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Synchrotron X-ray diffraction studies of LiMn2O4 and Li4Mn5O12 structures at high pressure

In English

Författare

  • P. Piszora
  • W. Nowicki
  • J. Darul
  • B. Bojanowski
  • Stefan Carlson
  • Y. Cerenius

Summary, in English

Experimental study of the phase transition in the lithium-excess lithium-manganese spinel over the pressure range 0-13 GPa has shown its suppression. This observation implies that the Li/Mn ratio, associated with the manganese oxidation state, plays an important role in the high-pressure phase transformation of the lithium-manganese spinels. As indicated by the results, the occupation of the octahedral sites with Li+ and Mn4+ ions stabilizes the crystallographic structure of this cubic spinel even at a high pressure. (C) 2009 Elsevier Ltd. All rights reserved.

Publiceringsår

2009

Språk

Engelska

Sidor

89-92

Publikation/Tidskrift/Serie

Radiation Physics and Chemistry

Volym

78

Dokumenttyp

Konferensbidrag

Förlag

Elsevier

Ämne

  • Natural Sciences
  • Physical Sciences

Nyckelord

  • Jahn-Teller effect
  • diffraction
  • X-ray
  • Phase transition
  • Spinel
  • High pressure
  • Lithium-manganese oxide
  • LiMn2O4
  • Li1.33Mn1.67O4

Conference name

9th International School and Symposium on Synchrotron Radiation in Natural Science (ISSRNS-9)

Conference date

2008-06-15 - 2008-06-20

Conference place

Ameliowka, Poland

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0969-806X