Tuning the orbital-lattice fluctuations in the mixed spin-dimer system Ba3−xSrxCr2O8

In A3Cr2O8, where A = Sr or Ba, the Cr5+ ions surrounded by oxygen ions in a tetrahedral coordination are Jahn-Teller active. The Jahn-Teller distortion leads to a structural transition and a related emergence of three twinned monoclinic domains below the structural phase transition. This transition...

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Veröffentlicht in:	Physical review. B 2018-10, Vol.98 (14), p.144115
Hauptverfasser:	Gazizulina, Alsu, Quintero-Castro, Diana Lucia, Wulferding, Dirk, Teyssier, Jeremie, Prokes, Karel, Yokaichiya, Fabiano, Schilling, Andreas
Format:	Artikel
Sprache:	eng
Schlagworte:	Barium Dimers Domains Jahn-Teller effect Neutron diffraction Oxygen ions Phase transitions Raman spectra Spin exchange Strontium Unit cell Variation
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