63 Result(s)
within
Materials Science
Electronics and Microelectronics, Instrumentation
Engineering, general
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Chapter
Conference Paper
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Chapter and Conference Paper
Evidence for Quantum Transport in Carbon Nanotube Bundles
Low-temperature magnetoresistance measurements on carbon nanotube bundles revealed two types of behavior. Type-I behavior has been previously reported by Song et al. [4]. However, samples taken from the same s...
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Chapter and Conference Paper
Synthesis and Structure of Quasi-One-Dimensional Carbon Crystal “Carbolite” and Intercalation with Alkali Metals and Halogens
Carbon has the widest variety of allotropes, namely, diamond has a threedimensional structure, graphite has a quasi-two-dimensional structure and fullerene as a giant molecule is zero-dimensional. Little is kn...
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Chapter and Conference Paper
Carbonaceous Mesophase Formation and Molecular Composition of Petroleum Feedstocks
Carbonaceous mesophase forms during carbonization of some organic compounds, thermoplastic polymers, petroleum feedstocks, and certain coals and coal-derived materials. It is an intermediate, anisotropic phase...
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Chapter and Conference Paper
“Rotoball”: A Strategy for Preparing Defect-Minimized Fullerene Monolayers
“Rotoball”, a surface-confinable piperazine adduct of C60, has been synthesized, characterized, and studied in the context of a Langmuir-Blodgett film. A combination of 2D nuclear magnetic resonance (NMR) techniq...
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Chapter and Conference Paper
Photoluminescence from Carbon/Silica Gel Nanocomposite
Photoluminescence is observed from carbon/silica gel nanocomposite in which nanometer sized carbon particles are dispersed in a silica gel matrix. Precursors of graphite were mixed with the silica gel by the s...
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Chapter and Conference Paper
Future Promise of π-Electron Materials
π-Electron materials, which are defined as materials having extended π-electron clouds in the solid state, have various peculiar properties such as high electron mobility and chemical/biological activities. In...
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Chapter and Conference Paper
The Wonderful World of Carbon
A broad overview of the structure and properties of the various forms of carbon is presented, emphasizing the wide variety of behavior exhibited by carbonbased materials. The connection between quasi-two-dimen...
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Chapter and Conference Paper
Formation of Nanotubes, Nanowires, and Nanoparticles in a Hydrogen Arc
Carbon nanotubes, nanowires, and nanoparticles are novel materials with numerous possible applications. Part of the interest in these materials lies in the intimate relationship between structure and propertie...
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Chapter and Conference Paper
Catalytic Synthesis of Carbon Nanotubes
Catalytic synthesis of carbon nanotubes has been investigated over supported transition metal catalysts. The samples were characterized by trans-mission electron microscopy. For catalyst preparation, different...
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Chapter and Conference Paper
Intercalation into Multiwall Carbon Nanotubes: the Reaction That Distinguishes Russian Doll and Scroll Structural Types
The importance of the intercalation reaction for the chemistry of carbon cannot be underestimated. More than 200 graphite intercalation compounds (GIC) discovered to date demonstrate how one can alter electron...
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Chapter and Conference Paper
Novel Carbon-Based Host—Guest Systems
Carbon-based materials such as graphite and microporous carbon provide spaces for the accommodation of “guest” materials. In graphite, the galleries between graphitic sheets form a two-dimensional nanospace av...
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Chapter and Conference Paper
New π-Electron Materials: Preparation and Properties
Studies on the preparation and characterization of carbonaceous materials in our group are reviewed with emphasis on the method of synthesis. Thin films of graphite, N-substituted graphite, polyperi-naphthalen...
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Chapter and Conference Paper
Carbonaceous Thin Film Made by CVD and Its Application for a Carbon/n-Type Silicon (C/n-Si) Photovoltaic Cell
Carbon materials have found many applications in chemical, mechanical, biological—medical, and electrical fields because of their superior properties. However, the carbon materials have not been used as yet as...
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Chapter and Conference Paper
From Carbon to Biosonics
Several studies showing the definite growth-enhancing or promoting effect of carbon material upon certain bacteria have been reported. Charcoal and graphite added to solidified or liquid culture media enhanced...
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Chapter and Conference Paper
Introduction to π-Electron Materials
There has been a long history of research on artificial electrical conductors based on π electrons aimed at develo** new technologies as in the rapid development of silicon technology. Just after the end of ...
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Chapter and Conference Paper
Crystalline Ropes of Metallic Carbon Nanotubes
The major part of this chapter has already appeared in [1], but because of the length restrictions (in Science), the discussion on why we think this form is given in only brief detail. This chapter goes into m...
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Chapter and Conference Paper
The Geometry of Multishell Nanotubes
The main features of the model for carbon nanotubes, prepared by the arc-discharge method, as proposed by Iijima [1], seems to be generally accepted. It is, in particular, unambiguously established that single...
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Chapter and Conference Paper
Graphitization of Carbonaceous Materials by Ni, Co and Fe
Carbon diffuses into metals and recrystallizes as graphite, which is the graphitization of carbon by metal. The lowest temperatures above which diamond-like amorphous carbon, graphite and graphite-like amorpho...
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Chapter and Conference Paper
Resists Patterning
Physical images in resists are produced when radiations (photons, electrons, ions or neutral particules) interact with the macromolecules and initiate physical or chemical changes which are then developed in orde...
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Chapter and Conference Paper
Noise in Microstructures
Noise in devices is due to local random events, namely scattering mechanisms undergone by the carriers, which produce fluctuations of the current flow, and hence fluctuations of the voltage at the ends of the ...
