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  • 1
    Electronic Resource
    Electronic Resource
    Multifaceted asymmetric radiation from the edge: A strong condensation phenomenon (1996)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Plasmas 3 (1996), S. 4507-4512 
    Details
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Profile effects of the radiation, temperature, and the effect of atomic processes on thermal condensation instability in the tokamak edge are considered. The most important influence comes from a strong condensation effect due to the atomic processes and particle transport. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.871588
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  • 2
    Electronic Resource
    Electronic Resource
    Study of strain in partially relaxed Ge epilayers on Si(100) substrate (1999)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 75 (1999), S. 370-372 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Ge epilayers of different thicknesses are grown by molecular-beam epitaxy with Sb as a surfactant on Si(100) substrates. X-ray diffraction illustrates that these Ge thin films are partially strained, and the strains decrease gradually with increasing epilayer thickness. Raman spectra reveal a downward shift of the Ge–Ge mode peak as the epilayer thickness increases. In the regions of high strain, the relationship between the Raman shift of this mode and the strain in the partially relaxed samples is considerably different from the linear relationship reported before, which is mainly attributed to the spatial confinement effect of phonons in a nanocrystal. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.124378
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  • 3
    Electronic Resource
    Electronic Resource
    Intrinsic stress development in Ti–C:H ceramic nanocomposite coatings (2002)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 81 (2002), S. 352-354 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The development of intrinsic stresses within titanium-containing hydrocarbon (Ti–C:H) nanocomposite coatings was monitored during growth by in situ substrate curvature measurements using a multibeam optical sensing technique. Stress as a function of coating thickness was measured in a wide range of specimens, from nearly pure amorphous hydrocarbon (a-C:H) to nearly pure titanium carbide (TiC). The intrinsic stress within the nanocomposite coating was found to vary significantly in magnitude, and to depend systematically on the Ti composition. The observed stress variation as a function of the Ti composition correlates well with a previously reported percolation-type transition in the coating microstructure. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1492851
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  • 4
    Electronic Resource
    Electronic Resource
    Silicon-based photonic crystal heterostructure (2001)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 79 (2001), S. 3395-3397 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A silicon-based one-dimensional photonic crystal heterostructure is proposed, and its applications to an omnidirectional reflector and a transverse electric/transverse magnetic (TE/TM) splitter are illustrated. The photonic crystal heterostructure consists of two sets of multilayers, each has six periods of bilayers of poly-silicon and silicon dioxide. When the incident light comes from a medium with refractive index lower than 1.16, there is a frequency range over which of both TE and TM polarizations will be totally reflected at any incident angle. In such a case, the photonic crystal heterostructure can be used as a low loss omnidirectional dielectric reflector. However, when the refractive index of the medium is higher than 1.16, the heterostructure will serve as a good TE/TM splitter of very low crosstalk within certain ranges of light frequency and incident angle. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1421093
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  • 5
    Electronic Resource
    Electronic Resource
    A study of Ar+ laser-assisted Si doping of GaAs by chemical beam epitaxy (2000)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 76 (2000), S. 1716-1718 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Doping results from Ar+ laser-assisted chemical beam epitaxy with triethylgallium, tris(dimethylamino) arsenic, and silicon tetrabromide precursors are reported. Enhancements in the n-type doping concentration are observed with laser irradiation in the substrate–temperature range 390–500 °C. With a 300 W/cm2 irradiation power density, a 70-fold increase in the carrier concentration is obtained at 390 °C substrate temperature. An expression for doping concentration is derived to assess the contribution of laser-induced thermal heating to the observed doping increase. Effects of photogenerated carriers on surface decomposition of metalorganic species are discussed. We postulate that the dramatic increase in carrier concentration at low growth temperatures is due to photolysis of silicon tetrabromide. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.126145
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  • 6
    Electronic Resource
    Electronic Resource
    Amplification of electromagnetic waves by a ring–beam distribution of moderately relativistic electrons (1986)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Fluids 29 (1986), S. 4212-4218 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: In many cases of astrophysical interest, important radiation processes have been observed in regions where the plasma frequency is much larger than the cyclotron frequency, ω2e/Ω2e (very-much-greater-than)1. It has been found that the induced emission of the eigenmode of the cold background plasma, i.e., ω=(ω2e +k2c2)1/2, by the presence of a ring–beam distribution of energetic electrons, becomes progressively insignificant as ωe/Ωe increases. A new and important unstable beam-cyclotron mode that is excited by the energetic electrons has been found. This instability has relatively large growth rates for oblique propagation. The group velocity of the unstable mode along the ambient magnetic field is approximately equal to the parallel beam velocity. Numerical solutions of the dispersion equation are presented and discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.865712
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  • 7
    Electronic Resource
    Electronic Resource
    Unstable-magnetic-drift waves in a plasma with temperature anisotropy (1986)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Fluids 29 (1986), S. 1840-1843 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A theory of unstable magnetic-drift waves was first discussed by Krall and Rosenbluth [Phys. Fluids 6, 254 (1963)]. However, the growth rate is exceedingly small and, therefore, the instability seems to be unimportant. It is found in the present analysis that a weak electron temperature anisotropy T⊥〈T(parallel) can lead to a much stronger instability. When there is no temperature gradient, the conditions of the new instability are (c2k2/ω2e+1)(T⊥/T(parallel))−1 〈0, εn/εB〉0, where εn=(1/n)(∂n/∂x) and εB=(1/B)(∂B/∂x). In this case, the instability is attributed to wave–electron interactions, whereas the case discussed by Krall and Rosenbluth [Phys. Fluids 6, 254 (1963)] attributes the instability to wave–ion interactions. A general discussion including a temperature gradient is presented with the usual local approximation which is justifiable when kεn〉1.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.865613
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  • 8
    Electronic Resource
    Electronic Resource
    Stress Corrosion Cracking and Hydrogen-Induced Cracking of an Alumina Ceramic (2005)
    Oxford, UK : Blackwell Science Inc
    Journal of the American Ceramic Society 88 (2005), S. 0 
    Details
    ISSN: 1551-2916
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Stress corrosion cracking (SCC) in water and hydrogen-induced cracking (HIC) of an alumina ceramic during dynamical charging with various current densities were investigated using constant load specimens. The results showed that hydrogen-induced intergranular failure occurred, and the normalized threshold stress intensity of HIC, KIH/KIC, decreased linearly with the logarithm of hydrogen concentration C0, i.e., KIH/KIC=1.1–0.36 lnC0. The normalized threshold stress intensity of SCC in water was KISCC/KIC=0.64, which was below that of HIC during charging with i≤20 mA/cm2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1551-2916.2005.00052.x
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  • 9
    Electronic Resource
    Electronic Resource
    Channel-closing activity of porins from Escherichia coli in bilayer lipid membranes
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Biomembranes 862 (1986), S. 57-64 
    Details
    ISSN: 0005-2736
    Keywords: (E. coli) ; Ion channel ; Planar bilayer membrane ; Porin
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0005-2736(86)90468-2
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  • 10
    Electronic Resource
    Electronic Resource
    Action of calcium channel and beta-adrenergic blocking agents in bilayer lipid membranes
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Biomembranes 859 (1986), S. 125-134 
    Details
    ISSN: 0005-2736
    Keywords: Ca^2^+ transport ; ESR ; Ionophore ; Lipid bilayer ; Membrane fluidity ; β-Adrenergic receptor blocker
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0005-2736(86)90207-5
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