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  • 1
    Electronic Resource
    Electronic Resource
    Chemically controlled deep level formation and band bending at metal-CdTe interfaces (1988)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 53 (1988), S. 1723-1725 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have used reactive metal interlayers to suppress anion outdiffusion at Au-CdTe junctions and thereby to alter the formation of deep interfacial states. Using soft x-ray photoemission and luminescence spectroscopies, we report a dramatically reduced p-type band bending and demonstrate that deep levels observed directly at the interface are responsible for the chemically induced electrical behavior.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.99806
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  • 2
    Electronic Resource
    Electronic Resource
    Band bending and interface states for metals on GaAs (1988)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 52 (1988), S. 2052-2054 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have used soft x-ray photoemission and optical emission spectroscopies to observe a broad range of Fermi level stabilization energies at metal interfaces with GaAs(100) surfaces grown by molecular beam epitaxy (MBE). The observed metal- and As-related interface cathodoluminescence plus orders-of-magnitude differences in bulk-defect-related photoluminescence between melt- versus MBE-grown GaAs suggest a role of bulk crystal growth and processing in controlling Schottky barrier formation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.99578
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  • 3
    Electronic Resource
    Electronic Resource
    The logarithmic response of palladium-gate metal-insulator-silicon field-effect transistors to hydrogen (1986)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 60 (1986), S. 843-845 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The response characteristics of palladium-gate metal-insulator-silicon field-effect transistor (MISFET) structures to hydrogen are shown to be logarithmically related to the partial pressure of the gas. It is proposed that these palladium-gate MIS structures should be considered as electrochemical devices where the metal/insulator structure behaves as a gas electrode. The results presented were obtained for hydrogen in air and therefore relate directly to the use of these devices as sensors for use in the ambient environment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.337387
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  • 4
    Electronic Resource
    Electronic Resource
    Summary of control and data acquisition systems for NOVA experiments (invited) (1986)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 57 (1986), S. 1868-1871 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: The NOVA laser has completed its first year of operation. During this period, emphasis has been placed on activation of the facility and of the numerous target and beam diagnostics. Two separate target chambers are in use. NOVA operation is separated into two broad functions: laser operations and experiments. The operations group provides the laser system control, operation, and data acquisition and the experiments group provides experiment definition, diagnostic instrumentation, and overall data processing. On the operations side, VAX 11/780 computers are used to set up diagnostic operating parameters and collect data recorded by the CAMAC and CCD modules. These data are delivered in files by electronic link to the Laser Experiments and Analysis Facility (LEAF) VAX 11/785 of the experiments group for processing. Film data are digitized at LEAF and the film data files are also processed on the LEAF VAX. The LEAF provides collection, processing, analysis, and archiving of the experimental data. The many applications software packages written for LEAF provide the experimental physicists and NOVA operations staff with programs and data bases for interpretation of experimental results. This software makes fundamental use of the ORACLE relational data base management system to both access the required data and archive the obtained results. Post-shot data processing produces sets of scalar values, x, y profiles and x, y, z contour data. The scalar data are stored in the ORACLE DB; the more extensive results are stored in binary files on disk. All data forms are accessed by a comprehensive software system, the electronic SHOTBOOK, developed around the ORACLE DBMS. This software also provides the means to archive relevant data about each experimental activity and allows the physicists to annotate displayed experimental results with technical comment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1139155
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  • 5
    Electronic Resource
    Electronic Resource
    Classical extended conformal algebras associated with constrained KP hierarchy (1995)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 36 (1995), S. 2959-2971 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: The conformal property of the second Hamiltonian structure of constrained KP hierarchy derived by Oevel and Strampp is examined. It is found that it naturally gives a family of nonlocal extended conformal algebras. Two examples of such algebras are given and it is found that they are similar to Bilal's V algebra. By taking a gauge transformation one can map the constrained KP hierarchy to Kupershmidt's nonstandard Lax hierarchy. The second Hamiltonian structure in this representation is considered. It is shown that after mapping the Lax operator to a pure differential operator the second structure becomes the sum of the second and the third Gelfand–Dickey brackets defined by this differential operator. The corresponding conformally covariant form of this differential operator is also given. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.531004
