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'Block Structures' in keywords Facet   Publication Year 1979  [X]
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1979[X]
1Author    Günter Heurung, Reginald Gruehn, Herbert BrunnerRequires cookie*
 Title    Beiträge zur Untersuchung anorganischer nichtstöchiometrischer Verbindungen, Villa Elektronenmikroskopischer Nachweis neuer, eng begrenzter Defekte bei Blockstrukturen und Berechnung ihrer O/Me-Werte Contributions to the Study of Inorganic Non-Stoichiometric Compounds, VIII a Electronmicroscopical Proof of New, Small Area Defects of Block Structures and Calculation of Their O/Me Values  
 Abstract    Compounds of the systems Fe203-Nb205 (O/Me < 2.5) and Nb205-W03 (O/Me > 2.5) were prepared by chemical transport. The block structures of the obtained phases were investigated by high resolution transmission electron microscopy. The unusual defects observed were nearly identical in both systems. A recently devel-oped method to calculate the O/Me value of block structures [ 1 ] was extended and used for these defects. 
  Reference    Z. Naturforsch. 34b, 553—562 (1979); eingegangen am 27. November 1978 
  Published    1979 
  Keywords    Block Structures, Crystal Structures, Defect Structures, High Resolution Electron Microscopy 
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 TEI-XML for    default:Reihe_B/34/ZNB-1979-34b-0553.pdf 
 Identifier    ZNB-1979-34b-0553 
 Volume    34 
2Author    Günter Heurung, Reginald GruehnRequires cookie*
 Title    Beiträge zur Untersuchung anorganischer nichtstöchiometrischer Verbindungen, IX a Elektronenmikroskopische Untersuchungen an Kristallen aus Transportexperimenten -System Nb205-W03 (I) Contributions to the Study of Inorganic Non-Stoichiometric Compounds, IX a Electron Microscopical Investigations on Crystals Prepared by Chemical Transport in the System Nb205-W03 (I)  
 Abstract    Compounds near the composition Nb205: WO3 ~ 6:1 were prepared by chemical trans-port (at relatively low temperatures). The block structures of the obtained samples were investigated by high resolution electron microscopy. Besides unusual defects microdomains were found which still contain edgesharing blocks even at the composition 0/27Me = 2.53 to 2.55. 
  Reference    Z. Naturforsch. 34b, 1377—1384 (1979); eingegangen am 18. Juni 1979 
  Published    1979 
  Keywords    Block Structures, Defect Structures, High Resolution Electron Microscopy, Niobium Tungsten Oxides, Chemical Transport 
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 TEI-XML for    default:Reihe_B/34/ZNB-1979-34b-1377.pdf 
 Identifier    ZNB-1979-34b-1377 
 Volume    34