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  • 1
    Electronic Resource
    Electronic Resource
    Interaction of p-nitrosalicylic acid and ethylenediamine in mixed solvents. A proton donor-acceptor equilibrium (1976)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 80 (1976), S. 157-161 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100543a015
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  • 2
    Electronic Resource
    Electronic Resource
    Interaction of p-nitrosalicylic acid with ethylenediamine in presence of cetyltrimethylammonium bromide, sodium dodecyl sulfate, Triton X 100, polyethylene glycol, and their binary mixtures. A proton donor-acceptor equilibrium in micellar solution (1977)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 81 (1977), S. 1766-1769 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100533a011
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  • 3
    Electronic Resource
    Electronic Resource
    Mixed magnetic phase in Co-rich metallic glasses : The 5th Joint MMM−Intermag Conference (1991)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 70 (1991), S. 6323-6325 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: ac susceptibility (χ) and magnetoresistance (MR) have been measured in Co-rich amorphous ferromagnets [Fe5Co50Ni17−xCrx(BSi)28 (x=0,5,10,15), Fe5Co50Mn17(BSi)28, and Fe7.8Co31.2Ni24Mn15(BSi)22] to understand the changes in magnetic phase brought by the addition of Cr/Mn. The Tc decreases monotonically with Cr/Mn addition. Samples with x=0–15 remain ferromagnetic down to 16 K. But for the Mn substituted samples below 80 K, χ decreases drastically and at 16 K it is only 5% of its value at 80 K indicating spin freezing. dc magnetization data show a peak around 30 K as well as a time dependence in the Mn17 sample. Presence of significant ferromagnetic anisotropy of resistance (FAR) even at the lowest temperature for both Mn-containing samples indicates that ferromagnetism persists even when transverse spin freezing is present. With lowering of temperature FAR increases, and below 30 K it should have decreased considerably if the lowest temperature phase was purely spin-glass-like but here it remains almost constant. The high-field slopes for T 〈 Tc in both orientations are negative. In particular, for Mn15 sample the slope has a broad maximum decreasing on both sides as T → Tc and T〈80 K. This behavior is interpreted in terms of a transverse spin freezing. We conclude that the lowest temperature (〈30 K) phase in samples containing Mn is a mixture of spin-glass and long-range ferromagnetism. Samples containing Cr show a large positive slope for T 〈 Tc and a very low FAR. The ratio Δρ(parallel)/Δρ⊥ ((approximately-equal-to)0) indicates that the domain magnetization lies in the ribbon plane and is parallel to the ribbon axis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.349982
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  • 4
    Electronic Resource
    Electronic Resource
    Cylindrical solitary envelope pulses in warm overdense plasmas (2000)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Plasmas 7 (2000), S. 1056-1059 
    Details
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A generalized nonlinear Schrödinger equation with an exponentially saturating nonlinearity is solved numerically in two dimensions using a novel iterative procedure. A spectrum of cylindrical envelope solitary solutions is presented which may be useful for modeling the nonlinear propagation of intense laser pulses in warm overdense plasmas. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.873908
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  • 5
    Electronic Resource
    Electronic Resource
    Streaming instability in the grain charge fluctuations (1996)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Plasmas 3 (1996), S. 457-460 
    Details
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Highly charged massive dust grains present in a dusty plasma may exhibit charge fluctuations in response to certain types of oscillations incorporated in the plasma. In this situation the grain charge becomes a time-dependent and self-consistent dynamic variable. The consequent modifications in the collective properties of a dusty plasma in response to longitudinal space-charge waves are investigated. It is shown this new effect gives rise to purely damped modes, in addition to causing a collisionless damping of the normal modes. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.871897
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  • 6
    Electronic Resource
    Electronic Resource
    Exact plane-wave solutions of the coupled Maxwell–Klein–Gordon equations (1990)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 31 (1990), S. 2917-2920 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: Solutions of the classical Maxwell–Klein–Gordon equations are investigated for which the Klein–Gordon field is assumed to be ψ(x)=αeipμxμ. It is shown that for this class the exponential factor can be "gauged away'' and the resulting system of equations can be reduced to a single (complicated) nonlinear equation. Furthermore, the electromagnetic four-potential field becomes massive "absorbing scalar particles.'' The steady-state (or stationary) subclass of the resulting system of equations is examined. It is proved that in absence of any magnetic field, the steady-state system does not have a solution. In the simple case for which four-potential components Aμ depend on one spatial coordinate, the equations are completely solved and explicitly analyzed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.528944
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  • 7
    Electronic Resource
    Electronic Resource
    A class of exact plane wave solutions of the Maxwell–Dirac equations (1989)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 30 (1989), S. 2280-2284 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: Exact solutions of Maxwell–Dirac equations are investigated for which the Dirac field is of the type ψ(x)=α(p)eipλxλ. In the subclass where the mass parameter m≠0, there exists no nontrivial solution of the problem. In the subclass where the mass parameter m=0, there exist infinitely many solutions inherent with arbitrary functions. Furthermore, every solution for m=0 must have a null four-current vector field associated with it.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.528555
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  • 8
    Electronic Resource
    Electronic Resource
    Laser envelope solitons in cold overdense plasmas (2002)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Plasmas 9 (2002), S. 1820-1823 
    Details
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Some questions pertaining to the existence and nature of one-dimensional envelope pulse solitons propagating into an overdense plasma are examined by a numerical investigation of the relativistic cold plasma equations. Finite amplitude single hump solitons with significant density cavitation are obtained for both immobile and mobile ions. For the immobile ion case the eigenvalue spectrum has a continuum nature and there is a smooth transition from standing single pulse solitons to moving solitons. A composite spectrum of moving multipeak solitons is also obtained and approximate analytical estimates of their amplitudes are provided. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1464895
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  • 9
    Electronic Resource
    Electronic Resource
    Influence of the morphology on the magneto-transport properties of laser-ablated ultrathin La0.7Ba0.3MnO3 films (2001)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 90 (2001), S. 1429-1435 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We investigate the thickness dependent properties of manganite films characterized by colossal negative magnetoresistance. Ultrathin, wedge-type films (0–120 Å) of La0.7Ba0.3MnO3 were deposited by laser ablation onto SrTiO3 and LaAlO3 substrates. The films were patterned into strips of different thickness and magneto-transport measurements were performed at temperatures between 5 and 290 K and in magnetic fields up to 5 T. Atomic force- and transmission electron microscopy were done to correlate the microstructure with the transport data. The resistivity of the films increases slightly with decreasing thickness due to substrate-induced compressive strain. Below 50 Å, the resistivity rises abruptly indicating a crossover to discontinuous and finally island-like film growth as confirmed by the microstructural techniques. At thicknesses slightly above the threshold for percolative conduction ((approximate)30 Å), an enhanced low-field magnetoresistance was observed as a signature of spin-dependent tunneling. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1380217
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  • 10
    Electronic Resource
    Electronic Resource
    Preparation of p-Acetaminobenzaldehyde Thiosemicarbazone (1953)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 75 (1953), S. 1241-1242 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja01101a504
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