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  • 1
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    Antarctic Palaeoenvironments and Earth-Surface Processes (2013)
    London : The Geological Society
    Details
    Keywords: Antarctica; glacial geology; paleoclimatology; paleoenvironment; Southern Ocean
    Description / Table of Contents: Introduction --- Antarctic Palaeoenvironments and Earth-Surface Processes in context / Michael J. Hambrey and Bethan J. Davies / Geological Society, London, Special Publications, 381, 1-5, 24 September 2013, https://doi.org/10.1144/SP381.27 --- A. Palaeozoic and Mesozoic evolution of the Antarctic Continent --- The geological and tectonic evolution of the Transantarctic Mountains: a review / David H. Elliot / Geological Society, London, Special Publications, 381, 7-35, 1 July 2013, https://doi.org/10.1144/SP381.14 --- Differential Movement across Byrd Glacier, Antarctica, as indicated by Apatite (U–Th)/He thermochronology and geomorphological analysis / D. J. Foley, E. Stump, M. van Soest, K. X. Whipple and K. V. Hodges / Geological Society, London, Special Publications, 381, 37-43, 6 August 2013, https://doi.org/10.1144/SP381.25 --- Mesozoic to recent evolution of intraplate stress fields under multiple remote stresses: The case of Signy Island (South Orkney Microcontinent, Antarctica) / A. Maestro, J. López-Martínez and F. Bohoyo / Geological Society, London, Special Publications, 381, 45-65, 19 April 2013, https://doi.org/10.1144/SP381.4 --- The Taylor Group (Beacon Supergroup): the Devonian sediments of Antarctica / Margaret A. Bradshaw / Geological Society, London, Special Publications, 381, 67-97, 6 August 2013, https://doi.org/10.1144/SP381.23 --- Late Cretaceous dinosaurs from the James Ross Basin, West Antarctica / Marcelo A. Reguero, Claudia P. Tambussi, Rodolfo A. Coria and Sergio A. Marenssi / Geological Society, London, Special Publications, 381, 99-116, 24 July 2013, https://doi.org/10.1144/SP381.20 --- Palaeobiogeography of Austral echinoid faunas: a first quantitative approach / Thomas Saucede, Benjamin Pierrat, Arnaud Brayard and Bruno David / Geological Society, London, Special Publications, 381, 117-127, 19 April 2013, https://doi.org/10.1144/SP381.6 --- B. Cenozoic glaciation and impacts --- Taxonomic diversity of Eocene Antarctic penguins: a changing picture / Piotr Jadwiszczak / Geological Society, London, Special Publications, 381, 129-138, 24 June 2013, https://doi.org/10.1144/SP381.7 --- Heat-flow determinations of basement age in small oceanic basins of the southern central Scotia Sea / P. F. Barker, L. A. Lawver and R. D. Larter / Geological Society, London, Special Publications, 381, 139-150, 19 April 2013, https://doi.org/10.1144/SP381.3 --- Cenozoic landscape and ice drainage evolution in the Lambert Glacier–Amery Ice Shelf system / Duanne A. White / Geological Society, London, Special Publications, 381, 151-165, 1 July 2013, https://doi.org/10.1144/SP381.15 --- History of the grounded ice sheet in the Ross Sea sector of Antarctica during the Last Glacial Maximum and the last termination / Brenda L. Hall, George H. Denton, John O. Stone and Howard Conway / Geological Society, London, Special Publications, 381, 167-181, 19 April 2013, https://doi.org/10.1144/SP381.5 --- Late Eocene Glaciofluvial to Glaciomarine transition in the Lambert Graben: constraints from lithofacies and mineralogy of ODP Site 1166 sediments, Prydz Bay, Antarctica / K. Strand, J. Köykkä and J. Lamminen / Geological Society, London, Special Publications, 381, 183-197, 30 July 2013, https://doi.org/10.1144/SP381.24 --- The Offshore New Harbour Project: deciphering the Middle Miocene through Late Eocene seismic stratigraphy of Offshore New Harbour, western Ross Sea, Antarctica / Stephen F. Pekar, Marvin A. Speece, Gary S. Wilson, David S. Sunwall and Kirsty J. Tinto / Geological Society, London, Special Publications, 381, 199-213, 19 April 2013, https://doi.org/10.1144/SP381.2 --- Constraints on Antarctic Ice Sheet configuration during and following the Last Glacial Maximum and its episodic contribution to sea-level rise / John B. Anderson, Alexandra E. Kirshner and Alexander R. Simms / Geological Society, London, Special Publications, 381, 215-232, 1 July 2013, https://doi.org/10.1144/SP381.13 --- Glaciomarine sedimentation dynamics of the Abbot glacial trough of the Amundsen Sea Embayment shelf, West Antarctica / Katharina Hochmuth and Karsten Gohl / Geological Society, London, Special Publications, 381, 233-244, 24 July 2013, https://doi.org/10.1144/SP381.21 --- Southern Ocean bioproductivity during the last glacial cycle – new detection method and decadal-scale insight from the Scotia Sea / D. Sprenk, M. E. Weber, G. Kuhn, P. Rosén, M. Frank, M. Molina-Kescher, V. Liebetrau and H.