Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Articles Article Faculty Publications -Articles Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Flexible Nanogenerators Based on Enhanced Flexoelectricity in Mn3O4 Membranes Subject The topic of the resource 2D materials; flexoelectric; oxide membrane Description An account of the resource Atomically thin, few-layered membranes of oxides show unique physical and chemical properties compared to their bulk forms. Manganese oxide (Mn3O4) membranes are exfoliated from the naturally occurring mineral Hausmannite and used to make flexible, high-performance nanogenerators (NGs). An enhanced power density in the membrane NG is observed with the best-performing device showing a power density of 7.99mWm?2 compared to 1.04Wm?2 in bulk Mn3O4. A sensitivity of 108mVkPa?1 for applied forces &lt;10N in the membrane NG is observed. The improved performance of these NGs is attributed to enhanced flexoelectric response in a few layers of Mn3O4. Using first-principles calculations, the flexoelectric coefficients of monolayer and bilayer Mn3O4 are found to be 50100 times larger than other 2D transition metal dichalcogenides (TMDCs). Using a model based on classical beam theory, an increasing activation of the bending mode with decreasing thickness of the oxide membranes is observed, which in turn leads to a large flexoelectric response. As a proof-of-concept, flexible NGs using exfoliated Mn3O4 membranes are made and used in self-powered paper-based devices. This research paves the way for the exploration of few-layered membranes of other centrosymmetric oxides for application as energy harvesters. 2023 Wiley-VCH GmbH. Creator An entity primarily responsible for making the resource Chowde Gowda C.; Cavin J.; Kumbhakar P.; Tiwary C.S.; Mishra R. Source A related resource from which the described resource is derived Small, Vol-20, No. 14 Publisher An entity responsible for making the resource available John Wiley and Sons Inc Date A point or period of time associated with an event in the lifecycle of the resource 2024-01-01 Identifier An unambiguous reference to the resource within a given context <a href="https://doi.org/10.1002/smll.202307167" target="_blank" rel="noreferrer noopener">https://doi.org/10.1002/smll.202307167</a> <br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85180670361&amp;doi=10.1002%2Fsmll.202307167&amp;partnerID=40&amp;md5=4e0864f08a1af5e5ebd686a5552da9cb" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85180670361&amp;doi=10.1002%2fsmll.202307167&amp;partnerID=40&amp;md5=4e0864f08a1af5e5ebd686a5552da9cb</a> Rights Information about rights held in and over the resource Restricted Access Relation A related resource ISSN: 16136810; PubMed ID: 38152930; CODEN: SMALB Format The file format, physical medium, or dimensions of the resource Online Language A language of the resource English Type The nature or genre of the resource Article Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Chowde Gowda C., School of Nano Science and Technology, Indian Institute of Technology, West Bengal, Kharagpur, 721302, India; Cavin J., Department of Physics, Washington University in St. Louis, St. Louis, 63130, MO, United States; Kumbhakar P., Metallurgical and Materials Engineering, Indian Institute of Technology, West Bengal, Kharagpur, 721302, India, Department of Physics and Electronics, Christ University, Karnataka, Bangalore, 560029, India; Tiwary C.S., School of Nano Science and Technology, Indian Institute of Technology, West Bengal, Kharagpur, 721302, India, Metallurgical and Materials Engineering, Indian Institute of Technology, West Bengal, Kharagpur, 721302, India; Mishra R., Department of Physics, Washington University in St. Louis, St. Louis, 63130, MO, United States, Department of Mechanical Engineering &amp; Materials Science, and Institute of Materials Science &amp; Engineering, Washington University in St. Louis, St. Louis, 63130, MO, United States