-driven two, three, and four STM tips. Our MP-STM's have successfully been applied to measure electrical resistivities of ErSi2 nanowires and fullerene nanofilms. We are further pursuing potential new approaches for revealing useful functions of nanostructures. We also devote ourselves to create nanostructures to confirm versatility of our novel techniques and the created nanostructures.
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•Development and application of MP-STM
(Left) Ultrahigh-vacuum multiple-probe scanning tunneling microscope, (Right) An MP-STM image of ErSi2 nanowires with a schematic of double-probe electrical measurements.
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•Bionanotechnologic research
Under construction.
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•Physical properties of 1D nanostructures
(Left) Temperature dependence of the electronic conductivity of indium atomic wire arrays. (Right) Conductive WOx nanorod.
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•Carbon-derived nanostructures
(Left) 1D nanostructures of fullerene C60 polymers locally induced by the probe of STM, (Right) Atomic structure and electronic density of a bonding state of a C60 dimer.
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