X-ray study of Nd0.5Sr0.5MnO3 manganite structure above and below the ferromagnetic metal-antiferromagnetic insulator spontaneous phase transition

V Eremenko, S Gnatchenko, N Makedonska, Y Shabakayeva, M Shvedun, V Sirenko, J Fink-Finowicki, K V Kamenev, G Balakrishnan, D M Paul

Research output: Contribution to journalArticlepeer-review

Abstract

The crystal structure of the manganite Nd0.5Sr0.5MnO3 is studied at temperature T=300 and 77.3 K by means of an x-ray diffractometer. It is shown that the transition from the ferromagnetic metallic state to the antiferromagnetic insulating charge-ordered state is accompanied by a lowering of the symmetry of the structure from orthorhombic to monoclinic. The space-group symmetry of the orthorhombic and monoclinic phases is identified as Imma and P2(1)/m, respectively. Twinning of the crystal and the formation of a twin domain structure with coherent boundaries in the (00l) crystallographic planes are found. (C) 2001 American Institute of Physics.

Original languageEnglish
Pages (from-to)930-934
Number of pages5
JournalLow temperature physics
Volume27
Issue number11
Publication statusPublished - Nov 2001

Keywords

  • MAGNETIC-FIELD
  • ND1-XSRXMNO3

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