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journal article·2022-07

Synthesis and Characterization of Biotene: A New 2D Natural Oxide From Biotite

Preeti Lata Mahapatra, Raphael Tromer, Prafull Pandey, Gelu Costin, Basudev Lahiri, Kamanio Chattopadhyay, Ajayan P. M., Ajit K. Roy, Douglas S. Galvao, Partha Kumbhakar, Chandra Sekhar Tiwary

Small· Volume 18· Issue 27
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Source abstract

Abstract

Abstract In this work, the synthesis and characterization of ultrathin metal oxide, called biotene, using liquid‐phase exfoliation from naturally abundant biotite are demonstrated. The atomically thin biotene is used for energy harvesting using its flexoelectric response under multiple bending. The effective flexoelectric response increases due to the presence of surface charges, and the voltage increases up to ≈8 V, with a high mechano‐sensitivity of 0.79 V N−1 for normal force. This flexoelectric response is further validated by density functional theory (DFT) simulations. The atomically thin biotene shows an increased response in the magnetic field and thermal heating. The synthesis of two‐dimensional (2D) metal‐oxide biotene suggests a wealth of future 2D‐oxide material for energy generation and energy harvesting applications.
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Research context

OpenAlex topics: Nonlocal and gradient elasticity in micro/nano structures · Multiferroics and related materials · Advanced Materials and Mechanics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Nano Science and Technology Indian Institute of Technology Kharagpur West Bengal 721302 India

Applied Physics Department State University of Campinas Campinas SP 13083‐970 Brazil

Materials Engineering Indian Institute of Science Bangalore 560012 India

Department of Earth Environmental and Planetary Sciences Rice University Houston TX 77005 USA

Department of Electronics and Electrical Communication Engineering Indian Institute of Technology Kharagpur Kharagpur 721302 India

Department of Material Science and NanoEngineering Rice University Houston TX 77005 USA

Materials and Manufacturing Directorate Air Force Research Laboratory Wright Patterson AFB OH 45433‐7718 USA

Metallurgical and Materials Engineering Indian Institute of Technology Kharagpur Kharagpur 721302 India

Funding

Rice University

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