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  • 1
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 69 (1996), S. 319-321 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: In this letter, we report fabrication of pulsed-shaped phosphorus doping profiles in Si, using a XeCl (λ=380 nm) pulsed excimer laser. Phosphorus buried layers as shallow as 750 A(ring) and as deep as 3200 A(ring), with peak full width at half-maximums as narrow as 100 A(ring) and as broad as 900 A(ring) are demonstrated. It is also demonstrated that the sample is free of point defects and full electrical activation is achieved by using a rapid thermal anneal at 800 °C for 30 s after the laser processing. This process, we demonstrate, afford simplicity, versatility, and independent control over the depth, width, and height of the phosphorus buried layer. Phosphorus buried layers have potential application in the fabrication of metal–oxide–semiconductor field effect transistors and BiPOLAR electronic devices. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 78 (2001), S. 925-927 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Recently, we have demonstrated that, due to differential thermal budget, laser silicidation is an attractive alternative for deep submicron metal-oxide field effect transistors. In laser thermal processing, any spatial beam nonuniformities or pulse to pulse energy fluctuations lead to varying Si melt depth and hence variations in the silicide depth. In this letter, we report that amorphization is a possible solution for this problem. We demonstrate that stochiometric titanium disilicide can be fabricated using laser thermal processing. We also show that the depth of the silicide can be defined by amorphization and that process margin can be created in laser thermal processing. © 2001 American Institute of Physics.
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Industrial and engineering chemistry 11 (1972), S. 211-214 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Macromolecules 2 (1969), S. 419-425 
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 176 (1955), S. 27-28 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The experimental arrangement consists of the usual Debye-Sears equipment for observing ultrasonic diffraction patterns. The material in the form of a thin plate, of which the elastic constants are to be determined, is placed in the cell interrupting the ultrasonic radiation from the quartz ...
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  • 6
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Solid State Communications 39 (1981), S. 233-237 
    ISSN: 0038-1098
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 3 (1950), S. 0 
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 236 (1970), S. 111-115 
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Zusammenfassung Beim Strecken von Nylon-6-Fasern im Vakuum resultieren gut auflösbare Spektren, die dem Sekundärradikal (I)−CO−NH−ĊH−CH2−zuzuschreiben sind. Setzt man die gestreckten Fasern der Luft aus (Sauerstoff), so erhält man die entsprechenden Peroxydradikale $$(II) - CO - NH - CH\dot O_2 - CH_2 - $$ . Die Reaktion ist reversibel. Das Radikal (I) ist identisch mit dem, das man durch γ-Bestrahlung im Vakuum erhält und das bei Luftzutritt unverändert bleibt. Tatsächlich ergibt sich mit γ-Strahlung in Luft ebenfalls dieses Spektrum. Die Leichtigkeit, mit der Sauerstoff im ersten, aber nicht im 2. Fall mit den Radikalen reagiert, legt nahe, daß im 1. Fall die Radikale meist in den amorphen Teilen entstehen, während im 2. Fall die Radikale vorwiegend in den Kristallbereichen vorliegen. Beim Strecken der Probe werden die kürzesten Brückenmoleküle in den amorphen Bereichen, die die Kristallamellen verbinden, zerrissen. Die Strahlung jedoch schafft Radikale über die ganze Probe, so daß der Hauptanteil im Kristallinen sitzt.
    Notes: Summary Stretching of nylon-6 fibers in vacuum results in well-resolved spectrum which is attributed to the secondary radical (I)−CO−NH−ĊH−CH2−.Exposure of stretched fibers to air (oxygen) yield the corresponding peroxy radical $$(II) - CO - NH - CH\dot O_2 - CH_2 - $$ . This reaction is reversible. The radical I is identical with those obtained by γ-irradiating nylon-6 fibers (in vacuum) which remain unchanged on opening to air. In fact, γ-irradiation in air also resulted in the same spectrum. The ease with which oxygen reacts with the radicals in the former and not in the latter case, strongly suggests that in the former case, the radicals are trapped mainly in the amorphous region, whereas in the latter case such radicals are present predominantly in the crystalline region. In stretching the sample the shortest tie molecules located in the amorphous regions and connecting the crystal lamellae are ruptured. Radiation, however, creates radicals indiscriminately all over the sample so that the majority is located in crystalline regions.
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für angewandte Mathematik und Physik 23 (1972), S. 805-814 
    ISSN: 1420-9039
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Description / Table of Contents: Zusammenfassung Mittels einer abgeänderten Störungsmethode, welche auf der Linstedt-Poincaré-Technik basiert und die säkularen Glieder vermeidet, werden nichtlineare Schwingungen von Trägern und Membranen untersucht.
    Notes: Summary Non-linear vibrations of beams and membranes are considered using a modified perturbation method based on the Linstedt-Poincare technique, which avoids the secular terms.
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 31 (1975), S. 885-886 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Die Aktivitäten von Cytochrom-c-Oxydase und Succinat-Dehydrogenase sowie die oxydative Phosphorylation wurden in isolierten Mitochondrien vonS. ruficornis-Larven durch Zusatz von BSA, EDTA und Cystein zu den Homogenaten vor Schädigung durch phenolische Substanzen geschützt.
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