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Flux growth of SrTaO crystals and subsequent nitridation to form SrTaON crystals

CrystEngComm, ISSN: 1466-8033, Vol: 15, Issue: 40, Page: 8133-8138
2013
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Metrics Details

  • Citations
    34
    • Citation Indexes
      34
  • Captures
    29

Article Description

Highly crystalline, idiomorphic SrTaO and SrTaON crystals were successfully grown by a SrCl flux cooling method and followed by a nitriding treatment using NH gas, respectively. The flux-grown SrTaO crystals had a columnar structure with flat and well-developed {010}, {061}, and {150} faces. The lattice parameters of the SrTaO crystals were determined to be a = 0.398, b = 2.716, and c = 0.570 nm. The TEM images indicated that the flux-grown SrTa O crystals had a mature columnar structure with high crystallinity. The shapes and sizes of the SrTaON crystals were in good agreement with the original SrTaO crystals, and they consisted of numerous small crystals with approximate dimensions of 50 nm and high crystallinity. The lattice parameters of the SrTaON crystals were a = 0.570 and c = 0.809 nm. The optical absorption edges of the SrTaO and SrTaO N crystals were approximately 275 and 600 nm, respectively, and the band gaps were estimated to be located at 4.5 and 2.1 eV, respectively. © 2013 The Royal Society of Chemistry.

Bibliographic Details

Yusuke Mizuno; Hajime Wagata; Nobuyuki Zettsu; Shuji Oishi; Katsuya Teshima; Kunio Yubuta

Royal Society of Chemistry (RSC)

Chemistry; Materials Science; Physics and Astronomy

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