ORCID Profile
0000-0002-2113-4193
Current Organisation
UNSW Sydney
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Publisher: Elsevier BV
Date: 07-2021
Publisher: Elsevier BV
Date: 03-2020
Publisher: Elsevier BV
Date: 09-2021
Publisher: Wiley
Date: 25-02-2020
Publisher: Elsevier BV
Date: 05-2020
Publisher: Elsevier BV
Date: 12-2020
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/C9TC06739F
Abstract: The piezoelectric litude drops by 44.7% and meanwhile the out-of-plane tensile strain rises by 11.0% under reverse magnetic fields in (1–3)-type BFO–CFO thin films.
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/D0TC03519J
Abstract: Friction-driven contaminant degradation is a novel and potential solution to mitigate environmental pollution.
Publisher: Wiley
Date: 24-05-2023
Abstract: Mechanical friction leads to wear and energy dissipation, and its control is of high importance in new‐generation miniature electromechanical devices. 2D materials such as graphene are considered to be excellent solid lubricants due to their ultralow friction and have attracted considerable research interest. Unique friction properties are discovered in various other 2D materials. However, the friction of functional van der Waals materials which have potential applications in novel nanoelectronics, like ferroelectric copper indium thiophosphate, has barely been studied. Herein, the study reports on the observation of inhomogeneous friction behavior existing in copper‐deficient CuInP 2 S 6 (Cu 0.2 In 1.26 P 2 S 6 ), which exhibits a nanoscale phase separation of polar and non‐polar crystalline phases. The paraelectric In 4/3 P 2 S 6 phase exhibits higher friction than the ferroelectric CuInP 2 S 6 phase, while phase boundaries between the two phases, interestingly, display the lowest friction. The origin of this phenomenon is attributed to different lattice strains of phases together with the presence of large strains at the nanoscale phase boundaries, which also manifests in the nonuniform tip‐s le adhesion force. The findings provide new insights into nanoscale device design and wear behavior of a phase‐separated van der Waals ferroelectric, which may help to reduce the power consumption of friction‐exhibiting devices and extend their service life.
Publisher: Elsevier BV
Date: 12-2020
Publisher: American Chemical Society (ACS)
Date: 08-10-2019
Abstract: Control of coupling between electric and elastic orders in ferroelectric bulks is vital to understand their nature and enrich the multifunctionality of polarization manipulation applied in domain-based electronic devices such as ferroelectric memories and data storage ones. Herein, taking (1 -
Publisher: Royal Society of Chemistry (RSC)
Date: 2019
DOI: 10.1039/C9CP01763A
Abstract: Oxygen vacancy engineering can improve the photocatalytic activity of perovskite NaNbO 3 .
Location: China
No related grants have been discovered for Lei Wang.