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  • 1
    Electronic Resource
    Electronic Resource
    Scanning tunneling microscope investigation of the growth morphology of titanium silicide on Si(111) substrates (1995)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 78 (1995), S. 5143-5154 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A scanning tunneling microscope in ultrahigh vacuum has been used to investigate the growth, morphology, and surface atomic structure of ultrathin titanium silicide films on Si(111) substrates. Microstructural considerations have been used to identify various stages of the silicide growth. Atomic resolution images of a titanium silicide crystallite facet, formed at 850 °C, have been identified as a 2×2 silicon termination of a C54-TiSi2(010) surface. Possible epitaxial silicide/silicon relationships are provided. Theoretical consideration has been given to the interatomic bonding in the C54-TiSi2 lattice and the dangling bond density of ideally terminated silicide planes has been calculated. The highly reconstructed atomically flat surface of a large crystallite, formed at 1200 °C, has been assigned as a C54-TiSi2(311) plane giving the epitaxial relation C54-TiSi2(311)(parallel)Si(111). The presence of pairs and linear chains of defects, with common orientations, is attributed to the decomposition of a diatomic gas on the facet, producing sites of preferential adsorption on the silicide surface. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.359747
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  • 2
    Electronic Resource
    Electronic Resource
    Scanning tunneling microscope crystallography of titanium silicide on Si(100) substrates (1995)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 77 (1995), S. 563-571 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A scanning tunneling microscope (STM) in ultrahigh vacuum has been used to investigate the growth, morphology, and surface atomic structure of ultrathin titanium silicide films on Si(100) substrates. Microstructural considerations have been used to identify various stages of the silicide growth. Methods for STM crystallography have been developed and used to identify possible epitaxial silicide/silicon relationships based on morphological considerations. Atomic resolution images of a titanium silicide crystallite have identified a 2×2 silicon termination of a C54-TiSi2(111) surface. It is shown that unambiguous identification of epitaxial relationships requires images of the atomic structure of the silicide crystallite surfaces in addition to morphological information. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.359040
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  • 3
    Electronic Resource
    Electronic Resource
    Field-induced magnetic anisotropy in a dilute dispersion of γ Fe2O3 particles (1988)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 63 (1988), S. 1691-1693 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The application of an alternating field (AF) of 60-mT peak to an isotropic sample containing dilutely dispersed particles of γFe2O3 from magnetic tape causes it to become magnetically anisotropic. The anisotropy of initial susceptibility so produced can be described by an oblate ellipsoid of revolution with the unique axis aligned with the AF direction. A consequence of this effect is that an isothermal remanent magnetization (IRM) is then more easily acquired if the direct field is applied perpendicular to the previously applied AF direction than if it is applied parallel to this direction. The anisotropy of IRM acquisition at direct fields between 20 and 40 mT is an order of magnitude greater than the anisotropy of initial susceptibility and is 40% of the maximum possible value.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.339903
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  • 4
    Electronic Resource
    Electronic Resource
    The mathematical modeling of the acquisition of gyroremanent magnetization in a single domain particle (1990)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 67 (1990), S. 4481-4483 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The origins of gyroremanent magnetization (GRM) in single domain particles are studied using a dynamic model based on the Landau–Lifschitz equation. The results show an asymmetry in the motion of the magnetic moment of a particle with three unequal axes of anisotropy. This asymmetry is interpreted in terms of an effective bias field which gives a good qualitative explanation of the origins of GRM.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.344888
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  • 5
    Electronic Resource
    Electronic Resource
    ON THE REACTIONS OF THE FORMAMIDINES. VI. SOME THIAZOLE DERIVATIVES. (1916)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 38 (1916), S. 1841-1844 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja02266a019
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  • 6
    Electronic Resource
    Electronic Resource
    Determination of Oil in Refinery Effluent Waters. (1958)
    s.l. : American Chemical Society
    Analytical chemistry 30 (1958), S. 36-40 
    Details
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac60133a008
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  • 7
    Electronic Resource
    Electronic Resource
    The uptake of GABA and β-alanine in slices of cat and rat CNS tissue: regional differences in susceptibility to inhibitors (1976)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 27 (1976), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1976.tb02650.x
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  • 8
    Electronic Resource
    Electronic Resource
    Flower and Fruit Abortion: Proximate Causes and Ultimate Functions (1981)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Ecology, Evolution, and Systematics 12 (1981), S. 253-279 
    Details
    ISSN: 0066-4162
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.es.12.110181.001345
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  • 9
    Electronic Resource
    Electronic Resource
    The angular dependence of the median destructive field of magnetite particles (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical journal international 118 (1994), S. 0 
    Details
    ISSN: 1365-246X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: The angular variation of the median destructive field (MDF) of magnetite particles has been determined by subjecting anisotropic samples carrying an isothermal remanent magnetization (IRM) to static AF demagnetization, with the AF at an angle to the IRM. The alignment was produced by dispersing the magnetite particles in resin in the presence of a magnetic field thus making the sample anisotropic. After tumble demagnetization, an IRM in 80 mT was given to each sample along the alignment axis. 11 different particle sizes were used covering the range 0.7–82 μm. The results for all the samples are remarkably similar in that the MDF is smallest when the AF is applied parallel to the alignment axis and greatest when the AF is perpendicular to the axis. The results are also very similar to those found experimentally for single-domain ‘tape’ particles and indicate that the reversal mechanism even in the smallest particles is not by coherent reversal as in the Stoner-Wohlfarth model. The angular variation of the MDF for all the particle sizes is described quite well by a function derived by Aharoni for single-domain particles. The MDF at θ= 0 is found to be inversely proportional to the square root of the particle size.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-246X.1994.tb04682.x
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  • 10
    Electronic Resource
    Electronic Resource
    Towards a quantitative description of field-impressed anisotropy of susceptibility (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical journal international 126 (1996), S. 0 
    Details
    ISSN: 1365-246X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: A simplified model of domain rearrangement in multidomain particles following the application of an alternating (AF) or direct (DF) field is used to quantify the dependence of anisotropy of magnetic susceptibility on magnetic history. To be able to account for changes in the average susceptibility (i.e. The average of three mutually perpendicular susceptibility measurements) of the sample following field treatment, the model has to be refined by introducing interaction between domains. By fitting theoretical curves of anisotropy versus peak AF to experimental results for samples containing different size fractions of magnetite particles, of average grain size ranging from 0.7 to 58 μm, four relevant parameters can be computed (for each sample), which enables a good fit to be obtained. By allowing two of these parameters to change systematically when a DF is applied (and an IRM is acquired), the anisotropy dependence on direct field strength can also be modelled. This includes the sign change observed as the field-impressed ellipsoid changes from prolate to oblate, together with increases in the average susceptibility as the field increases. However, some details, such as discrepancies between predicted and actual increases in the average susceptibility at high fields, suggest that further refinement of the model is required.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-246X.1996.tb05306.x
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