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Related papers: Stacking-fault energies for Ag, Cu, and Ni from em…

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Starting from a semi-empirical potential designed for Cu, we developed a series of potentials that provide essentially constant values of all significant (calculated) materials properties except for the intrinsic stacking fault energy,…

Materials Science · Physics 2015-06-11 Valery Borovikov , Mikhail I. Mendelev , Alexander H. King , Richard LeSar

The formation energy of the interface between face-centered cubic (fcc) and hexagonal close packed (hcp) structures is a key parameter in determining the stacking fault energy (SFE) of fcc metals and alloys using thermodynamic calculations.…

Materials Science · Physics 2016-08-24 Ruihuan Li , Song Lu , Dongyoo Kim , Stephan Schönecker , Jijun Zhao , Se Kyun Kwon , Levente Vitos

We study the effect of Stacking Fault Energy (SFE) on the deformation behaviour of copper and copper-aluminium alloys using Molecular Dynamics (MD) simulation. We find that both yield stress and the magnitude of stress drop at yield…

Materials Science · Physics 2017-08-07 G. Kamalakshi , Prachi Limaye , M. P. Gururajan , Prita Pant

In terms of the fully relativistic screened Korringa-Kohn-Rostoker method we investigate the effect of stacking faults on the magnetic properties of hexagonal close-packed cobalt. In particular, we consider the formation energy and the…

Materials Science · Physics 2013-04-05 C J Aas , L Szunyogh , R F L Evans , R W Chantrell

Based on state-of-the-art density-functional-theory methods we calculate the stacking-fault energy of the paramagnetic random Fe-22.5at.%Mn alloy between 300-800 K. We estimate magnetic thermal excitations by considering longitudinal…

Stacking fault energy dictates phase stability and deformation behavior in Co alloys and WC-Co cemented carbides, yet a quantitative assessment of alloying effects at finite temperatures remains poorly established. By integrating…

We use first-principles calculations based on density functional theory to determine and understand the driving force of the observed stacking fault expansion in SiC. We verify the suggestion based on recent experiments that the free energy…

Materials Science · Physics 2007-07-23 Tiju Thomas , Dhananjai Pandey , Umesh V. Waghmare

The generalized stacking fault (SFE) energy curves of pure gold (Au) and its binary alloys with transition metals are determined from density functional theory (DFT). Alloy elements Ag, Al, Cu, Ni, Ti, Zr, Zn, In, Ga, Sn, Mn, Cd, Sn, Ta and…

Stacking faults and other topological defects in ferroics can have a significant influence on the electronic and mechanical properties of the material. Here, regular stacking faults in the tetragonal tungsten bronze material…

Stacking fault energy (SFE) is of the most critical microstructure attribute for controlling the deformation mechanism and optimizing mechanical properties of austenitic steels, while there are no accurate and straightforward computational…

Materials Science · Physics 2020-09-15 Xin Wang , Wei Xiong

In general, with the addition of solutes, the yield strength of alloys is expected to increase and this phenomenon is known as solid solution strengthening. However, reports on the ``anomalous'' softening with alloying additions are not…

Materials Science · Physics 2021-06-15 G Kamalakshi , Prita Pant , M P Gururajan

We present ab-initio simulation of manganese, aluminum and carbon impurities in austenite and demonstrate their inhomogeneous distribution, which involves the repulsion of interstitial carbon atoms, the formation of bonded Mn-C pairs as…

Materials Science · Physics 2012-08-02 N. I. Medvedeva , M. S. Park , D. C. Van Aken , J. E. Medvedeva

Extended defects such as stacking faults and anti-site domain boundaries can perturb the band edges in Cu$_2$ZnSnS$_4$ and Cu$_2$ZnSnSe$_4$, acting as a weak electron barrier or a source for electron capture, respectively. In order to find…

Materials Science · Physics 2019-01-23 Ji-Sang Park , Sunghyun Kim , Aron Walsh

Stacking Fault Energy (SFE) is an intrinsic alloy property that governs much of the plastic deformation mechanisms observed in fcc alloys. While SFE has been recognized for many years as a key intrinsic mechanical property, its inference…

Utilizing spin-polarized scanning tunneling microscopy and spectroscopy, we found coexistence of perpendicularly and in-plane magnetized cobalt nanoscale islands on the Ag(111) surface, and the relationship between the moire corrugation…

Mesoscale and Nanoscale Physics · Physics 2015-09-30 Keiji Doi , Emi Minamitani , Shunji Yamamoto , Ryuichi Arafune , Yasuo Yoshida , Satoshi Watanabe , Yukio Hasegawa

Thermoelectric materials are of great interest for heat energy harvesting applications. One such promising material is TlGaSe$_{2}$, a p-type semiconducting ternary chalcogenide. Recent reports show it can be processed as a thin film,…

Plastic deformation and fracture of FCC metals involve the formation of stable or unstable stacking faults (SFs) on (111) plane. Examples include dislocation cross-slip and dislocation nucleation at interfaces and near crack tips. The…

Materials Science · Physics 2026-05-05 Yang Li , Yuri Mishin

We report high resolution x-ray diffraction measurements of (Ga,Mn)As and (Ga,Mn)(As,P) epilayers. We observe a structural anisotropy in the form of stacking faults which are present in the (111) and (11-1) planes and absent in the (-111)…

Materials Science · Physics 2015-05-20 M. Kopecky , J. Kub , F. Maca , J. Masek , O. Pacherova , B. L. Gallagher , R. P. Campion , V. Novak , T. Jungwirth

We performed molecular dynamics simulations to investigate the mechanical response of face-centered cubic (FCC) nickel under uniaxial compression and nanoindentation using traditional interatomic potentials, including the Embedded Atom…

Materials Science · Physics 2025-03-06 K. Cichocki , F. J. Dominguez-Gutierrez , L. Kurpaska , K. Muszka

We introduce and classify nonequivalent commensurate stackings for bilayer dice or $\mathcal{T}_3$ lattice. For each of the four stackings with vertical alignment of sites in two layers, a tight-binding model and an effective model…

Mesoscale and Nanoscale Physics · Physics 2023-09-06 P. O. Sukhachov , D. O. Oriekhov , E. V. Gorbar
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