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  • 6
    Electronic Resource
    Electronic Resource
    Rapid method for determination of phenols (1929)
    s.l. : American Chemical Society
    Industrial and engineering chemistry 1 (1929), S. 118-121 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac50067a003
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  • 7
    Electronic Resource
    Electronic Resource
    The Stability of Constant-Boiling Hydrochloric Acid1 (1926)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 18 (1926), S. 1065-1066 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie50202a022
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  • 8
    Electronic Resource
    Electronic Resource
    The efficacy of teaching dyslexics (1986)
    Oxford, UK : Blackwell Publishing Ltd
    Child 12 (1986), S. 0 
    Details
    ISSN: 1365-2214
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Psychology
    Notes: Summary A survey of remedial teaching based on a particular method and carried out in an NHS clinic over 2 years has been presented. The findings suggest a differential pattern of improvement both for reading and spelling as well as for type of learning difficulty, whether ‘backward’ or ‘specifically retarded’. A plea for early recognition of specific learning difficulties and the provision of appropriate remedial teaching is made as the present findings suggest that a structured method of teaching can lead to improvement in both reading and spelling.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2214.1986.tb00486.x
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  • 9
    Electronic Resource
    Electronic Resource
    A detailed record of normal-reversed-polarity transition obtained from a thick loess sequence at Jiuzhoutai, near Lanzhou, China (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical journal international 127 (1996), S. 0 
    Details
    ISSN: 1365-246X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: A record of normal-reversed-polarity transition has been obtained from a 4 m thickness of loess exposed at a section near Lanzhou, China. Magnetostratigraphic studies suggest it may represent a reversal bounding the onset of a reversed-polarity zone within the Jaramillo Normal Subchron. The natural remanent magnetization consists of two components: a low-coercivity (≤20mT), low-unblocking-temperature (≤300°C) component of viscous origin and a high-coercivity (〉20mT), high-unblocking-temperature (250–700 °C) component carrying the characteristic remanence. Mineral magnetic analyses confirmed the presence of magnetite, its low-temperature oxidation products and haematite, each contributing to the remanence properties. Grain size and concentration showed limited variations and there was little evidence for the presence of the ultrafine magnetic phase commonly associated with palaeosol formation. Pedogenic processes appeared negligible and their effects unimportant, with detrital processes dominating the mineralogy and most probably the acquisition of the characteristic remanence. The reversal record was characterized by the decay and recovery of the geocentric axial dipole term with large directional swings occurring during periods of reduced relative palaeofield intensity. The virtual geomagnetic poles traced a complex path exhibiting no particular geographical confinement. Relative palaeofield intensity determinations were insensitive to the choice of normalization parameter and showed a distinctive asymmetry. Striking similarities were observed with the Matuyama-Jaramillo reversal record, obtained from the same section (Rolph 1993), and the Steens Mountain reversal record (Prévot el al. 1985), lending further support for the existence of unusually high post-transitional field intensities
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-246X.1996.tb04045.x
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  • 10
    Electronic Resource
    Electronic Resource
    Microwave archaeointensities from Peruvian ceramics (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical journal international 124 (1996), S. 0 
    Details
    ISSN: 1365-246X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Accurate determination of the strength of the ancient geomagnetic field is limited by mineralogical alteration that may occur when samples are heated to produce a thermoremanent magnetization (Thellier & Thellier 1959; Shaw 1974). By using direct microwave excitation of the magnetic grains we have been able to form a thermoremanent magnetization without significantly heating the bulk sample, thus avoiding thermal alteration (Walton et al. 1993). Incorporation of this new microwave heating technique with the conventional Thellier palaeointensity method has dramatically reduced the scatter of archaeointensity results from Peruvian ceramics and clearly defined how the field strength has varied in Peru over the past 2000 years. The new microwave technique will therefore enhance the feasibility of archaeointensity dating and provide accurate field strength data for geomagnetic modelling.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-246X.1996.tb06367.x
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