Challenging the Prediction of Anionogenic Ferromagnetism for Rb4O6

Challenging the Prediction of Anionogenic Ferromagnetism for Rb4O6

It has been suggested that Rb4O6 should be a half-metallic ferromagnet with the magnetic moment carried by the hyperoxide anions and a Curie temperature above room temperature. In the present work, magnetic measurements are presented that were performed to investigate this prediction. These measurem...

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Veröffentlicht in:Journal of the American Chemical Society 2007-06, Vol.129 (22), p.6990-6991
Hauptverfasser: Winterlik, Jürgen, Fecher, Gerhard H, Felser, Claudia, Mühle, Claus, Jansen, Martin
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container_issue 22
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container_title Journal of the American Chemical Society
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creator Winterlik, Jürgen
Fecher, Gerhard H
Felser, Claudia
Mühle, Claus
Jansen, Martin
description It has been suggested that Rb4O6 should be a half-metallic ferromagnet with the magnetic moment carried by the hyperoxide anions and a Curie temperature above room temperature. In the present work, magnetic measurements are presented that were performed to investigate this prediction. These measurements provide strong evidence that Rb4O6 is a magnetically frustrated system with a magnetic transition temperature of below 10 K.
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title Challenging the Prediction of Anionogenic Ferromagnetism for Rb4O6
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