-G. Röhling / Geological Society, London, Special Publications, 381, 245-261, 30 July 2013, https://doi.org/10.1144/SP381.17 --- Palaeoenvironmental records from the West Antarctic Peninsula drift sediments over the last 75 ka / Maryline J. Vautravers, David A. Hodell, James E. T. Channell, Claus-Dieter Hillenbrand, Mike Hall, James Smith and Robert D. Larter / Geological Society, London, Special Publications, 381, 263-276, 5 July 2013, https://doi.org/10.1144/SP381.12 --- Provenance of Pleistocene sediments from Site U1359 of the Wilkes Land IODP Leg 318 – evidence for multiple sourcing from the East Antarctic Craton and Ross Orogen / N. C. Pant, P. Biswas, Prakash K. Shrivastava, S. Bhattacharya, Kamlesh Verma, Mayuri Pandey and Iodp Expedition 318 Scientific Party / Geological Society, London, Special Publications, 381, 277-297, 1 July 2013, https://doi.org/10.1144/SP381.11 --- C. Glacial and periglacial processes --- Geomorphological evidence of cold-based glacier activity in South Victoria Land, Antarctica / C. B. Atkins / Geological Society, London, Special Publications, 381, 299-318, 24 July 2013, https://doi.org/10.1144/SP381.18 --- A review of geomorphic processes and landforms in the Dry Valleys of southern Victoria Land: implications for evaluating climate change and ice-sheet stability / D. R. Marchant, S. L. Mackay, J. L. Lamp, A. T. Hayden and J. W. Head / Geological Society, London, Special Publications, 381, 319-352, 1 July 2013, https://doi.org/10.1144/SP381.10 --- Landscape evolution and ice-sheet behaviour in a semi-arid polar environment: James Ross Island, NE Antarctic Peninsula / Bethan J. Davies, Neil F. Glasser, Jonathan L. Carrivick, Michael J. Hambrey, John L. Smellie and Daniel Nývlt / Geological Society, London, Special Publications, 381, 353-395, 19 April 2013, https://doi.org/10.1144/SP381.1 --- Windows on Antarctic soil–landscape relationships: comparison across selected regions of Antarctica / Megan R. Balks, Jerónimo López-Martínez, Sergey V. Goryachkin, Nikita S. Mergelov, Carlos E. G. R. Schaefer, Felipe N. B. Simas, Peter C. Almond, Graeme G. C. Claridge, Malcolm Mcleod and Joshua Scarrow / Geological Society, London, Special Publications, 381, 397-410, 16 May 2013, https://doi.org/10.1144/SP381.9 --- Sedimentary processes in two different polar periglacial environments: Examples from Schirmacher Oasis and Larsemann Hills, East Antarctica / Rajesh Asthana, Prakash K. Shrivastava, M. Javed Beg, Ashit K. Swain, Amit Dharwadkar, Sandip K. Roy and Hari B. Srivastava / Geological Society, London, Special Publications, 381, 411-427, 30 July 2013, https://doi.org/10.1144/SP381.22 --- Periglacial processes and landforms of the Antarctic: a review of recent studies and directions / Kevin Hall / Geological Society, London, Special Publications, 381, 429-453, 1 July 2013, https://doi.org/10.1144/SP381.16 --- Palaeoshoreline records of glacial isostatic adjustment in the Dry Valleys region, Antarctica / Stephanie A. Konfal, T. J. Wilson and B. L. Hall / Geological Society, London, Special Publications, 381, 455-467, 30 July 2013, https://doi.org/10.1144/SP381.26 --- Characteristic atmosphere–ocean–solid earth interactions in the Antarctic coastal and marine environment inferred from seismic and infrasound recording at Syowa Station, East Antarctica / Masaki Kanao, Alessia Maggi, Yoshiaki Ishihara, Eleonore Stutzmann, Masa-Yuki Yamamoto and Genti Toyokuni / Geological Society, London, Special Publications, 381, 469-480, 16 May 2013, https://doi.org/10.1144/SP381.8 --- Evaluation of Envisat ASAR IMP imagery for snow mapping at varying spatial resolution (Deception Island, South Shetlands – Antarctica) / Carla Mora, Gonçalo Vieira and Miguel Ramos / Geological Society, London, Special Publications, 381, 481-493, 24 July 2013, https://doi.org/10.1144/SP381.19
    Pages: Online-Ressource (VI, 506 Seiten) , Illustrationen, Diagramme, Karten
    ISBN: 9781862396401
    URL: https://sp.lyellcollection.org/content/381/1
    Language: English
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  • 2
    Electronic Resource
    Electronic Resource
    Subpicosecond laser ablation of dental enamel (2002)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 92 (2002), S. 2153-2158 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Laser ablation of dental enamel with subpicosecond laser pulses has been studied over the intensity range of (0.1–1.4)×1014 W/cm2 using 95 and 150 fs pulses at a pulse repetition rate of 1 kHz. The experimentally determined ablation threshold of 2.2±0.1 J/cm2 was in good agreement with theoretical predictions based on an electrostatic ablation model. The ablation rate increased linearly with the laser fluence for up to 15 times the ablation threshold. The absence of collateral damage was observed using optical and scanning electron microscopy. Pulpal temperature measurements showed an increase of about 10 °C during the 200 s course of ablation. However, air cooling at a rate of 5 l/min resulted in the intrapulpal temperature being maintained below the pulpal damage threshhold of 5.5 °C. The material removal rates for subpicosecond precision laser ablation of dental enamel are compared with other techniques. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1495896
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  • 3
    Electronic Resource
    Electronic Resource
    Ablation of solids by femtosecond lasers: Ablation mechanism and ablation thresholds for metals and dielectrics (2002)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Plasmas 9 (2002), S. 949-957 
    Details
