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  • 1
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The Quaternary System ZnIn2S4—ZnIn2Se4—In2Se3—In2S3The title system has been investigated on the indium rich side (ratio In/Zn ≥ 2) on samples quenched from 800°C to room temperature using x-ray methods. In this section 7 different phases could be identified the phase borders of which are given. ZnIn2S4-type and thiogallate type mixed crystals only show a small region of homogeneity while the monophase region of spinel type mixed crystals in the indiumsulfide rich part of the phase diagram has a larger extension. There is a new trigonal compound ZnIn2S2Se2 (ahex = 3.937, chex = 31.97 Å) with a large region of homogeneity. In the indiumselenide rich part there are two new phases: (i) Zn0.4In2Se3.4 with unknown structure and (ii) a ternary phase of unknown structure in the system In2S3-xSex for 2.1 ≤ x ≤ 2.7.
    Notes: Im System Zn—In—S—Se wurde das Teilsystem ZnIn2S4—ZnIn2Se4—In2Se3—In2S3 röntgenographisch an Präparaten, die von 800°C abgeschreckt worden waren, untersucht. Danach weisen ZnIn2S4 bzw. ZnIn2Se4 nur kleine, die Spinelldefektstruktur im In2S3-reichen Teil des Phasendiagramms dagegen einen ausgedehnten Homogenitätsbereich auf. Neu beobachtet wurden drei Verbindungen: 1. trigonales ZnIn2S2Se2 (ahex = 3,937, chex = 31,97 Å) mit ebenfalls großem Homogenitätsbereich 2. Zn0,4In2Se3,4 und 3. In2S3-xSex für 2,1 ≤ x ≤ 2,7. Für die beiden ternären Verbindungen bleiben die Strukturen noch unbekannt.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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