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Autor:
Björn Anke, Christian Lorent, Theresa Block, Oliver Janka, Martin Lerch, Rainer Pöttgen, Sophie Hund
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 643:1824-1830
Pyrochlore-type Eu2Ta2(O,N)7+δ phases were prepared by reaction of ammonia with an amorphous europium tantalum oxide precursor. 151Eu Mossbauer and EPR spectroscopy as well as magnetic susceptibility measurements point to the presence of exclusively