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The scientific community has become more aware of issues surrounding reproducibility. We should remain cognizant that as we develop better understanding we can revise our knowledge of a problem and scientific findings that are considered valid today might not be in the future.
Misalignment-induced moiré patterns and chirality in two-dimensional materials offer vast opportunities for manipulating their properties, but they face challenges in synthesis and structural control.
M. I. Eremets, V. S. Minkov, A. P. Drozdov and P. P. Kong discuss the substantial progress made in discovering and developing near-room-temperature superconductivity in hydrogen-rich materials. They focus on achieving reproducibility under the challenging experimental conditions of megabar pressures.
Peng Wu, Tianyi Zhang, Jiadi Zhu, Tomás Palacios and Jing Kong discuss the reproducibility issues in the synthesis and device fabrication of two-dimensional transition metal dichalcogenides that need to be addressed to enable the lab-to-fab transition.
Marc Legros, Frédéric Mompiou and Daniel Caillard discuss the different aspects that influence the reproducibility and reliability of characterizations performed using in situ mechanical tests in transmission electron microscopes.
Kinetic trapping in supramolecular gels leads to varied morphologies and macroscopic properties. Emily R. Draper and Dave J. Adams discuss subtle experimental effects that can lead to reproducibility issues in these systems.
The materials modelling community is emerging as a champion for reproducible and reusable science. Aron Walsh discusses how FAIR databases, collaborative codes and transparent workflows are advancing this movement.
Tae Hoon Lee and Zachary P. Smith argue that some of the most exciting materials that could be used for gas separations are metastable or crystalline, with properties that are altered by sample preparation and testing, but there are no widely accepted standards.
Frustrated by reproducibility in electrical measurements on ferroelectric films, Lane Martin, Jon-Paul Maria and Darrell Schlom discuss tactics to reliably synthesize ‘good’ ferroelectric samples, especially in the search for superior materials and device heterostructures.
Joseph Heremans and Joshua Martin discuss the reproducibility of thermoelectric measurements and conclude that the uncertainty on the figure of merit zT is of the order of 15–20%.
The fundamental discoveries that enabled the development of effective mRNA vaccines against COVID-19 were awarded with this year’s Nobel Prize in Medicine.
Xiaodong Chen, a professor at Nanyang Technological University (School of Materials Science and Engineering), talks to Nature Materials about how innovations in materials science and technology are paving the way for a more sustainable future in electronics.
An essential part of developing organic mixed ionic–electronic conducting materials and organic electrochemical transistors is consistent and standardized reporting of the product of charge carrier mobility and volumetric capacitance, the μC* product. This Comment argues that unexpected changes in transistor channel resistance can overestimate this figure of merit, leading to a confusion of comparisons in the literature.
Overcoming the intrinsic brittleness of inorganic glasses and ceramics improves structural reliability under operation, while also increasing their competitiveness for flexible devices.
Peer review has long been established as the gold standard for scientific publishing, but changes in the publishing ecosystem should not influence author response to the views of their peers.
