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  • 1
    Electronic Resource
    Electronic Resource
    Thin films of amorphous MoO3 as a negative resist (1987)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 51 (1987), S. 1527-1529 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Lithographic properties of amorphous MoO3 films exposed to a glow discharge hydrogen plasma have been investigated. It has been observed that the etching rate of an exposed film in alkaline solution is lower compared to an unexposed one, giving rise to a negative tone behavior of the material. The etching characteristics as a function of exposure time and substrate temperature (during exposure) and their correlation with optical transmission have been studied. The contrast (γ) obtained is 4.2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.98624
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  • 2
    Electronic Resource
    Electronic Resource
    Plasma-processed Ag/P4Se10 (80° deposited) films as a negative resist (1987)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 62 (1987), S. 4303-4305 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Lithographic properties of Ag/P4Se10 (80° deposited) films exposed to photons and glow-discharge hydrogen plasma have been investigated. It has been observed that the etching rate of the exposed film is lower compared to the unexposed one, giving rise to a negative tone behavior of the material. The effect of exposure time on the etching rate and selectivity ratio has been studied. The contrast (γ) values obtained for the photoexposed and plasma-exposed negative resists are 2.9 and 5.1, respectively, with a photosensitivity of ∼1021 photons/cm2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.339109
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  • 3
    Electronic Resource
    Electronic Resource
    Lithographic properties of amorphous WO3 films exposed to photons, electrons, and hydrogen plasma (1987)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 62 (1987), S. 4273-4276 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Lithographic properties of amorphous WO3 films exposed to photons, electrons, and glow-discharge hydrogen plasma have been investigated. It has been observed that the etching rates of the films in an alkaline solution are lower compared to the unexposed ones, giving rise to a negative tone behavior of the material. The etching characteristics as a function of exposure time and their correlation with the optical transmission have been studied. The contrast (γ) values obtained are 2.3 for photons, 4.0 for electrons, and 2.7 for hydrogen plasma. The sensitivity (S) values obtained are∼1021 photons /cm2 for photons and 10−3 C/cm2 for electrons.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.339101
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  • 4
    Electronic Resource
    Electronic Resource
    X-ray luminosity time-of-flight spectrometer for laser-produced plasmas (1988)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 59 (1988), S. 1076-1080 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A simple and compact x-ray luminosity time-of-flight spectrometer for measurements of the velocity distribution of highly charged ions in laser-produced plasmas is presented. The spectrometer is based on making time- and space-resolved measurements of x-ray line emission from these ions in the expansion zone. Design, operation, and performance of this system are described. The spectrometer is useful in studying processes of interaction between highly charged ions and buffer gases, and nonthermal behavior of laser-produced plasma expansion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1139729
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  • 5
    Electronic Resource
    Electronic Resource
    Ablation parameters in KrF laser/plasma interaction: An experimental study (1987)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Fluids 30 (1987), S. 179-185 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Experimental measurements of ablation parameters in a KrF laser produced aluminum plasma are presented for the laser intensity range of 1011–1013 W/cm2. Plasma created from large focal spots shows single broad ion current pulses as compared to two groups of ions observed from small focal spots. Detailed analysis of the velocity distributions of emitted ions is carried out to understand this behavior and its effect on measurements of the ablation parameters. Scalings with laser intensity of the mass ablation rate (m(overdot)∼I0.42L) and of the ablation pressure (Pa∼I0.81L) giving m(overdot)=1.5×105 g cm−2 sec−1 and Pa=5.5 Mbar at a laser intensity of 1013 W/cm2 are obtained. The results are found to be in good agreement with the predictions of a plasma ablation model based on inverse bremsstrahlung dominated absorption.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.866167
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  • 6
    Electronic Resource
    Electronic Resource
    Hybrids of Bread Wheat (Triticum aestivum) with Thinopyrum scirpeum (4x) and Thinopyrum junceum (6x) (1986)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 97 (1986), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Hybrids were obtained by crossing Thinopyrum scirpeum (4x) and T. junceum (6x) onto Triticum aestivum cv, ‘Chinese Spring’. An average meiotic pairing of 24.44I+ 5.07II+ 0.14IIIin the ‘Chinese Spring’×T. scirpeum hybrid (ABDE1E2) is attributed to two similar genomes from T. scirpeum (E1E2E3E4). An average meiotic chromosome pairing in the other hybrid (ABDJ1J2E3) was 31.70I+ 3.80II+ 0.90III and is attributed to autosyndetic pairing between the three genomes of T. junceum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0523.1986.tb01041.x
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  • 7
    Electronic Resource
    Electronic Resource
    Local climate, topography and plant growth in Lathkill Dale NNR. II. Growth and nutrient uptake within a single season (1986)
    Oxford, UK : Blackwell Publishing Ltd
    Plant, cell & environment 9 (1986), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract In a 30-week field experiment, observations on growth and nutrient uptake in potted plants were made concurrently with soil and air temperatures on north- and south-facing slopes. Parallel observations were also made in a controlled environment. Growth in the field was slow but steady, declines in shoot weight fraction with time being matched by increases in rate of dry weight increment per unit of shoot. Increases in root weight fraction, however, failed to match low and declining rates of nitrogen uptake per unit of root; hence, nutrient concentrations generally declined with time. Thermal time in the form of degree-day integrals above the base 3°C was found to correlate well with growth, each degree day contributing a 0.16% increase in total dry weight, on average. Soil, locational and moisture effects caused this average to vary ca. two-fold in either direction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/1365-3040.ep11613478
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  • 8
    Electronic Resource
    Electronic Resource
    Three-dimensional time-domain electromagnetic modelling using a compact finite-element frequency-stepping method (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical journal international 96 (1989), S. 0 
    Details
    ISSN: 1365-246X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: A class of time-domain electromagnetic modelling problems is solved using a frequencystepping solution to the vector diffusion equation. The model consists of a heterogeneous structure embedded in the bottom layer of a two-layer half-space. The compact finite-element method (CFEM) is used for the vector Helmholtz equation part of the solution. The CFEM combines finite-element and integral-equation techniques in a direct, rather than an iterative, solution. The partial use of an isoparametric formulation allows the modelling of a dipping heterogeneous zone without a staircase effect. For sheet-like models, the technique is consistent with modelling results for resistivity contrasts of up to 300: 1. As an illustrative application, the responses of vertical and dipping prisms, in contact with and below a conductive overburden, are compared.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-246X.1989.tb06007.x
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  • 9
    Electronic Resource
    Electronic Resource
    Structure of cueunicin acetate (1986)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 42 (1986), S. 434-436 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270186095884
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  • 10
    Electronic Resource
    Electronic Resource
    Structure of tetracarbonyl[2-(β-diphenylphosphinoethyl)pyridine]molybdenum(0) (1988)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 44 (1988), S. 1001-1004 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270188001842
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