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  • 1
    Electronic Resource
    Electronic Resource
    New hydride vapor phase epitaxy for GaP growth on Si (1987)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 51 (1987), S. 1245-1247 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Gallium phosphide films are successfully grown on (100) Si substrates by a new hydride vapor phase epitaxy. Mixing of reactant vapors just above the substrate makes the growth rate as high as 50 nm/min even in the temperature range of 350–450 °C. This makes the two-step growth procedure applicable for growing a single domain GaP film on Si from H2-HCl-PH3-Ga reactants. An etch pit density of 7.5×106 cm−2 and a full width at half-maximum of 93 arcsec in a double-crystal x-ray rocking curve are achieved. Green light-emitting diodes with 565 nm peak wavelength are successfully fabricated using nitrogen-doped GaP films grown on Si.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.98693
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  • 2
    Electronic Resource
    Electronic Resource
    Wavelength dependence of photorefractive effect in Ti-indiffused LiNbO3 waveguides (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 54 (1989), S. 975-977 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A novel method of measuring the photorefractive sensitivity of Ti-diffused channel waveguides in lithium niobate is proposed and demonstrated. It is suited for quantifying the dependence of the photorefractive sensitivity on the irradiation beam wavelength. From measurements at various irradiation intensities and wavelengths 0.633, 0.81, and 1.06 μm, we give an estimate of the crosstalk of a directional coupler as a function of irradiation intensity and wavelength.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.101421
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  • 3
    Electronic Resource
    Electronic Resource
    Electrochromic properties of alkylviologen-cyclodextrin systems (1987)
    Springer
    Journal of applied electrochemistry 17 (1987), S. 567-573 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract Electrochromic properties of methyl, ethyl, n-hexyl and n-heptyl viologens, and α-, β-, γ-cyclodextrin systems were studied using cyclic voltammetry and absorption spectroscopy. Colourations of red-violet (λ max = 530 or 560 nm), blue (λ max = 600nm) and light purple (λ max = 560 and 600 nm) could be obtained by changing the length of the alkyl chain of viologens or the radius of cyclodextrin. The intermolecular interaction between viologen radicals is weakened when the radicals form inclusion complexes so the blue colour inherent in the monomer of viologen radical appears. The red-violet colour is ascribed to the dimer of the reduced viologen. With the addition of γ-cyclodextrin, viologens were found to be included as dimer. The light purple colour is ascribed to the mixed colour of the monomer and the dimer. Furthermore, since the ratio of monomer and dimer depends upon the concentration of cyclodextrin, any colour between the red-violet of the dimer and the blue of the monomer can be obtained by adjusting the concentration of cyclodextrin. The redox reaction of an inclusion complex was found to depend upon the length of the alkyl viologen and the size of the cavity in cyclodextrin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01084131
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  • 4
    Electronic Resource
    Electronic Resource
    Distribution profiles of keratin proteins during rat amelogenesis (1986)
    Springer
    Histochemistry and cell biology 85 (1986), S. 89-94 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary We examined rat cells undergoing amelogenesis for the presence of three types of keratin proteins using a polyclonal antibody to keratin (against total keratins (TK) with molecular masses ranging from 41 to 65 kilodaltons (kd) and monoclonal antibodies keratins to KL1 and PKK1 (reactive with keratins with molecular masses of 55–57 and 41–56 kd, respectively). In normal oral epithelia from young rats, the TK, KL1, and PKK1 antibodies bound to all of the epithelial strata. The epithelial cap on the top of incisors and the dental lamina of molar teeth exhibited strong TK staining, moderate staining KL1, and little or no PKK1 staining. In developing molar enamel organs, both the outer and inner enamel epithelia, the stratum intermedium, and stellate reticulum cells were all positively stained by the TK immunoreagent. In developing incisors, TK only bound strongly to stratum-intermedium cells, and no KL1 and PKK1 staining antibodies was observed in ameloblasts or the stratum intermedium.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00491753
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  • 5
    Electronic Resource
    Electronic Resource
    Lectin-binding patterns in the developing tooth (1985)
    Springer
    Histochemistry and cell biology 83 (1985), S. 455-463 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The lectin-binding patterns of the cells involved in amelogenesis and dentinogenesis in developing teeth of rats, were studied. Undifferentiated odontogenic epithelia exhibited very slight staining with almost all of the lectins examined. The lectin-staining affinities of secretory ameloblasts could be divided into two categories: Concanavalin-A (Con-A), Wheat germ agglutinin (WGA) and Soybean agglutinin (SBA) binding occurred from the middle to apical cytoplasm, whereas Ricinus communis agglutinin-I (RCA-I) and Ulex europeus I (UEA-I) binding predominated in the basal regions. The cells of the stratum intermedium exhibited relatively stranges lectin staining, which appeared to be dependent on ameloblastic maturation. The basement membranes in undifferentiated epithelia were markedly positive for lectin binding. Odontoblasts showed moderate Con-A staining on the apical side of the cells, as well as slight-to-moderate reactions with WGA and SBA. Pulp cells and dental papillae showed slight-to-moderate lectin staining, and predentin and dentin were also moderately positive for Con-A and RCA-I binding and slightly so for WGA and SBA. The lectin-binding affinities were enhanced during the formation of enamel and dentin, and appeared to be dependent on the degree of cellular differentiation in ameloblasts and odontoblasts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00509209
