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Rolling the Dice with Light Competition: Introducing a True Random Number Generator Powered by Photo-Induced Polarity Current.
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Department of Electronic Engineering, Hanyang University, 222 Wangsimni-ro, Seoul, Seoul, 04763, South Korea.
The pursuit of hardware-based security solutions has highlighted the true random number generator (TRNG). Various physical phenomena, from noise generation to quantum physics complexities, have been explored for random number generation. The arc discharge light-induced TRNG (ALTRNG) is introduced, featuring wavelength-dependent photocurrent generation and arc discharge irradiation.
View Article and Find Full Text PDFCircularly Polarized Organic Light-Emitting Diode Based on Device Functional Layer Materials.
Small
January 2025
The Ninth Medical Center of Chinese PLA General Hospital, Beijing, 100101, P. R. China.
Circularly polarized light-emitting devices have found extensive application prospects in 3D displays and optoelectronic information. Among them, circularly polarized organic light-emitting diodes (CP-OLED), as a rising star of circularly polarized light-emitting devices, achieved good research results. However, the preparation of CP-OLED with a high electroluminescence asymmetry factor and high external quantum efficiency is a hot and difficult research topic.
View Article and Find Full Text PDFAdverse Reactions to Cosmetic Fillers in the Oral and Maxillofacial Region: Clinico-Pathological, Histochemical, and Immunohistochemical Characterization.
J Oral Pathol Med
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Department of Oral Pathology and Surgery, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
Background: Cosmetic injections are increasing, as their complications, which can be misdiagnosed as neoplastic lesions. This study aimed to detail clinical, pathological, histochemical, and immunohistochemical features of adverse reactions to cosmetic fillers in the oral and maxillofacial region.
Methods: Samples were retrieved from five pathology laboratories.
The Critical Role of Atomic-Scale Polarization in Transition Metal Oxides on Vanadium-Redox Electrochemistry.
Adv Mater
January 2025
Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China.
Transition metal oxide electrocatalysts (TMOEs) are poised to revive grid-scale all-vanadium redox flow batteries (VRFBs) due to their low-cost and unique electronic properties, while often inescapably harboring surface vacancies. The role of local vacancy-induced physicochemical properties on vanadium-redox electrochemistry (VRE), encompassing kinetics, and stability, remains profoundly unveiled. Herein, for the first time, it is revealed that vacancies induce atomic-scale polarization in TMOEs and elucidate its mechanism in VRE.
View Article and Find Full Text PDFEfficient Spin-Light-Emitting Diodes With Tunable Red to Near-Infrared Emission at Room Temperature.
Adv Mater
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Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, 999077, P. R. China.
Spin light-emitting diodes (spin-LEDs) are important for spin-based electronic circuits as they convert the carrier spin information to optical polarization. Recently, chiral-induced spin selectivity (CISS) has emerged as a new paradigm to enable spin-LED as it does not require any magnetic components and operates at room temperature. However, CISS-enabled spin-LED with tunable wavelengths ranging from red to near-infrared (NIR) has yet to be demonstrated.
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