Wednesday, May 27, 2015

Flux growth and characterization of Sr2NiWO6 single crystals


In our manuscript, we report on the growth of high quality Sr2NiWO6 single crystals.
Our single crystals enabled us to do the first magnetization measurements of Sr2NiWO6 along different crystallographic directions.
The key point is to use a synthesis route for the polycrystalline precursors that differs from previous reports.


Single crystals of the double perovskite Sr2NiWO6 were synthesized via SrCl2 flux growth using high quality, phase-pure polycrystalline Sr2NiWO6 as precursor material. This high quality precursor enabled us to grow large and phase pure crystals with sizes up to 1 mm ×1 mm in the basal plane and octahedral morphology. We measured the temperature dependence of the magnetization along the c-axis and along the ab plane. The analysis of the data allows a precise determination of the effective magnetic moment and the Curie–Weiss temperature. Sr2NiWO6 orders antiferromagnetically at TN=54 K as revealed by magnetization and specific heat data.


  • A1. Characterization
  • A1. Crystal structure
  • A2. Growth from solutions
  • A2. Single crystal growth
  • B2. Perovskites
  • B2. Magnetic materials


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