Theory of heusler and full-heusler compounds

Author: gktt

August undefined, 2024

WebbBoltzmann transport theory was used to investigate the thermoelectric performance of the materials in the temperature range of 100–900 K. ... S. M. Shinde, S. D. Gupta, S. Narayan and P. K. Jha, Investigation of full-Heusler compound Mn 2 MgGe for magnetism, spintronics and thermoelectric applications: DFT study, Comput. Condens. Webb1 nov. 2016 · In this introductory chapter we present a study of the basic electronic and magnetic properties of both Heusler families; the so-called semi-Heusler alloys like NiMnSb and the full-Heusler...

First-principles study on novel Fe-based quaternary Heusler alloys ...

Webb1 nov. 2014 · First principles study of a new half-metallic ferrimagnets Mn2-based full Heusler compounds: Mn2ZrSi and Mn2ZrGe A. Abada, K. Amara, S. Hiadsi, B. Amrani Materials Science 2015 69 Save Alert Origin of the half-metallic band-gap in newly designed quaternary Heusler compounds ZrVTiZ (Z = Al, Ga) Xiaotian Wang, Zhenxiang Cheng, +5 … Webbthe Heusler and full-Heusler compounds, since several among them have been shown to be half-metals. In this introductory chapter we present a study of the basic electronic and magnetic properties of both Heusler families; the so-called semi-Heusler alloys like NiMnSb and the full-Heusler alloys like Co2 MnGe (usual full-Heuslers), signs announcing cms survey

Heusler Compound - an overview ScienceDirect Topics

Webb31 aug. 2024 · There are two categories of Heusler alloys namely full Heusler (FH) and half Heusler (HH). FH compounds are represented with the chemical formula X 2 YZ and L2 1 crystal structure, while HH compounds are of C1 b crystal structure and XYZ chemical formula, where X and Y can be transition or rare-earth elements and Z is the main class … Webb15 jan. 2024 · In this work we report the results of ab-initio studies of structural, mechanical, electronic and magnetic properties of Co based Co 2 MnSi Heusler compound in stoichiometric composition. All of which are accurately calculated by the full-potential (FP-LMTO) program combined with the spin polarized generalized gradient … Webb8 juni 2024 · The proper understanding and comprehensive investigation of the crystal structure is necessary to unravel the structure-property dependence of Heusler compounds. It is a well-known fact that the Heusler structure is comprised of four interpenetrating face-centered cubic sublattice[4, 5]. the rain critica

Materials Special Issue : Heusler and Half-Heusler Compounds

Electronic structure, magnetism and disorder in the Heusler compound …

Webb11 apr. 2024 · It was suggested recently [Anand et al., Energy Env. Sci. 11 (2024) 1480] that single-phase half-Heusler compounds can be obtained from structurally unstable alloys having 19 valence electrons by introducing defects to adjust their valence electrons count to 18. In our work we extend this approach to Fe–V–Al and Fe–Ti–Sn full-Heusler … Webb18 sep. 2016 · Compared to alternative approaches, this Heusler discovery engine performs exceptionally well, making fast and reliable predictions of the occurrence of Heusler vs non-Heusler compounds for an arbitrary combination of elements with no structural input on over 400 000 candidates. signs a newborn is constipatedWebbBoth the full and half-Heusler compounds have been predicted as half-metallic. Recent experimental work has demonstrated that interfacial admixtures of the Heusler alloys with various insulators indeed occur and again reduce spin polarization across such interfaces. signs a newborn baby has down syndrome

"WebbHeusler alloys are theoretically predicted to become half-metals at room temperature (RT) and by employing these ferromagnetic alloy films in a spintronic device, efficient spin injection into a non-magnetic material and large magnetoresistance are also discussed. 74 PDF Thermoelectric response of quaternary Heusler compound CrVNbZn " - Theory of heusler and full-heusler compounds

Theory of heusler and full-heusler compounds

Phys. Rev. Applied 14, 024064 (2024) - Physical Review Applied

Webb1 nov. 2014 · Heusler alloy has two variants: full-Heusler alloy (molecular formula: X 2 YZ) which conventionally crystallizes in Cu 2 MnAl-type structure (L2 1 structure) and half-Heusler alloy (molecular... Webb20 apr. 2024 · Using the density functional theory (DFT) based on full-potential linearized augmented plane wave (FP-LAPW) method, we computed the structural, electronic, and elastic properties of Ru 2 CrAl Heusler alloy, with L2 1 cubic structure. We calculated the lattice constants, partial, and total spin magnetic moments within the general ...

