A5008365770- Synthesis of heterocyclic compounds
- Synthesis and Reactions of Organic Compounds
- Catalytic C–H Functionalization Methods
- X-ray Diffraction in Crystallography
- Catalytic Cross-Coupling Reactions
- Crystallization and Solubility Studies
- Synthesis and Reactivity of Heterocycles
- Synthesis and Reactivity of Sulfur-Containing Compounds
- Synthesis and Characterization of Heterocyclic Compounds
- Chemical Synthesis and Analysis
- Synthesis and Biological Evaluation
- Coordination Chemistry and Organometallics
- Fluorine in Organic Chemistry
- Multicomponent Synthesis of Heterocycles
- Chemical Synthesis and Reactions
- Asymmetric Synthesis and Catalysis
- Synthesis and biological activity
- Synthetic Organic Chemistry Methods
- Chemical Reaction Mechanisms
- Synthesis and Catalytic Reactions
- Oxidative Organic Chemistry Reactions
- Sulfur-Based Synthesis Techniques
- Semiconductor Quantum Structures and Devices
- Organophosphorus compounds synthesis
- Force Microscopy Techniques and Applications
NTT (Japan)
2007-2024
Kyoto University
1989-2017
Chiba Institute of Technology
2008
Japan Science and Technology Agency
2008
Tokyo Institute of Technology
2004-2005
Tohoku University
1989-1998
Osaka University
1998
Ministry of Energy
1997
University of Miyazaki
1995
Abertay University
1995
In this letter we report the first growth of high-quality, single crystal thin films Cd1−xMnxTe; are deposited by molecular beam epitaxy. Cd1−xMnxTe is one a newly developed class magneto-optic materials called diluted magnetic semiconductors. Films with mole fractions up to 50% Mn have been grown no indication any MnTe phases. A sputtered Auger electron spectroscopy depth profile shows that uniformly incorporated throughout film.
In this paper we report the growth of Cd1−xMnxTe superlattices (varying x) on GaAs substrates. Transmission electron microscopy thinned specimens clearly show layers uniform composition with abrupt interfaces; lattice mismatch (≂0.6%) between superlattice is accomodated by elastic strain rather than misfit dislocation networks. The consistently orders magnitude greater photoluminescence (PL) intensity compared to thin films and bulk samples; in fact, PL somewhat larger that obtained from...
We study single-carrier traps in a GaAs/AlxGa1−xAs heterostructure by observing random telegraph signals (RTSs), which are caused the having energy levels within few kBT of Fermi level. RTSs observed split gate device while narrow channel is shifted independently controlling voltage applied to each part gate. This measurement reveals variations with position. From these locations and distributions demonstrated. The strength confinement potential around trap also discussed.
The motility of both intact and demembranated fowl spermatozoa was vigorous at 30°C, but decreased markedly following the addition 1-(5-chloronaphthalene-1-sulfonyl)-1H-hexahydro-1,4-diazepine hydrochloride (ML-9), a specific inhibitor myosin light chain kinase (MLCK). Furthermore, presence MLCK substrate peptide also inhibited 30°C. In contrast, N-[2-(methylamino)ethyl]-5-isoquinolinesulfonamide dihydrochloride (H-8) or N-(2-guanidinoethyl)-5-isoquinolinesulfonamide (HA1004), inhibitors...
Interband-resonant light modulation by intersubband-resonant in undoped quantum wells is investigated. Theoretical calculation for the carried out considering not only excitonic interband-transition but also continuous level transition between conduction and valence bands. The characteristics are compared with those of using n-doped wells. possibility well successfully shown real-time single-shot experiment Ti-Al/sub 2/O/sub 3/ CO/sub 2/ lasers interband- lights at room temperature.
An optical feedback mechanism in offset-structure integrated optoelectronic devices which exhibit light amplification, bistability, and regenerated oscillation is discussed. The amount of was evaluated by adding a third electrode allowed each the to be operated separately. Optical control an additional layer for absorption demonstrated.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
Potassium tantalate niobate (KTa1−xNbxO3, KTN) single crystals have a very large relative permittivity εr (&gt;104) just above the paraelectric to ferroelectric phase transition temperature (TC). The quadratic electro-optic coefficient and electro-strictive are also because of their proportionality εr2. However, local can easily vary spatially due incongruently melting nature KTN. In this study, we quantitatively estimated in-plane distribution huge First, measured spatial TC using...
This article reports a method for evaluating thickness and the carrier concentration of n type GaAs epitaxial layers simultaneously by employing nondestructive, contactless infrared spectroscopic ellipsometry. The Nc layer d were correctly measured over 5×1017 cm−3 with simply assuming plasma oscillation free carriers step function profile.
Aptamers are single-stranded nucleic acids that bind to molecular targets, including proteins, with high affinity and specificity.RNA aptamer can be discovered in vitro selection process on the basis their for targets.Recently, various applications of RNA aptamers have been introduced, not only determine a drug target involved disease pathology, but also develop therapeutic agents.We demonstrated ability human immunoglobulin G (IgG) specificity.The was shown Fc domain IgG, other IgG's,...
Abstract Die Reaktion von Iodpyrimidinen (I), (V) und (VII) mit Acrylsäurederivaten (II) in Gegenwart Palladiumacetat, Palladiumschwarz oder Palladiumkohle führt zu Kopplungsprodukten (III), (VI) (VIII).
Transmission XAFS measurements were performed on PbF2 and LiF-PbF2 at various temperatures using Pb-LIII x-ray absorption edge. Distinct phase shift of EXAFS oscillations was observed the temperature range superionic conductance transition in PbF2. From results curve fitting to predominant peak real space which is considered be Pb2+-F− correlation, we can reveal that both inter-ionic distance coordination number decreases with increasing from β liquid through phase. Structural change shows...
We confirmed that the deformation occurred at about 800 °C when CZ-Si was pressure and heat treated by a pulse-heatingmethod, spark plasma sintering (SPS), while same time, absorption peak of silicon single crystal produced using Czochralski process (CZ-Si), which major issue for infrared transparent material in vicinity 9 μm, also to have been reduced within short time.The coefficient derived from interstitial oxygen, decreased most °C, stretching mode Si-O observed 9.7 μm reached its...
Abstract In Gegenwart katalytischer Mengen des Salzes (III) werden aus dem Iodpyrimidin (I) mit Acetylenen (II) die Alkinylpyrimidine (IV) erhalten.