57Fe Mössbauer spectroscopy and magnetic study of Al13Fe4

Albedah, Mohammed A.; Nejadsattari, Farshad; Stadnik, Z. M.; Przewoźnik, J.

doi:10.1016/j.jallcom.2014.08.225

Cited by 21 publications

(13 citation statements)

References 32 publications

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“…Figure 4 shows the temperature dependence of QS obtained from the fits of the TMS spectra. Similar temperature dependence of QS were observed in many metallic systems and it could be well described by the empirical equation [10,11]:…”

Section: (1066)supporting

confidence: 72%

Physical Properties of Superconducting V_0.98⁵⁷Fe_0.02 Alloy Studied by TMS and SQUID Magnetometer

Idczak

Tran

2018

Acta Phys. Pol. A

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A sample of vanadium with 2 at.% of 57 Fe was prepared by the arc-melting technique, annealed in a vacuum at 1270 K for 2 h and measured by 57 Fe transmission Mössbauer spectroscopy in the temperature range 1.4 K-300 K as well as using SQUID magnetometer in the temperature range 1.8 K-300 K. The magnetic data showed that the V0.98 57 Fe0.02 alloy is a type-II superconductor with transition temperature Tc = 3.7 K and upper critical magnetic field Hc2 close to 4.8 kOe at 1.8 K. The observed Mössbauer spectra consist of one doublet with small quadrupole splitting over the whole temperature range studied. The weighted average of the two Debye temperature values from temperature dependence of the isomer shift and the total spectral was estimated to be approximately 602(90) K for 57 Fe. Abnormal behaviour of the hyperfine parameters at or near Tc was not observed.

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Section: (1066)supporting

confidence: 72%

Physical Properties of Superconducting V_0.98⁵⁷Fe_0.02 Alloy Studied by TMS and SQUID Magnetometer

Idczak

Tran

2018

Acta Phys. Pol. A

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“…Mӧssbauer spectrum of Al 93 Fe 4 Nb 3 alloy annealed at 653 K show the structural changes and it is formed by single double component with IS=0.46 mm s −1 and Δ=0.32 mm s −1 . Accordingly to XRD data this component corresponded to Al 6 Fe phase, in which Fe atoms have a unique close atomic order with ten nearest neighbors [23]. The unique type of Fe atoms close order corresponding to Al 6 Fe phase was observed for Al 90 Fe 7 Nb 3 alloy annealed at 653 K too ( figure 6(a)).…”

Section: Resultsmentioning

confidence: 69%

“…It was observed early, that Al-Fe-Nb alloys, obtained by melt-spinning method, reveal the quascrystalline ordering, in which icosahedral Al-Fe-Nb-containing nanoparticles are embedded in Al matrix [22]. The stabiliting of icosahedral structure at the presence of TM was predicted with using the geometrical model [23]. The energy of icosahedral clusters increase with its growth due to space frustration effect and mismatching increasing between fcc-and ico-ordered clusters.…”

Section: Resultsmentioning

confidence: 99%

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Thermally induced phase transformations of Al₉₃Fe₄Nb₃ and A_l90Fe₇Nb₃ quenched alloys

Shved

Mudry

Kotsyubynsky

et al. 2020

Mater. Res. Express

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Al-based rapidly quenched alloys of composition Al 90 Fe 7 Nb 3 and Al 93 Fe 4 Nb 3 were studied by Mӧssbauer spectroscopy, X-ray powder diffraction and differential scanning calorimetry methods. The occurrence of thermally induced phase transformations has been established. It is shown that both ribbons reveal the structure in which Fe-atoms have an aluminum ones neighbors both in amorphous and annealed up to 653 K that corresponds to the atomic arrangement in Al 6 Fe metastable phase. At higher than 709.6 K annealing temperatures the structural transformations of this phase into mix of stable Al 13 Fe 4 compound and aluminium were observed and at 893 K these transformations were completed.

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“…It can be inferred that the number of electrons in the 3D orbitals of transition metals critically influences the substitution position. It has been reported that the contribution of Fe in different positions at the Fermi level is different, which is related to the difference in the coordination number [44][45][46]. The inter-atomic bonding process is exothermic [47].…”

Section: Formation Enthalpy Of Al 13 Fe 4 Phasementioning

confidence: 99%

Influence of Cr, Mn, Co and Ni Addition on Crystallization Behavior of Al13Fe4 Phase in Al-5Fe Alloys Based on ThermoDynamic Calculations

Pang¹,

Shi²,

Wang³

et al. 2021

Materials

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Alloying is an effective method to refine coarse grains of an Al13Fe4 phase and strengthen Al-Fe alloys. However, the grain refinement mechanism remains unclear in terms of the thermodynamics. Herein, the influence of M-element, i.e., Cr, Mn, Co and Ni, addition on the activity of Al and Fe atoms, Gibbs free energy of the Al13Fe4 nucleus in Al-Fe melt and the formation enthalpy of an Al13Fe4 phase in Al-Fe alloys is systematically investigated using the extended Miedema model, Wilson equation, and first-principle calculations, respectively. The results reveal that the addition of different M elements increases the activity of Fe atoms and reduces the Gibbs free energy of the Al13Fe4 nucleus in Al-Fe melt, where the incorporation of Ni renders the most obvious effect, followed by Mn, Co, and Cr. Additionally, the formation enthalpy decreases in the following order: Al78(Fe23Cr) > Al78(Fe23Mn) > Al13Fe4 > Al78(Fe23Ni) > Al78(Fe23Co), where the formation enthalpy of Al78(Fe23Ni) is close to Al78(Fe23Co). Moreover, the presence of Ni promotes the nucleation of the Al13Fe4 phase in Al-Fe alloys, which reveals the mechanism of grain refinement from a thermodynamics viewpoint.

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57Fe Mössbauer spectroscopy and magnetic study of Al13Fe4

Cited by 21 publications

References 32 publications

Physical Properties of Superconducting V_0.98⁵⁷Fe_0.02 Alloy Studied by TMS and SQUID Magnetometer

Physical Properties of Superconducting V_0.98⁵⁷Fe_0.02 Alloy Studied by TMS and SQUID Magnetometer

Thermally induced phase transformations of Al₉₃Fe₄Nb₃ and A_l90Fe₇Nb₃ quenched alloys

Influence of Cr, Mn, Co and Ni Addition on Crystallization Behavior of Al13Fe4 Phase in Al-5Fe Alloys Based on ThermoDynamic Calculations

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57Fe Mössbauer spectroscopy and magnetic study of Al13Fe4

Cited by 21 publications

References 32 publications

Physical Properties of Superconducting V0.9857Fe0.02 Alloy Studied by TMS and SQUID Magnetometer

Physical Properties of Superconducting V0.9857Fe0.02 Alloy Studied by TMS and SQUID Magnetometer

Thermally induced phase transformations of Al93Fe4Nb3 and Al90Fe7Nb3 quenched alloys

Influence of Cr, Mn, Co and Ni Addition on Crystallization Behavior of Al13Fe4 Phase in Al-5Fe Alloys Based on ThermoDynamic Calculations

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Physical Properties of Superconducting V_0.98⁵⁷Fe_0.02 Alloy Studied by TMS and SQUID Magnetometer

Physical Properties of Superconducting V_0.98⁵⁷Fe_0.02 Alloy Studied by TMS and SQUID Magnetometer

Thermally induced phase transformations of Al₉₃Fe₄Nb₃ and A_l90Fe₇Nb₃ quenched alloys