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  • 1
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 28 (1972), S. 3105-3105 
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 32 (1976), S. 928-929 
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 25 (1990), S. 4140-4142 
    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 Modified lead titanate ceramics were prepared from batches with compositions PbxCa0.30Ti094 (Co1/2W1/2)0.06O23+x (x = 0.67, 0.68, 0.69, 0.70, 0.71 and 0.72) with 1 mol % MnO to determine the effect of PbO content on the dielectric and piezoelectric properties. An increase in PbO content increased the grain size and reduced the planar coupling factork p. The dielectric constant ɛ T 33 /ɛ0 and the piezoelectric constantd 33 reached a maximum for a ceramic made from a batch with stoichiometric PbO content (x = 0.70).
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 389 (1972), S. 315-320 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: KNO2 III ist unterhalb -13°C monoklin, Raumgruppe P21 oder P21/m, mit a0, b0, c0 = 4,677, 9,650, 6,395 Å, β = 93,8° bei -35°C Eine weitere Phasen-umwandlung findet statt zwischen -35°C und -100°C zu einer neuen Phase KNO2 VII. KNO2 VII ist bei -100°C auch monoklin, Raumgruppe P21 oder P21/m, aber mit a0, b0, c0 = 8,397,4,773, 7,644 Å, β = 112°. Beide Phasen scheinen geordnet zu sein.
    Notes: KNO2 III below -13°C is monoclinic, space group P21 or P21/m, with a0, b0, c0 = 4.677, 9.650, 6.395 Å, β = 93.8° at -35°C. There is a further phase transformation between -35°C and -100°C to a new phase KNO2 VII, which is also monoclinic, space group P21 or P21/m: with a0, b0, c0 = 8.397, 4.773, 7.644 Å, β = 112° at -100°C. Both these phases appear to be ordered.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
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