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The mechanism of ablation of solids by intense femtosecond laser pulses is described in an explicit analytical form. It is shown that at high intensities when the ionization of the target material is complete before the end of the pulse, the ablation mechanism is the same for both metals and dielectrics. The physics of this new ablation regime involves ion acceleration in the electrostatic field caused by charge separation created by energetic electrons escaping from the target. The formulas for ablation thresholds and ablation rates for metals and dielectrics, combining the laser and target parameters, are derived and compared to experimental data. The calculated dependence of the ablation thresholds on the pulse duration is in agreement with the experimental data in a femtosecond range, and it is linked to the dependence for nanosecond pulses. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1447555
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  • 4
    Electronic Resource
    Electronic Resource
    The electron affinity of platinum (1993)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 98 (1993), S. 5104-5105 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The electron affinity of platinum has been measured to be 17 125(9) cm−1. A pulsed dye laser beam perpendicular to an ion beam photodetached the Pt−. The relative cross section near threshold was measured by detecting the fast neutrals. The threshold was determined by fitting the cross section to the Wigner law.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.464935
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  • 5
    Electronic Resource
    Electronic Resource
    Evidence of magnetic fields imprinted in ferromagnetic targets by the spontaneous magnetic field of a laser-produced plasma demonstrated by after-pulse pulsations of Kα emission (1997)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Plasmas 4 (1997), S. 3676-3683 
    Details
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The observation of an unusually long sequence of Kα pulses from planar Fe foil targets irradiated by a 180 ps laser pulse at intensities of(0.1–3)×1016 W/cm2 is presented. The duration of the Kα emission was up to 5 ns: approximately 30 times longer than the laser pulse. A proposed interpretation of these observations is that suprathermal electrons generated in the laser-produced plasma survive after the laser pulse and are gradually decelerated as they circulate in the magnetic field imprinted during the laser pulse in the ferromagnetic target material. Short bursts of Kαemission occur as these electrons pass through the target. The magnetic field in the cold part of the ferromagnetic target with temperature below the Curie temperature is an integral imprint of the spontaneous magnetic field generated in the laser-produced plasma. A model of this process provides a good fit to the experimental data. The effect could be useful as a diagnostic tool for measuring the spontaneous magnetic field and the energy of fast electrons. These results also open an opportunity for studies of magnetization processes in a ferromagnetic at an extremely high magnetic field: on the megagauss scale. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.872565
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  • 6
    Electronic Resource
    Electronic Resource
    Use of limestone wastes from metal mining as agricultural lime: potential heavy metal limitations (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Soil use and management 9 (1993), S. 0 
    Details
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. Finely ground limestone waste from lead mining is discarded as useless but could be a valuable alternative to agricultural limestone. A glasshouse pot experiment established that it is an effective liming material. Two kinds were used: one from north Wales (HMT) represented metal-rich waste produced by the older water-gravity separation of ores; the other (NLB) was a modern flotation tailings. A commercial lime (CLS) was used for comparison. The materials were applied to an acid soil in quantities sufficient to raise the pH to 7 (single liming) and at much greater rates equivalent to annual limings for 369 years. All treatments were replicated five times and the soil/lime mixtures were analysed for EDTA-extractable lead, zinc and cadmium. Radish was grown as the test plant and hypocotyl and leaf tissue were analysed for the same metals. The larger additions of HMT and NLB caused chlorosis and decreased yields. The cadmium and lead concentrations of leaves and hypocotyls suggested that the HMT material could be safely applied to soil annually for 79 years and NLB for 277 years. It is concluded that NLB can be used as agricultural limestone.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1475-2743.1993.tb00928.x
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  • 7
    Electronic Resource
    Electronic Resource
