Ferrimagnetic-Paramagnetic Phase Transition in BaFe11.7In0.3O19 Compound

Agayev, F. G.; Jabarov, S. H.; Ayyubova, G. Sh.; Труханов, А.В.; Труханов, С.В.; Mirzayev, M. N.; Naghiyev, T. G.; Dang, N. T.

doi:10.1007/s10948-020-05544-9

Cited by 37 publications

(9 citation statements)

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“…In addition, TA techniques that incorporate an applied magnetic field are also being considered, as they combine magnetic field and TA. Calvet micro-calorimeter (HT-1000) [145] T N = 687 K (414 °C) [135] SmFeO 3 Calvet micro-calorimeter [145] T N = 673 K (400 °C) [136] 5 F e 3 O 4 Self-made calorimeter-sample assembly [137] T C = 848 K (575 °C) [ T N = 857.9 K (584.9 °C) [145] 6 Z n 0.95 Mn 0.05 O (N 2 doped) Thin film micro-calorimeter [82] T C = 80 K (À203 °C) [108] 'λ' (Lambda) transitions (second-order) Sm 3 Fe 5 O 12 Calvet micro-calorimeter [145] T C = 560 K (287 °C) [ Calvet micro-calorimeter [145] T C = 560 K (287 °C) [137] YFeO Gouy's method is a classic experimental technique used to determine the magnetic susceptibility of materials. [42] In 1889, Gouy obtained an algebraic equation demonstrating that force is proportional to the volume susceptibility (of material) in a uniform magnetic field.…”

Section: Various Techniques For the Identification Of Curie And Néel ...mentioning

confidence: 99%

“…Although experiments were performed to determine Curie transitions (T C ) using various methods, no comments were made on the order of transition. [63,67,[77][78][79]81,82] Normal DSC (i.e., without any magnetic field) failed to register the Curie transitions for ferromagnetic materials, [77,79,83] whereas for ferrimagnetic materials, normal DSC picked the Curie transitions. [78,79,82]…”

Section: Magnetic Susceptibility Measurementsmentioning

confidence: 99%

“…[63,67,[77][78][79]81,82] Normal DSC (i.e., without any magnetic field) failed to register the Curie transitions for ferromagnetic materials, [77,79,83] whereas for ferrimagnetic materials, normal DSC picked the Curie transitions. [78,79,82]…”

Section: Magnetic Susceptibility Measurementsmentioning

confidence: 99%

“…Two Curie transitions were observed at 594 K (321 °C) and 742 K (469 °C) corresponding to nickel and Co 3 B, substantiating well with DSC (with a 10 °C min −1 heating rate in pure N 2 ) results (as shown in Figure 8b). Agayev et al [ 82 ] examined the magnetic properties of indium (In x )‐doped BaFe 12− x O 19 (x = 0.3) using DSC and VSM. DSC measurements were performed from 300 to 1200 K (27–927 °C), and VSM measurements were taken from 303 to 773 K (30–500 °C) at 0.86 T. The Curie transition in In x ‐doped BaFe 12− x O 19 at ≈683 K (410 °C) was determined using an inflection point from M vs. T curve together with a sharp transition in DSC (as shown in Figure 8c,d, respectively).…”

Section: Concerns With the Curie Transition Events In Ferromagnetic A...mentioning

confidence: 99%

“…Adapted with permission [67]. Copyright 2004, Elsevier; c) M vs. T curve of BaFe 11.7 In 0.3 O 19 showing an inflection point at 683 K (410 °C)[82] ; d) DSC of BaFe 11.7 In 0.3 O 19 showing a sharp Curie transition at 683 K (410 °C). (c) and (d) Adapted with permission [82].…”

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Characterizing Curie and Néel Point Phase Transitions via Thermal Techniques

Reddy

Lakshya

Raj

et al. 2023

Physica Status Solidi (b)

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Various magnetic materials (for example, ferro, ferri, antiferromagnetic) are characterized by their respective transition temperatures (for example, Curie and Néel transitions). Knowledge of these transition temperatures is vital from an application standpoint. Accurate measurements by suitable characterization techniques are needed for identifying these transitions. Several techniques have been used to identify Curie and Néel transition temperatures, with thermal methods being one of the preferred choice. These thermal methods include differential scanning calorimetry (DSC), differential thermal analysis, and thermogravimetric analysis. Although thermal analysis tools have been popularly used for examining magnetic phase transitions, still much confusion exists on their efficacy and might. This review article highlights the strength and limitations of measuring Curie and Néel transitions by thermal techniques; measurements by DSC were the most common choice in previous works. Considering the intrinsic/fundamental nature of these Curie/Néel transitions, such confusion on their measurements (by thermal techniques) and their subsequent analysis (for the order of transition) suggests that a more comprehensive understanding of the events should be an immediate future goal for the research community, at large.

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Section: Various Techniques For the Identification Of Curie And Néel ...mentioning

confidence: 99%

Section: Magnetic Susceptibility Measurementsmentioning

confidence: 99%

Section: Magnetic Susceptibility Measurementsmentioning

confidence: 99%

Section: Concerns With the Curie Transition Events In Ferromagnetic A...mentioning

confidence: 99%

mentioning

confidence: 99%

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Characterizing Curie and Néel Point Phase Transitions via Thermal Techniques

Reddy

Lakshya

Raj

et al. 2023

Physica Status Solidi (b)

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Fabrication and Characterization of Nickel‐Aluminide Cladding by Dual‐Wire Arc Additive Manufacturing

Samadi,

Jamshidi Aval

2024

Adv Eng Mater

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Nickel aluminide is a widely utilized intermetallic compound, prized for its high strength, low density, and resistance to both corrosion and creep. This study investigates the impact of heat input during the fabrication of nickel‐aluminide intermetallic compounds using the dual‐wire gas tungsten arc welding (GTAW) process. The results indicate that an increase in clad layer dilution from 28.9% to 33.4% reduces the amount of aluminum in the molten pool from 32.46 wt.% to 21.96 wt.%, while increasing the presence of the Ni3Al phase. Additionally, the NiAl phase decreases when moving from the upper side of the coating to the fusion line. When the arc current is increased from 110 A to 150 A, a coarse dendritic structure forms, and the dendritic arms increase from 2.6±0.4 µm to 5.5±0.3 µm. This increase in current also results in yield strength and tensile strength values of 500.21±14.56 MPa and 752.32±25.12 MPa, respectively, representing decreases of 15.2% and 5.1%. Furthermore, as the arc current increases from 110 A to 150 A, both the friction coefficient and the wear rate increase to 0.43 and 0.29±0.02 µg/m, respectively. However, corrosion resistance improves by 66.3%.This article is protected by copyright. All rights reserved.

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