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  • 6
    Electronic Resource
    Electronic Resource
    Preparation and crosslinking of oligoesterified woods based on maleic anhydride and allyl glycidyl ether (1988)
    Springer
    Wood science and technology 22 (1988), S. 21-32 
    Details
    ISSN: 1432-5225
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Summary Oligoesterification of wood was investigated by alternately adding esterification reactions of wood with maleic anhydride and allyl glycidyl ether. The products obtained consisted of acetone-insoluble and soluble parts. The insoluble parts were novel oligoesterified woods with oligoester chains having polymerizable double bonds. The oligoester chain length showed a tendency to decrease with increase in wood content in feed. The soluble parts were free oligoesters which were not linked with the wood matrix. The products (the oligoesterified wood-containing mixtures), when subjected to hot-pressing in the presence of a peroxide, gave plasticized crosslinked wood boards whose surfaces are smooth, glossy, and plasticlike. In this case, the free oligoesters which were hardening worked as a plasticizer for the wood components and were combined, by the crosslinking, with the oligoesterified woods, resulting in the formation of the network structure. The crosslinked wood boards exhibited outstanding properties in heat distortion temperature (〉165°C) and compressive strength (ca. 1,600–2,300 kg/cm2).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00353225
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  • 7
    Electronic Resource
    Electronic Resource
    Preparation and crosslinking of oligoesterified woods based on phthalic anhydride and glycidyl methacrylate (1988)
    Springer
    Wood science and technology 22 (1988), S. 335-344 
    Details
    ISSN: 1432-5225
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Summary Oligoesterification reaction of wood with phthalic anhydride and glycidyl methacrylate (GMA) was investigated. The reaction proceeded smoothly at 90°C. The products obtained consisted of acetone-insoluble and soluble parts. The insoluble parts were novel oligoesterified woods with oligoester chains having methacrylate double bonds. The soluble parts were viscous liquids consisting mainly of free oligoesters not linked with the wood matrix, and contained small amounts of GMA and oligoesterified wood components which were dissolved out. The products (the oligoesterified wood-containing mixtures), when subjected to hotpressing, gave plasticized crosslinked wood boards whose surfaces are smooth, glossy, and plasticlike. In this case, plasticization of wood components and thermal polymerization of the methacrylate double bonds in the oligoester chains occurred simultaneously even in the absence of radical initiator. The soluble parts worked as a plasticizer for the wood components. The crosslinked wood boards exhibited outstanding properties in tensile strength (∼ca. 700 kg/cm2), flexural strength (ca. 900–1030 kg/cm2), and Rockwell hardness (ca. 120).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00353323
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  • 8
    Electronic Resource
    Electronic Resource
    A new dense Kondo system: Ce y La1−y Ge2. Resistivity, specific heat, and susceptibility studies (1985)
    Springer
    Journal of low temperature physics 58 (1985), S. 513-531 
    Details
    ISSN: 1573-7357
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Resistivity, specific heat, and susceptibility studies on CeGe2 and its pseudobinary system Ce y La1−y Ge2 are reported. The effective moment and the occurrence of ferromagnetic order (0.4≤y≤1.0) indicate the trivalence of Ce in the entirey range. However, the present results suggest that a Kondo effect coexists with the interionic ferromagnetic interaction; the magnetic entropy at the ordering temperatureT c is significantly lower thanR ln 2 (R is the gas constant) and the resistivity of La-diluted samples (y≤0.6) exhibits a Kondo-like minimum at about 10 K. The magnetic entropy atT c is related to the ratioT K/T c by a simple thermodynamic argument, whereT K is the Kondo temperature. TheT K is estimated to be about 2.7 K for 0.4≤y≤1.0, in fair agreement with what the resistivity anomaly suggests.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00681141
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  • 9
    Electronic Resource
    Electronic Resource
    Observation of Al/Si3N4 interface (1986)
    Springer
    Journal of materials science 5 (1986), S. 696-698 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01730214
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  • 10
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    Wavelength dependence of photorefractive effect in Ti‐indiffused LiNbO3waveguides (1989)
    American Institute of Physics
    Details
    Publication Date: 1989-03-13
    Print ISSN: 0003-6951
    Electronic ISSN: 1077-3118
    Topics: Physics
    Published by American Institute of Physics
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