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  • Phase diagram of the iron arsenide superconductors Ca(Fe 1− x Co x ) 2 As 2 ( 0 ⩽ x ⩽ 0.2) 
    HARNAGEA, LUMINITA; SINGH, S.; Friemel, G.; Leps, N.; Bombor, D.; Abdel-Hafiez, M.; Wolter, A. U. B.; Hess, C.; Klingeler, R.; Behr, G.; Wurmehl, S.; Buchner, B. (American Physical Society, 2011-03)
    Plateletlike single crystals of the Ca(Fe 1 − x Co x ) 2 As 2 series having lateral dimensions up to 15 mm and thicknesses up to 0.5 mm were obtained from the high-temperature solution-growth technique using Sn flux. Upon ...
  • Calorimetric study of the superconducting and normal state properties of Ca(Fe1−xCox)2As2 
    Abdel-Hafiez, M.; Harnagea, L.; SINGH, S.; Stockert, U.; Wurmehl, S.; Leps, N.; Klingeler, R.; Wolter, A U.B.; Büchner, B. (IOP Publishing, 2012-09)
    We present a calorimetric study on single crystals of Ca(Fe1−xCox)2As2 (x = 0, 0.032, 0.051, 0.056, 0.063, and 0.146). The combined first order spin-density wave/structural transition occurs in the parent CaFe2As2 compound ...
  • Magnetic properties of high-pressure optical floating-zone grown LaNiO3 single crystals 
    Dey, Kaustav; Hergett, Waldemar; TELANG, PRACHI; Abdel-Hafiez, M.; Klingeler, R. (Elsevier B.V., 2019-10)
    Macroscopic cm-sized single crystals of distorted perovskite LaNiO3 have been grown by means of the optical floating-zone method at oxygen pressures of 40 and 80 bar, respectively. Depending on the growth parameters, the ...
  • Magnetic phase diagram and magnetoelastic coupling of NiTiO3 
    Dey, K.; Sauerland, S.; Werner, J.; Skourski, Y.; Abdel-Hafiez, M.; BAG, R.; SINGH, SURJEET; Klingeler, R. (American Physical Society, 2020-05)
    We report high-resolution dilatometry on high-quality single crystals of NiTiO3 grown by means of the optical floating-zone technique. The anisotropic magnetic phase diagram is constructed from thermal expansion and ...

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