    Ultrafast ablation with high-pulse-rate lasers. Part II: Experiments on laser deposition of amorphous carbon films (1999)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 85 (1999), S. 4222-4230 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Ultrafast pulsed laser deposition is a novel technique for depositing particle-free, thin solid films using very high repetition rate lasers. The process involves evaporation of the target by low energy laser pulses focused to an optimum intensity to eliminate particles from the vapor. This results in films with very high surface quality while the very high repetition rate increases the overall deposition rate. Here we report an experimental demonstration of the process by creating ultrasmooth, thin, amorphous carbon films using high repetition rate Nd:YAG lasers. Both a 10 kHz, 120 ns Q-switched Nd:YAG laser, or a 76 MHz 60 ps mode-locked Nd:YAG laser were used in the experiments. The number of particles visible with an optical microscope on the carbon film deposited using the mode-locked laser was less than one particle per mm2. Scanning electron microscopy images demonstrated that the deposited film had a very fine surface texture with nanoscale irregularities. Atomic force microscopy surface microroughness measurements revealed a saturation-like behavior of the root-mean-square roughness at 〈12 nm over the whole deposited surface area for 10 kHz Q-switched laser evaporation; and almost at the atomic level (〈1 nm) for the 76 MHz mode-locked laser evaporation. Raman spectroscopy of the deposited films indicated that they consisted of a mixture of sp3 and sp2 bonded amorphous carbon. The thickness of the amorphous carbon film deposited simultaneously on two 4 in. silicon wafers varied by only ±5% over an area of ∼250 cm2. The deposition rate was ∼2–6 Å/s at a distance of ∼150 mm from the target, which is 10 to 25 times higher than that achieved with conventional high energy low repetition rate nanosecond lasers. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.370334
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  • 8
    Electronic Resource
    Electronic Resource
    A novel method for depth profiling and imaging of semiconductor devices using capacitive coupling voltage contrast (1987)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 62 (1987), S. 4909-4915 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A scanning electron microscope was used in the voltage contrast mode to examine the relationship between dynamic secondary electron emission from passivated devices and buried structure depth. A primary electron beam energy of 500 eV was used. Depth measurement was performed on floating structures with an average error of 6.59%, 4.93% standard deviation, over a depth range of 0.04–0.76 μm. Further, a method of producing capacitive coupling voltage contast (CCVC) images of unbiased devices was developed, having a spatial resolution of better than 1 μm micron through passivation. A modified version of the Gorlich model for CCVC decay is presented to explain the experimental results [S. Gorlich, K. D. Herrmann, and E. Kubalek, in Proceedings of the Microcircuit Engineering 84 Conference (Academic, London, 1985)].
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.338999
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  • 9
    Electronic Resource
    Electronic Resource
    Role of kinetics and thermodynamics in alloy clustering and surface quality in InAlAs grown by molecular-beam epitaxy: Consequences for optical and transport properties (1986)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 60 (1986), S. 3167-3171 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We present results of a Monte Carlo computer simulation which was carried out to understand the molecular-beam epitaxial (MBE) growth of InAlAs. We focus on developing an understanding of the role of growth conditions on the short-range order (alloy clustering) in the system as well as the quality of the growth front during growth. We find that for common anion alloy systems for which thermodynamics favor phase separation, the conditions for high-quality alloy and high-quality surfaces (and heterointerfaces) are incompatible if the conventional MBE growth approach is used. We also examine the effect of the alloy clustering on the optical and transport properties of InAlAs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.337730
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  • 10
    Electronic Resource
    Electronic Resource
    Penumbral neutron imaging—optimization and simulation (1986)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 60 (1986), S. 1289-1294 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: This paper describes the optimization of the penumbral neutron imaging camera. The optimum parameters are qualified by practical considerations and the resulting camera is tested using a full Monte Carlo simulation. It is shown that an object emitting only 1.3×1010 neutrons/resolution element should be imageable. This result is confirmed by simulations of three different object shapes which indicate that the shape of the core of a compressed inertial confinement fusion pellet may be determined by this technique. It is further shown that these results correspond to the lowest possible imageable yield for any coded-aperture technique using the parameters assumed here. Finally, an alternative aperture and detector arrangement is briefly described which may lower the imageable yield by more than an order of magnitude.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.337298
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