Results 211 to 220 of about 41,534 (267)
Canalized polaritons as virtual waveguides for nanoscale emitters
Voronin K +9 more
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An evaluation of the intrinsic emittance of a field emitter
Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures Processing, Measurement, and Phenomena, 1996The beam quality of an idealized two-dimensional field emitter is evaluated. Under the assumption that the space-charge effects are negligible, a scaling law is constructed for the intrinsic emittance of an isolated emitter. This scaling law takes into account the Fowler–Nordheim (F–N) emission law and the effects of local field enhancement.
Youfan Liu, Y. Y. Lau
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Slice emittance and projected emittance
Chinese Physics B, 2008This paper presents an analytical description for the growth of the projected emittance (here just referred to the transverse emittance) based on the concept of the slice emittance in an RF photoinjector. In the RF photoinjector, the slice emittance undergoes small changes, but the projected emittance changes significantly even in the drift space after
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Physical Chemistry Chemical Physics, 2022
The landscape of plasmon enhanced photoluminescence of quantum dots (QDs) was mapped by varying its distance from Au nanoparticles and QD–QD separations. The pivotal role of emitter–emitter interactions on metal enhanced fluorescence is established.
Elizabeth Mariam Thomas +4 more
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The landscape of plasmon enhanced photoluminescence of quantum dots (QDs) was mapped by varying its distance from Au nanoparticles and QD–QD separations. The pivotal role of emitter–emitter interactions on metal enhanced fluorescence is established.
Elizabeth Mariam Thomas +4 more
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Functional electrospray emitters
The Analyst, 2009Electrospray ionisation (ESI) is a soft technique used in mass spectrometry (MS) analysis able to introduce a wide variety of analytes in the gas phase. Briefly, it consists in the application of a high-voltage to a solution to spray it through a small orifice.
Prudent M, Girault HH
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Metasurfaces for Molecular Emitter
2022 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2022We demonstrate extraordinarily spectrally selective narrowband mid-infrared radiation absorbance and thermal emittance with the strong surface enhancement of molecular infrared absorption (SEIRA) using mid-midinfrared metasurfaces. This was achieved by harnessing mode coupling between a plasmonic metal-insulator-metal (MIM) metasurface and molecular ...
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Canadian Journal of Physics, 1985
Measurements of the emitter-injection efficiency and calculations of the emitter effective surface-recombination velocity are reported for polysilicon emitter transistors, i.e., bipolar transistors with a polysilicon–insulator tunnel-junction contact to the emitter.
P. Van Halen +2 more
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Measurements of the emitter-injection efficiency and calculations of the emitter effective surface-recombination velocity are reported for polysilicon emitter transistors, i.e., bipolar transistors with a polysilicon–insulator tunnel-junction contact to the emitter.
P. Van Halen +2 more
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Triplet emitters versus TADF emitters in OLEDs: A comparative study
Polyhedron, 2018Abstract The quest for highly efficient electroluminescent materials that can be used in organic light emitting diodes (OLEDs) has been attracting continuously attention. OLEDs are becoming a considerable market for specialist manufacturer, as a consequence of the growing demand for efficient solution in lighting and displays.
C. Bizzarri +3 more
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Mode-discriminating emitter device with an active emitter and a passive emitter
2023ZHU YEYU, LU CHIEN-YAO
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Optimization of efficiency enhancement of TOPCon cells with boron selective emitter
Solar Energy Materials and Solar Cells, 2023Ningyi Yuan, Qinqin Wang, Lvzhou Li
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