Journal ArticleDOI
A new class of high-entropy perovskite oxides
Sicong Jiang,Tao Hu,Joshua Gild,Naixie Zhou,Jiuyuan Nie,Mingde Qin,Tyler Harrington,Kenneth S. Vecchio,Jian Luo +8 more
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TLDR
In this paper, a new class of high-entropy perovskite oxides (i.e., multiple-cation solid solutions with high configurational entropies) has been synthesized.About:
This article is published in Scripta Materialia.The article was published on 2018-01-01. It has received 494 citations till now. The article focuses on the topics: Perovskite (structure).read more
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High-entropy alloys
TL;DR: This Review discusses model high-entropy alloys with interesting properties, the physical mechanisms responsible for their behaviour and fruitful ways to probe and discover new materials in the vast compositional space that remains to be explored.
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High-entropy ceramics
TL;DR: In this paper, the authors discuss the current state of the disordered ceramics field by examining the applications and the high-entropy features fuelling them, covering both theoretical predictions and experimental results.
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Mechanical properties of high-entropy alloys with emphasis on face-centered cubic alloys
TL;DR: In this paper, the authors review the principal mechanical properties of multi-principal element alloys with emphasis on the face-centered cubic systems, such as the CrCoNi-based alloys, and suggest their favorable mechanical properties and ease of processing by conventional means suggest extensive utilization in many future structural applications.
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High-Entropy Oxides: Fundamental Aspects and Electrochemical Properties.
Abhishek Sarkar,Qingsong Wang,Alexander Schiele,Mohammed Reda Chellali,Subramshu S. Bhattacharya,Di Wang,Torsten Brezesinski,Horst Hahn,Leonardo Velasco,Ben Breitung +9 more
TL;DR: The diversity of materials design, provided by the entropy-mediated phase-stabilization concept, allows engineering of new oxide candidates for practical applications, warranting further studies in this emerging field of materials science.
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High-entropy fluorite oxides
Joshua Gild,Mojtaba Samiee,Jeffrey L. Braun,Tyler Harrington,Heidy Vega,Patrick E. Hopkins,Kenneth S. Vecchio,Jian Luo +7 more
TL;DR: In this article, 11 fluorite oxides with five principal cations (in addition to a four-principalcation) were fabricated via high-energy ball milling, spark plasma sintering, and annealing in air.
References
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Multiferroic and magnetoelectric materials
TL;DR: A ferroelectric crystal exhibits a stable and switchable electrical polarization that is manifested in the form of cooperative atomic displacements that arises through the quantum mechanical phenomenon of exchange.
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A critical review of high entropy alloys and related concepts
Daniel B. Miracle,Oleg N. Senkov +1 more
TL;DR: High entropy alloys (HEAs) are barely 12 years old as discussed by the authors, and the field has stimulated new ideas and inspired the exploration of the vast composition space offered by multi-principal element alloys.
Journal ArticleDOI
Lead-free piezoceramics
Yasuyoshi Saito,Hisaaki Takao,Toshihiko Tani,Tatsuhiko Nonoyama,Kazumasa Takatori,Takahiko Homma,Toshiatsu Nagaya,Masaya Nakamura +7 more
TL;DR: A lead-free piezoelectric ceramic with an electric-field-induced strain comparable to typical actuator-grade PZT is reported, achieved through the combination of the discovery of a morphotropic phase boundary in an alkaline niobate-based perovskite solid solution, and the development of a processing route leading to highly textured polycrystals.
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Microstructures and properties of high-entropy alloys
TL;DR: The concept of high entropy introduces a new path of developing advanced materials with unique properties, which cannot be achieved by the conventional micro-alloying approach based on only one dominant element as mentioned in this paper.
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A high-mobility electron gas at the LaAlO3/SrTiO3 heterointerface
TL;DR: A model interface is examined between two insulating perovskite oxides—LaAlO3 and SrTiO3—in which the termination layer at the interface is controlled on an atomic scale, presenting a broad opportunity to tailor low-dimensional charge states by atomically engineered oxide heteroepitaxy.