Single-crystal growth of the ternary BaFe2As2 phase using the vertical bridgman technique

Rei Morinaga; Kittiwit Matan; Hiroyuki S. Suzuki; Taku J. Sato

doi:10.1143/JJAP.48.013004

Single-crystal growth of the ternary BaFe₂As₂ phase using the vertical bridgman technique

Rei Morinaga
, Kittiwit Matan
, Hiroyuki S. Suzuki
, Taku J. Sato

University of Tokyo
Natl. Inst. for Materials Science

Research output: Contribution to journal › Article › peer-review

31 Citations (Scopus)

Abstract

Ternary Ba-Fe-As system has been studied to determine a primary solidification field of the BaFe₂As₂ phase. We found that the BaFe₂As₂ phase most likely melts congruently and primarily solidifies either in the FeAs excess or Ba_xAs _100-x excess liquid. Knowing the primary solidification field, we have performed the vertical Bridgman growth using the starting liquid composition of Ba₁₅Fe_42.5As_42.5. Large single crystals of the typical size 10 × 4 × 2 mm³ were obtained and their quality was confirmed by X-ray Laue and neutron diffraction.

Original language	English
Article number	013004
Journal	Japanese Journal of Applied Physics
Volume	48
Issue number	1
DOIs	https://doi.org/10.1143/JJAP.48.013004
Publication status	Published - 20 Jan 2009
Externally published	Yes

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abstract = "Ternary Ba-Fe-As system has been studied to determine a primary solidification field of the BaFe2As2 phase. We found that the BaFe2As2 phase most likely melts congruently and primarily solidifies either in the FeAs excess or BaxAs 100-x excess liquid. Knowing the primary solidification field, we have performed the vertical Bridgman growth using the starting liquid composition of Ba15Fe42.5As42.5. Large single crystals of the typical size 10 × 4 × 2 mm3 were obtained and their quality was confirmed by X-ray Laue and neutron diffraction.",

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AU - Matan, Kittiwit

AU - Suzuki, Hiroyuki S.

AU - Sato, Taku J.

PY - 2009/1/20

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N2 - Ternary Ba-Fe-As system has been studied to determine a primary solidification field of the BaFe2As2 phase. We found that the BaFe2As2 phase most likely melts congruently and primarily solidifies either in the FeAs excess or BaxAs 100-x excess liquid. Knowing the primary solidification field, we have performed the vertical Bridgman growth using the starting liquid composition of Ba15Fe42.5As42.5. Large single crystals of the typical size 10 × 4 × 2 mm3 were obtained and their quality was confirmed by X-ray Laue and neutron diffraction.

AB - Ternary Ba-Fe-As system has been studied to determine a primary solidification field of the BaFe2As2 phase. We found that the BaFe2As2 phase most likely melts congruently and primarily solidifies either in the FeAs excess or BaxAs 100-x excess liquid. Knowing the primary solidification field, we have performed the vertical Bridgman growth using the starting liquid composition of Ba15Fe42.5As42.5. Large single crystals of the typical size 10 × 4 × 2 mm3 were obtained and their quality was confirmed by X-ray Laue and neutron diffraction.

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ER -

Single-crystal growth of the ternary BaFe₂As₂ phase using the vertical bridgman technique

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