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| Creator | Title | Description | Subject | Date | ||
|---|---|---|---|---|---|---|
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Vardeny, Zeev Valentine | Electrical and optical studies of gap states in self-assembled molecular aggregates | We fabricated a variety of two-terminal devices using self-assembled monolayers (SAM) of solid-state mixtures comprised of molecular "wires" [1,4-methane-benzenedithiol (Me-BDT)] and molecular insulator "spacers" [1-pentanethiol], which were prepared at various molar concentrations ratio, r of wires... | Gap states; Self-assembled molecular aggregates | 2007 |
| 2 |
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Wu, Yong-Shi | Identification of androgen response elements in the insulin-like growth factor I upstream promoter | Testosterone stimulates the expression of IGF-I in cells and tissues that include prostate, muscle and muscle satellite cells, and the uterus. Here, the molecular mechanisms of this effect of testosterone were explored. Testosterone increased IGF-I mRNA levels in HepG2 and LNCaP cells and stimulated... | IFG-I; Androgen-responsive elements | 2007 |
| 3 |
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Symko, Orest George | Magnetic memory of oil paintings | The color in oil paints is obtained sometimes from magnetic minerals. This fact implies that oil paintings could present an intrinsic magnetization. Magnetic imaging of an oil painting consists in the measurement of magnetic flux related to the magnetization of the painting. In this report results o... | Magnetic memory; Oil paintings; Authentication | 2007 |
| 4 |
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Bromley, Benjamin C. | Periodic standing-wave approzimation: post-Minkowski computations | The periodic standing-wave method studies circular orbits of compact objects coupled to helically symmetric standing-wave gravitational fields. From this solution an approximation is extracted for the strong field, slowly inspiralling motion of black holes and binary stars. Previous work on this m... | Black holes; Binary stars; Gravitational waves | 2007 |
| 5 |
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Lupton, John Mark | Picosecond time-resolved photoluminescence spectroscopy of a tetracene film on highly oriented pyrolytic graphite: dynamical relaxation, trap emission and superradiance | A detailed time resolved investigation of the photoluminescence of a thin tetracene film deposited on highly oriented pyrolytic graphite is presented. In agreement with Lim et al. [Phys. Rev. Lett. 92, 107402 (2004)], we find strong evidence for superradiance: an increase of the relative intensity... | Tetracene film; Pyrolytic graphite Photoluminescence spectroscopy; pi-conjugated polymers; Dynamical relaxation; Trap emission; Superradiance | 2007 |
| 6 |
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Vardeny, Zeev Valentine | Studies of polymer microring lasers subject to uniaxial stress | The emission spectra of microring lasers fabricated from ∏-conjugated polymer films casted on nylon microfibers with diameters in the range of 35-90 µm were studied upon application of uniaxial stress with strain up to ~12%. The laser emission spectra substantially change with the applied stress,... | pi-conjugated polymers; Microring lasers; Uniaxial stress; DOO-PPV | 2007 |
| 7 |
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Williams, Clayton C. | Three-dimensional model of single electron tunneling between a conductive probe and a localized electronic state in a dielectric | Motivated by recent measurements of force detected single-electron tunneling, we present a three-dimensional model for the tunneling rate between a metallic tip and a localized electronic state in a dielectric surface. The tip is assumed to be semi-infinite, with electron wave functions approximat... | STM; Scanning; Tunneling Microscopy; Electron states | 2007 |
| 8 |
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Mishchenko, Eugene; Williams, Clayton C. | Three-dimensional model of single-electron tunneling between a conductive probe and a localized electronic state in a dielectric | Motivated by recent measurements of force detected single-electron tunneling, we present a three-dimensional model for the tunneling rate between a metallic tip and a localized electronic state in a dielectric surface. The tip is assumed to be semi-infinite, with electron wave functions approximated... | Dielectric surface; Tunneling rate | 2007 |
| 9 |
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Vardeny, Zeev Valentine | Unidirectional laser emission from ∏-conjugated polymer microcavities with broken symmetry | We report unidirectional laser emission from ∏-conjugated polymer microcavities with broken symmetry geometries such as spiral and microdisk containing a "line defect," in comparison with plain microdisk cavity having isotropic emission. We found that the laser emission directionality contrast ra... | pi-conjugated polymers; Unidirectional laser emission; Microcavities; DOO-PPV; Poly(dioctyloxy) phenyl vinylene | 2007 |
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