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Related papers: A Step Forward from High-Entropy Ceramics to Compo…

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A general method is presented for modeling high entropy alloys as ensembles of randomly sampled, ordered configurations on a given lattice. Statistical mechanics is applied post hoc to derive the ensemble properties as a function of…

Materials Science · Physics 2022-11-24 Andrew Novick , Quan Nguyen , Roman Garnett , Eric Toberer , Vladan Stevanović

High-entropy alloys (HEA) form solid solutions with large chemical disorder and excellent mechanical properties. We investigate the origin of HEA strengthening in face-centered cubic (FCC) single-phase HEAs through molecular dynamics…

Materials Science · Physics 2025-01-08 A. Esfandiarpour , S. Papanikolaou , M. Alava

The development of oxidation-resistant high-entropy alloy (HEA) bond coats is restricted by the limited understanding of how multi-principal element interactions govern scale formation across temperatures. This study uncovers new oxidation…

Materials Science · Physics 2025-12-18 Dennis Boakye , Chuang Deng

In high-entropy alloys (HEAs), the local chemical fluctuations from disordered solute solution state into segregation, precipitation and ordering configurations are complex due to the large number of elements. In this work, the cluster…

Materials Science · Physics 2017-05-05 A. Fernandez-Caballero , J. S. Wrobel , P. M. Mummery , D. Nguyen-Manh

The holographic entropy cone (HEC) characterizes the entanglement structure of quantum states which admit geometric bulk duals in holography. Due to its intrinsic complexity, to date it has only been possible to completely characterize the…

Quantum Physics · Physics 2024-09-09 Matteo Fadel , Sergio Hernández-Cuenca

High-entropy nanomaterials have been arousing considerable interest in recent years due to their huge composition space, unique microstructure, and adjustable properties. Previous studies focused mainly on high-entropy nanoparticles, while…

Materials Science · Physics 2019-11-18 Da Liu , Honghua Liu , Shanshan Ning , Yanhui Chu

Identifying single phase, high-entropy systems has been a prominent research focus of materials engineering over the past decade. The considerable effort in computational modeling and experimental verification has yielded several methods…

Materials Science · Physics 2024-09-02 Kevin Kaufmann , Haoren Wang , Jaskaran Saini , Kenneth S. Vecchio

High entropy alloys (HEAs) represent a novel frontier in metallurgical advancements, offering exceptional mechanical properties owing to their unique multicomponent nature. This study explores a novel strategy utilising commodity powders -…

Materials Science · Physics 2024-07-04 A. Meza , A. Barbosa , E. Tabares , J. M. Torralba

The holographic entropy cone (HEC) is a polyhedral cone first introduced in the study of a class of quantum entropy inequalities. It admits a graph-theoretic description in terms of minimum cuts in weighted graphs, a characterization which…

Combinatorics · Mathematics 2023-01-10 David Avis , Sergio Hernández-Cuenca

High-entropy alloys have shown much interest and unusual materials properties. The stability of equimolar single-phase solid solution of five or more elements is likely to be rare and identifying the existence of such alloys has been very…

Multi-Principal Element Alloys (MPEAs) have emerged as an exciting area of research in materials science in the 2020s, owing to the vast potential for discovering alloys with unique and tailored properties enabled by the combinations of…

Materials Science · Physics 2024-08-15 Brent Vela , Trevor Hastings , Raymundo Arróyave

The presence of two components in the electron fluid of high temperature superconductors and the complex charge and lattice inhomogeneity have been the hot topics of the international conference of the superstripes series, Superstripes…

Superconductivity · Physics 2017-01-04 A. Bianconi

High entropy materials, which include high entropy alloys, carbides, and borides, are a topic of substantial research interest due to the possibility of a large number of new material compositions that could fill gaps in application needs.…

Materials Science · Physics 2020-07-16 Lavina Backman , Joshua Gild , Jian Luo , Elizabeth J. Opila

Recently, high-entropy alloys (HEAs) have attracted wide attention due to their extraordinary materials properties. A main challenge in identifying new HEAs is the lack of efficient approaches for exploring their huge compositional space.…

Materials Science · Physics 2019-05-07 Tatiana Kostiuchenko , Fritz Körmann , Jörg Neugebauer , Alexander Shapeev

In the electronic packaging and energy storage sectors, the study of Cu6Sn5 intermetallic compound (IMC) is getting more attention. At temperatures above 186 oC, this IMC exists in a hexagonal closed packed (HCP) crystalline structure.…

Materials Science · Physics 2023-05-31 Anil Kunwar , Haoran Ma , Johan Hektor

High Entropy Alloys (HEAs) are designed by mixing multiple metallic species in nearly the same amount to obtain crystalline or amorphous materials with exceptional mechanical properties. Here we use molecular dynamics simulations to…

Disordered Systems and Neural Networks · Physics 2023-03-17 Silvia Bonfanti , Roberto Guerra , Rene Alvarez-Donado , Pawel Sobkowicz , Stefano Zapperi , Mikko Alava

High entropy alloys (HEAs) are multicomponent compounds whose high configurational entropy allows them to solidify into a single phase, with a simple crystal lattice structure. Some HEA's exhibit desirable properties, such as high specific…

Materials Science · Physics 2017-06-29 Rui Feng , Peter K. Liaw , Michael C. Gao , Michael Widom

High-entropy alloys (HEAs) are a new class of materials constructed from multiple principal elements statistically arranged on simple crystallographic lattices. Due to the large amount of disorder present, they are excellent model systems…

Superconductivity · Physics 2018-03-28 Fabian O. von Rohr , Robert J. Cava

At high pressure, the typical behavior of elements dictated by the periodic table - including oxidation numbers, stoichiometries in compounds, and reactivity, to name but a few - is altered dramatically. As pressure is applied, the…

Materials Science · Physics 2022-05-11 Katerina P. Hilleke , Tiange Bi , Eva Zurek

Compositionally complex materials (CCMs) present a potential paradigm shift in the design of magnetic materials. These alloys exhibit long-range structural order coupled with limited or no chemical order. As a result, extreme local…

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