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  • 1
    Electronic Resource
    Electronic Resource
    The Jahn–Teller effect in molecules and crystals by R. Englman (1973)
    [S.l.] : International Union of Crystallography (IUCr)
    Acta crystallographica 29 (1973), S. 108-109 
    Details
    ISSN: 1600-5724
    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/S0567739473000288
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  • 2
    Electronic Resource
    Electronic Resource
    The Photographing of Cooling Curves (1930)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 34 (1930), S. 2624-2626 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j150317a015
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  • 3
    Electronic Resource
    Electronic Resource
    X-ray photoelection spectroscopy study of molybdenum clusters in zeolite Y (1987)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 91 (1987), S. 6331-6333 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100309a003
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  • 4
    Electronic Resource
    Electronic Resource
    Action of Sulphur Dioxide on Phosphates of Calcium1 (1931)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 23 (1931), S. 1262-1271 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie50263a017
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  • 5
    Electronic Resource
    Electronic Resource
    Radiation effects and the leach rates of vitrified radioactive waste (1982)
    [s.l.] : Nature Publishing Group
    Nature 295 (1982), S. 130-132 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Dran et al.10'11 irradiated glasses and crystalline minerals with 200-keV Pb ions and found that an enhanced leach rate occurs above a critical fluence of 5xl012 ions cnT2, which corresponds to the dose at which the individual damage zones (each of lateral extent 10 nm) produced by the Pb ions ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/295130a0
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  • 6
    Electronic Resource
    Electronic Resource
    Direct observation of alkali metal colloids in alkali halide crystals (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 383-385 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Increasingly sophisticated techniques have been applied to the study of these colloidal centres, for example, ultramicroscopy11, diffuse X-ray scattering12,13, NMR14,15, EPR16?18, electrical conductivity19 and surface replication20?28. Despite 70 years of investigation, their existence has still ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/252383b0
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  • 7
    Electronic Resource
    Electronic Resource
    Surface deacidification of ZSM5 by SiCl4 treatment: Assessment of surface specificity by methylene blue adsorption (1989)
    Springer
    Catalysis letters 2 (1989), S. 279-285 
    Details
    ISSN: 1572-879X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract A study has been made of ZSM5 zeolite deacidification (dealumination) by high temperature treatment in SiCl4 vapour, monitoring total acidity by Na+-exchange, and external surface acidity by methylene blue adsorption (exchange), with comparative measurements of theN Si/NAl ratio (nominally external surface) by XPS. Using H-ZSM5, the highest specificity for external surface deacidification was found at the lowest usable values of treatment temperature, time andp Sicl4. Using Na-ZSM5 in place of H-ZSM5 did not offer a useful improvement. A steaming/HCl-leaching method was shown not to be suitable for selective external surface deacidification. Values ofN Si/NAl by XPS were dependent on the method of sample preparation, with mechanical stress (pelleting, pressing) tending to give abnormally low values due to crystal or aggregate fracture: this effect became more serious with increasing severity of SiCl4 treatment. Even after correcting for XPS emission from subsurface layers, agreement between surfaceN Si/NAl values from XPS and acidity measurements was poor for samples with a low degree of bulk deacidification (mild SiCl4 treatments), and is ascribed to non-acidic surface Al.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00770225
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  • 8
    Electronic Resource
    Electronic Resource
    Reactions at the Al/SiO2/SiC layered interface (1990)
    Springer
    Journal of materials science 25 (1990), S. 4856-4865 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Electron spectroscopy and thermodynamic modelling have been used to examine reactions at the Al/SiO2/SiC layered interfaces at 800 °C. The reactions have been examined as a function of oxide thickness. Three regimes have been isolated: (i) where there is no oxide present aluminium and SiC react to produce Al4C3 and free silicon; (ii) where there is a thin oxide present the initial products are aluminosilicates and amorphous alumina; however, once the SiO2 is consumed, Al4C3 emerges as a product; (iii) where a thick oxide is present only aluminosilicate and alumina are formed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01129953
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  • 9
    Electronic Resource
    Electronic Resource
    XPS study of an intergranular phase in yttria-zirconia (1989)
    Springer
    Journal of materials science 24 (1989), S. 1057-1061 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract X-ray photoelectron spectroscopy (XPS) has been used to investigate impurity phase segregation at grain boundaries in 10mol% Y2O3-90mol% ZrO2. The segregant material forms a thin film in the intergranular region up to 1400° C. At higher temperatures it redisperses to triple points and the external surface of the compacts used in the experiment. The XPS results indicate that the segregant material is similar to a chain silicate of composition 1.5Na2O∶0.5Y2O3∶3.0SiO2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01148798
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  • 10
    Electronic Resource
    Electronic Resource
    Ostwald ripening and its application to precipitates and colloids in ionic crystals and glasses (1978)
    Springer
    Journal of materials science 13 (1978), S. 1611-1631 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The theory of Ostwald ripening developed by Lifshitz and Slezov and by Wagner (LSW theory) has been used for many years to interpret ageing experiments in metallic alloys. The theory is reviewed, and extended in some respects which are suggested by using it to interpret experiments on the ripening of precipitates and colloids in non-metallic systems. A detailed treatment is given for the case where the diffusion of solute species down dislocations or grain boundaries controls the ripening rate and the particle size distribution. The assumptions and approximations used in the theory are examined, and it is shown that an inhomogeneous spatial distribution of particles can lead to several independently ripening systems within the same sample if groups of particles are separated by distances large compared with the interparticle separation within each group. The theory is then used to interpret observed size distributions of precipitates in alkali halides and glass. Some of the data do not fit into the framework of the LSW theory and it is suggested that this is the result of the extremely inhomogeneous spatial distributions of particles found in electron microscope studies of these systems
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00548725
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