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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    International journal of legal medicine 36 (1942), S. 80-91 
    ISSN: 1437-1596
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 312 (1970), S. 544-544 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Publication Date: 2021-01-21
    Language: English
    Type: conferenceobject , doc-type:conferenceObject
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  • 4
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 79 (1996), S. 4178-4186 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The capture and emission of electrons at single, individual interface traps is studied in sub-μm metal–oxide–semiconductor field-effect transistors (MOSFETs) by the random telegraph signals (RTSs) they induce by source-drain conductance modulations. The magnitude of the RTSs observed frequently exceeds 10% of the channel conductance and it exhibits a large scatter over two orders of magnitude. Analytical estimates and computer modeling show that the magnitude of the RTSs and the scatter cannot occur for a uniform MOSFET channel. It is concluded that fixed oxide and interface charge centers, which are present in the active device area at a high concentration, cause a percolating current distribution in the channel. The lucky trap centers located close to current paths give rise to large RTSs. The scatter in the magnitude of the RTSs is due to the random location of traps in the percolation pattern. Trapping centers causing RTSs thus act as atomic probes of the nonuniform current distribution in the channel. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 75 (1994), S. 2970-2979 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Capture and emission time constants are measured for a set of individual interface traps in different metal-oxide-semiconductor field-effect transistors (MOSFETs) by random telegraph signals. The data are evaluated to extract the Coulomb energy induced by the transfer of a single electron into an interface trap. A unified Coulomb energy of the order of several hundred millivolts independent of trap-specific properties is found, which is proportional to temperature and decays logarithmically with inversion carrier density in the MOSFET channel. The Coulomb energy found is in quantitative agreement with the theoretical modeling. The Coulomb effect is large compared to the trap lowering by the electric field and to the residual entropy change.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 103 (1995), S. 9918-9928 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Inter- and intramolecular vibrations of the Phenol dimer have been examined using spectral hole burning and dispersed fluorescence spectroscopy. The dispersed fluorescence spectra have been recorded via excitation of the electronic donor origin and all intermolecular vibrational transitions. The Franck–Condon intensity pattern allowed a straightforward assignment of the ground state vibrational frequencies to the excited state frequencies, which were examined by hole-burning spectroscopy. The existence of another conformer that possibly absorbs in the region of interest was ruled out by hole-burning spectroscopy. For obtaining the hole-burning spectra, the electronic origin of the donor chromophore was analyzed, while the hole-burning laser was scanned over the region of interest. As both acceptor and donor part belong to one molecule the hole-burning signal could be analyzed via fluorescence from one of the chromophores. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The intermolecular vibrations of phenol(CH3OH)1 and its deuterated isotopomer d-phenol(CD3OD)1 were examined by comparing the vibrational frequencies of the electronic ground and excited state with the results of ab initio normal mode calculations at the Hartree–Fock level, using the 4-31G* and 6-31G** basis sets. Full energy minimization showed a translinear structure similar to phenol(H2O)1 or to the water dimer. Dispersed fluorescence spectra have been recorded via excitation of the electronic cluster origin and several intermolecular vibrational transitions. The Franck–Condon intensity pattern allowed an assignment of the ground state vibrational frequencies to the excited state frequencies, which were examined by resonance enhanced multiphoton ionization and hole burning spectroscopy. The existence of another conformer that possibly absorbs in the region of interest was ruled out by hole burning spectroscopy of the phenol(CH3OH)1 cluster. A full assignment of all intermolecular vibrations of this hydrogen bonded cluster in the S0 state could be given for the first time on the basis of ab initio calculations and a combination of different spectroscopical methods. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 101 (1994), S. 7154-7160 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Collision experiments between two different molecules both oriented with their axis are presented: The kinetics of the CO desorption and NO sticking probability by oriented NO has been investigated using supersonic molecular beam and work function techniques. The work function measurements exhibit mainly molecular adsorption of NO on a CO precovered Ni(100) surface at T=300 K. The desorption and the sticking depend strongly on the initial orientation of the NO molecules in the gas phase. The sticking probability is higher for preferential N-end collisions and the sticking asymmetry is constant, whereas the desorption asymmetry changes its sign from initially negative to positive values, depending on the exposure time or NO coverage. We explain the asymmetries by two different mechanisms, namely direct and indirect molecular exchange. N-end collisions lead preferentially to NO sticking and NO induced CO desorption, whereas O-end collisions enhance the direct CO displacement.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 101 (1994), S. 10263-10273 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Three-dimensional calculations of the nuclear dynamics of the ozone cation have been performed involving the vibronically coupled 2A1–2B2 electronic states and using the results of large-scale ab initio computations of Schmelz et al. [Chem. Phys. Lett. 183, 209 (1991)]. Anharmonic (diabatic) potential surfaces are employed and the vibronic coupling term is taken to be a linear function of the asymmetric stretch coordinate. These calculations are compared to the first and second bands of the experimental photoelectron spectrum. Most features of its peculiar shape can be correctly reproduced and interpreted in this way. The band maximum for zero temperature is assigned to the fourth peak and the first peak of the experimental spectrum is interpreted as a hot band (vibronic temperature ≈275 K). In addition the properties of a quadratic model Hamiltonian are investigated and compared to the afore mentioned calculations. It is found that the model Hamiltonian is suitable to reproduce the full three-dimensional computations. As a by-product of this work the vertical ionization potentials (IP) of the interacting states are determined to be IP(2A1)=12.78 eV and IP(2B2)=13.02 eV. © 1994 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Industrial & engineering chemistry 44 (1952), S. 550-552 
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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