Preparation, characterization and physical properties of new compounds in the system Ln_1tn2O_1tn3 - ReO_1tn2 - _721Re_1tn2O_1tn7 (Ln=lanthanides or yttrium) [Elektronische Ressource] / von Thomas Hartmann
72 pages
English
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Preparation, characterization and physical properties of new compounds in the system Ln_1tn2O_1tn3 - ReO_1tn2 - _721Re_1tn2O_1tn7 (Ln=lanthanides or yttrium) [Elektronische Ressource] / von Thomas Hartmann

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72 pages
English

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Preparation, characterization and physicalproperties of new compounds in the systemLn O – ReO – ½ Re O2 3 2 2 7(Ln = lanthanides or yttrium)Vom Fachbereich Material- und Geowissenschaftender Technischen Universität DarmstadtzurErlangung des akademischen Grades einesDr.-Ing.genehmigte Dissertation vonDipl.-Ing. Thomas Hartmannaus SolingenReferent: Prof. Dr. H. FueßKoreferent: Prof. Dr. J. GalyTag der Einreichung: 16. Juni 2003Tag der mündlichen Prüfung: 16. Juli 2003Darmstadt 2004D17IndexINDEX 13GLOSSARY1 INTRODUCTION 42 THE SYSTEM Ln O –ReO –½ReO : LITERATURE REVIEW 52 3 2 2 72.1 Binary rhenium oxides in the system Ln O –ReO –½ReO 62 3 2 2 72.2 Ternary oxides in the system Ln O –ReO –½ReO 72 3 2 2 72.2.1 Rhenium(+7) 82.2.2 Rhenium(+6) 82.2.3 Rhenium in the formal oxidation state of +5.5 82.2.4 Rhenium(+5) 92.2.5 Rhenium in the formal oxidation state of +4.5 and +4 1/3 102.2.6 Rhenium(+4) 122.3 Previous experiments 142.3.1 (Ln Re ) O 140.81 0.19 3 5.642.3.2 Ln ReO 156 123 PREPARATION AND CHARACTERIZATION METHODS 184 Re IN THE FORMAL OXIDATION STATE +4.5: Ln Re O 215 2 124.1 Experimental 214.2 Structure solution 224.3 Results 234.4 High temperature experiments 304.5 Magnetic properties 32Index5 COMPOUNDS RELATED TO “Ln ReO ” 333 85.1 Syntheses, magnetic properties and preliminary investigations 345.2 Structural details of “Dy ReO ” 373 85.3 Structural details of new yttrium rhenium oxides 415.3.1 42Y ReO7 14-δ5.3.

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Publié le 01 janvier 2004
Nombre de lectures 7
Langue English
Poids de l'ouvrage 5 Mo

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