Did you know?

WebbHeusler compounds are among the best known intermetallic compounds. The compositions of Heusler compounds are represented by the chemical formula XY 2 Z for full-Heusler compounds and XYZ for half-Heusler compounds, respectively, where X and Y are metals, and Z is a main group element. Stable Heusler compounds can form in many … Webb31 okt. 2024 · Special Issue Information. Dear Colleagues, The increasing interest in Heusler and half-Heusler compounds, since the first discovery of the 1 st Cu 2 MnAl Heusler compound by the German scientist Friedrich Heusler in 1903, passing 100,000 publications in 2024, with more than 1500 reported compounds, is due to their high …

WebbThe TaFeSb-based half-Heusler compounds were synthesized by two steps: ball milling and hot-pressed (HP) technique. The z T value of 1.52 at 973 K and an average zT value of ~ 0.93 over the temperature range of 300–973 … Webb26 okt. 2024 · Traditionally, Heusler compounds represent a class of ternary intermetallic solids having general formula X 2 YZ where X and Y are transition or noble metals whereas Z is a nonmagnetic sp element. They are referred to as full Heusler compounds/alloys to differentiate them from other group members.

Webb23 maj 2024 · Heusler compounds are intermetallics with intriguing magnetic properties 1, 2, 3. The term derives from the name of the German mining engineer and chemist, Friedrich Heusler, who studied such...

Webb11 maj 2024 · Recently, particular attention has been paid to half-Heusler (HH) compounds, due to their high-temperature stability, good mechanical robustness, and good TE performance, which are of paramount importance for practical applications. Typical semiconducting HH compounds with 18 valence electrons per unit cell, ZrCoSb, ...

Webb1 jan. 2016 · Investigation of the structural, electronic and magnetic properties of full-Heusler Co2VIn as well as half-Heusler CoVIn Cobalt based Heusler compounds using density functional theory (DFT) leads ... the raineys homestead rescueWebbBeginning in the year 1898 Heusler discovered as a series of ferromagnetic alloys, the most important containing copper, manganese, and aluminium. They are characterized by remarkable magnetic properties, because although composed only of paramagnetic or diamagnetic elements, they become ferro-magnetic after suitable heat treatment. the rain en streaming vfWebb21 aug. 2024 · High Thermoelectric Performance and Defect Energetics of Multipocketed Full Heusler Compounds Junsoo Park, Yi Xia, Alex M. Ganose, Anubhav Jain, and Vidvuds Ozoliņš Phys. Rev. Applied 14 , 024064 – Published 21 August 2024 the rainey institute cleveland ohioWebb28 juli 2024 · Heusler and half-Heusler compounds are ternary intermetallic compounds with highly tunable magnetic, topological, multiferroic, and electronic properties. They share a common crystal... the raines group chattanooga tnWebbThis book gives an overview of the physics of Heusler compounds ranging from fundamental properties of these alloys to their applications. Especially Heusler compounds as half-metallic ferromagnetic and topological insulators are important in condensed matter science due to their potential in magnetism and as materials for energy … thera in englishWebbwhich one of the 4 fcc sub-lattices of the full Heusler is empty. By lling this 4th sub-lattice a series of compounds can be formed between half and full Heuslers, which we can describe as XYZand X 2YZ, respectively, where X, Y are transition metal elements and Zis a main group element. The full Heusler compounds have several variants including signs an introverted friend likes youWebbHeusler compounds are the class of intermetallic materials with 1:1:1 (called Half-Heusler) and 2:1:1 (called full-Heusler) alloys comprising of more than 1000 combinations. The combination of half and full Heusler are given by XYZ and X2YZ respectively. the raineys