Al15Ge4Ni3: A new intergrowth structure with Cu3Au- and CaF2-type building blocks

Reichmann, Thomas L.; Jandl, Isabella; Effenberger, H.; Herzig, Peter; Richter, Klaus W.

doi:10.1016/j.jssc.2014.12.020

Cited by 5 publications

(1 citation statement)

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“…The existence of five ternary phases in the AlÀ Ni-Ge system has been pointed out in. [11] Experimental thermodynamic studies of the AlÀ Ge-Ni system [12] show that the enthalpies of mixing in the liquid state have significant negative values. The extreme region of these enthalpies is located on the line from Al 30 Ge 21 Ni 49 (ΔH max = 47 kJ/mole) to Al 50 Ni 50 (ΔH max = À 52.7 kJ/ mol).…”

Section: Introductionmentioning

confidence: 99%

Formation of the Short‐Range Order in Liquid Al−Ni−Sn Alloys

et al. 2023

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Short-range order (SRO) in the liquid AlÀ NiÀ Sn alloys has been investigated using the X-ray diffraction method and Reverse Monte Carlo simulations. Obtained results point out a microinhomogeneous structure of AlÀ SnÀ Ni melts with Sn content between 10 and 65 at.% due to the presence of atomic clusters with the structure of liquid Sn and atomic clusters with NiÀ Sn coordination. The influence of the atomic size ratio (size factor) and pair atomic interactions (energy factor) on the short-range order of the investigated ternary melts are discussed. There is a competition between Al and Sn atoms in the formation of the SRO around Ni atoms due to the difference in bond energy in NiÀ Al and NiÀ Sn pairs. This competition, as well as a bigger radius of Sn atoms, results in the formation of atomic clusters with liquid Sn-like local atomic structure.

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Section: Introductionmentioning

confidence: 99%

Formation of the Short‐Range Order in Liquid Al−Ni−Sn Alloys

et al. 2023

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ChemInform Abstract: Al₁₅Ge₄Ni₃: A New Intergrowth Structure with Cu₃Au‐ and CaF₂‐Type Building Blocks.

et al. 2015

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Blocks. -The new title compound is prepared by arc melting of the elements followed by annealing (alumina crucible in evacuated silica tube, 430 C, 28 d). Al 15Ge4Ni3 crystallizes in the cubic space group I43m with Z = 4 (single crystal XRD) and shows a three-dimensional network of CsF 2-type units, formed by Ni and Al atoms, which is interspaced by {Al 6Ge8} clusters resembling unit cells of the Cu3Au-type. Both structural motifs are connected by Al-Ge bonds. -(REICHMANN, T. L.; JANDL, I.; EFFENBERGER, H. S.; HERZIG, P.; RICHTER*, K. W.; J. Solid State Chem. 225 (2015) 240-248, http://dx.

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Thermodynamic description of the Al–Ge–Ni system over the whole composition and temperature ranges

Zhou

Cui

Guo

et al. 2017

Calphad

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Al15Ge4Ni3: A new intergrowth structure with Cu3Au- and CaF2-type building blocks

Cited by 5 publications

References 34 publications

Formation of the Short‐Range Order in Liquid Al−Ni−Sn Alloys

Formation of the Short‐Range Order in Liquid Al−Ni−Sn Alloys

ChemInform Abstract: Al₁₅Ge₄Ni₃: A New Intergrowth Structure with Cu₃Au‐ and CaF₂‐Type Building Blocks.

Thermodynamic description of the Al–Ge–Ni system over the whole composition and temperature ranges

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Al15Ge4Ni3: A new intergrowth structure with Cu3Au- and CaF2-type building blocks

Cited by 5 publications

References 34 publications

Formation of the Short‐Range Order in Liquid Al−Ni−Sn Alloys

Formation of the Short‐Range Order in Liquid Al−Ni−Sn Alloys

ChemInform Abstract: Al15Ge4Ni3: A New Intergrowth Structure with Cu3Au‐ and CaF2‐Type Building Blocks.

Thermodynamic description of the Al–Ge–Ni system over the whole composition and temperature ranges

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About

ChemInform Abstract: Al₁₅Ge₄Ni₃: A New Intergrowth Structure with Cu₃Au‐ and CaF₂‐Type Building Blocks.