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Article
Formation of iron silicide nano-islands on Si substrates by metal organic chemical vapor deposition under electron beams
Electron-beam induced chemical vapor deposition (EBI-CVD) of Fe(CO)5 was performed on both Si (111) and (110) substrates at 673–873 K inside an ultrahigh vacuum transmission electron microscope. The formation of ...
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Article
TEM study of Mg-Zn precipitates in Mg-Zn-Y alloys
The precipitates in Mg-Zn-Y alloys in the as-cast state with nominal atomic composition of Mg96Zn1Y3, Mg96Zn2Y2 and Mg97Zn1Y2 were studied by means of TEM as well as XRD techniques. The results show that there is...
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Article
Transmission electron microscopy investigation on the electron-stimulated oxidation of iron nitrides by 2-MeV electron irradiation
An iron nitride sample was irradiated by 2-MeV electrons intermittently for 2100 s with a dose rate of 6.3 × 1024 e.m.−2 s−1 inside a 3-MV high-voltage transmission electron microscope. The electron-stimulated ox...
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Article
In situ transmission electron microscopy investigation of radiation effects
In situ observation is of great value in the study of radiation damage utilizing electron or ion irradiation. We summarize the facilities and give examples of work found around the world. In situ observations ...
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Article
Fabrication of self-standing nanowires, nanodendrites, and nanofractal-like trees on insulator substrates with an electron-beam-induced deposition
Self-standing tungsten nanowires, nanodendrites, and nanofractal-like trees were fabricated on insulator (Al2O3) substrates with a process of electron-beam-induced decomposition in a transmission electron microsc...
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Article
Three-dimensional nanofabrication by electron-beam-induced deposition using 200-keV electrons in scanning transmission electron microscope
Attempts were made to fabricate three-dimensional nanostructures on and out of a substrate by electron-beam-induced deposition in a 200-kV scanning transmission electron microscope. Structures with parallel wi...
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Chapter and Conference Paper
Electron beam induced deposition of position and size controlled structures on the nanometre scale
Electron beam induced deposition (EBID) was carried out with gas introduction systems attached to field emission scanning and transmission electron microscopes (FE-SEM and FE-TEM). Using tungsten and iron carb...
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Article
Selective tungsten deposition into ordered nanohole arrays of anodic porous alumina by electron-beam-induced deposition
The selective deposition of a metal (tungsten) into ordered nanohole arrays of an anodic porous alumina membrane was performed using an electron-beam-induced deposition process. After deposition, the membrane ...
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Article
Electron beam-induced deposition using iron carbonyl and the effects of heat treatment on nanostructure
Electron beam induced deposition was performed in a scanning electron microscope with a field emission gun using a precursor of iron carbonyl. Nanometer-sized dots and freestanding rods were produced on a carb...
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Article
Transmission Electron Microscopy and High-Resolution Transmission Electron Microscopy Study of Nanostructure and Metastable Phase Evolution in Pulsed-Laser-Ablation–Deposited Ti–Si Thin Film
Thin films with a nominal composition close to Ti62.5Si37.5 were deposited on NaCl substrate at room temperature by pulsed laser ablation to study the evolution of the intermetallic compound Ti5Si3 using a combin...
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Article
The size dependence of the nano-dots formed by electron-beam-induced deposition on the partial pressure of the precursor
We have successfully fabricated nano-dots containing W from a metal–organic gas source by electron-beam-induced deposition in an ultra-high vacuum transmission electron microscope. The size of the dots can be ...
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Article
Microstructural control of b-silicon nitride ceramics to improve thermal conductivity
An advanced silicon nitride material with high isotropic thermal conductivity (149 W m-1 K-1) has been developed. This high thermal conductivity was achieved with a process that combines high-quality seed crystal...
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Article
Micro-thermal analysis of thermal conductance distribution in advanced silicon nitrides
A micro-thermal analysis technique was applied to investigate advanced silicon nitride materials, which exhibit high thermal conductivity. Local thermal properties in the microstructure were evaluated, and the...
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Article
Selective growth of colored and colorless β-Si3N4 single crystals
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Article
Microstructural Changes to Xenon Naonoclusters in Aluminum under 1 MeV Electron Irradiation
Aluminum films containing solid Xe precipitates have been subjected to 1 MeV electron irradiation in a high-voltage electron microscope. High-resolution images have been recorded on videotape in order to monit...
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Article
Histologic transformation of follicular lymphoma after allogeneic bone marrow transplantation
A 38-year-old man with refractory follicular lymphoma underwent allogeneic BMT from an HLA-identical sibling donor. He had generalized lymphadenopathy, hepatosplenomegaly and lymphoma infiltration of the marro...
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Article
Spontaneous alloying of tin atoms into nanometer-sized gold clusters and phase stability in the resultant alloy clusters
Alloying behavior and phase stability has been studied in situ by transmission electron microscopy using clusters in the Au-Sn system. When tin atoms are vapor-deposited onto nm-sized gold clusters, rapid dissolu...
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Article
Si3N4-whisker/Si growth interface study using EPMA chemical shift map** of Si-Kβ bands
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Article
Synthesis of large-size β–Si3N4 crystals
Large-sized β–Si3N4 crystals up to 10 mm in length and 0.3 mm in diameter with low impurity concentration are successfully grown from silicon melt in a nitrogen atmosphere. By controlling the concentration of imp...
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Article
Potentiation by Isoproterenol on Carbachol-induced K+ and Cl− Currents and Fluid Secretion in Rat Parotid
Isoproterenol (IPR) and 8-(4-chlorophenylthio)-cyclic AMP (cpt-cAMP) enhanced carbachol (CCh)-induced fluid secretion from rat parotid glands, but had no effect by themselves. The enhancement by IPR was block...
