Explanipedia

Photocatalytic Overall Water Splitting at the Integrated Rh–MoRhO x Cluster Heterostructure on InGaN/GaN Nanowires Open

Bingxing Zhang, Zhiheng Zhao, Yuyang Pan, Yifan Shen, Zhengwei Ye , et al. · 2025

The quest for efficient solar‐driven water splitting, a promising avenue for clean fuel production, faces challenges due to limited solar energy conversion efficiency. Traditional approaches study the overall water splitting as two spatial…

TIMP1: A novel immune-related signature associated with invasiveness and inhibition of pituitary adenoma Open

Hongyu Wu, Yanwen Zhang, Xin Ma, Zetian Mi, Zhijun Yang · 2025

The invasiveness of pituitary adenomas is closely related to the tumour immune microenvironment. This study aimed to identify immune-related genes associated with IPAs. Transcriptomic data from 32 patient-derived samples were analysed to s…

Growth of wurtzite ferroelectrics Open

Simon Fichtner, Masato Uehara, Isabel Streicher, Samuel Yang, Jon‐Paul Maria , et al. · 2025

Thin films with wurtzite crystal structure feature some of the best compatibility with the major semiconductor platforms among ferroelectrics, as well as high remanent polarization, excellent stability, and scalability; making them very at…

MBE‐Grown ScAlN‐on‐Si Films: Enhancing In‐Plane Crystallinity for Extensional Mode BAW Resonators Open

Shubham Mondal, Shaurya Dabas, Garrett Baucom, Jae‐Hun Kim, Md Mehedi Hasan Tanim , et al. · 2025

Piezoelectric thin films are playing an increasingly important role in micro‐electromechanical systems (MEMS) as the expansion of 5G networks and the rise of Internet of Things (IoT) technologies fuel the need for smaller, more reliable, a…

The calibration light source for the Large Array of imaging atmospheric Cherenkov Telescopes (LACT) Open

Mingjie Yang, Qingyuan Zhao, Chao Wang, Zhen Min, Shoushan Zhang , et al. · 2025

Ultrawide bandgap semiconductors for photonic applications: recent advances in epitaxial Ga2O3, hBN, and ScAlN [Invited] Open

Tao Li, Md Jahidul Hoq Emon, Rummanur Rahad, Arka Chatterjee, Vijay Dalakoti , et al. · 2025

The epitaxial growth of semiconductor materials plays a pivotal role in photonic applications by enabling precise control over material composition and facilitating flexible heterogeneous integration. Sophisticated epitaxial techniques hav…

Recent advances in photoelectrochemical ammonia synthesis Open

Wan Jae Dong, Zetian Mi · 2025

Ammonia is indispensable to agriculture and energy applications, but its conventional synthesis through the Haber–Bosch process remains both energy- and carbon-intensive. These concerns have driven interest in renewable-powered ammonia syn…

Metal/Semiconductor Hybrid Systems for Photothermal Catalysis Open

Ishtiaque Ahmed Navid, Wan Jae Dong, Zetian Mi · 2025

High-temperature memory devices based on ferroelectric ScAlN/AlGaN/GaN high-electron-mobility transistors Open

Jie Zhang, Jiangnan Liu, Daphne Agapiou, Md. Tanvir Hasan, Ding Wang , et al. · 2025

ScAlN-based HEMTs: Challenges and opportunities Open

Md. Tanvir Hasan, Zetian Mi · 2025

The rapid advancement of wireless communication, radar technology, automotive electronics, and renewable energy systems necessitates semiconductor devices capable of operating at increasingly higher frequencies and power densities while ma…

Unprecedented enhancement of piezoelectricity of wurtzite nitride semiconductors via thermal annealing Open

Shubham Mondal, Md Mehedi Hasan Tanim, Garrett Baucom, Shaurya Dabas, Jinghan Gao , et al. · 2025

Incorporating rare-earth elements into wurtzite nitride semiconductors, such as scandium-alloyed aluminum nitride (ScAlN), significantly enhances the piezoelectric response, which is vital for a broad range of acoustic, electronic, photoni…

Nitrate reduction to ammonia catalyzed by GaN/Si photoelectrodes with metal clusters Open

Wan Jae Dong, Jan Paul Menzel, Kejian Li, Zhengwei Ye, Zhuoran Long , et al. · 2025

Photoelectrochemical water splitting under concentrated sunlight: best practices and protocols Open

Kejian Li, Wan Jae Dong, Zetian Mi · 2025

Photoelectrochemical (PEC) water splitting is a promising technology for green hydrogen production by harnessing solar energy. Traditionally, this sustainable approach is studied under light intensity of 100 mW/cm 2 mimicking the natural s…

Van der Waals quantum dots on layered hexagonal boron nitride Open

Yuanpeng Wu, Yixin Xiao, Ying Zhao, Yifan Shen, Kai Sun , et al. · 2025

Semiconductor quantum dots (QD) promise unique electronic, optical, and chemical properties, which can be exquisitely tuned by controlling the composition, size, and morphology. Semiconductor QDs have been synthesized primarily via two app…

Synergistic Metal‐Support Interactions in Au/GaN Catalysts for Photoelectrochemical Nitrate Reduction to Ammonia Open

Wan Jae Dong, Jan Paul Menzel, Zhengwei Ye, Zhuoran Long, Ishtiaque Ahmed Navid , et al. · 2025

Metal‐support interactions are crucial in the electrochemical synthesis of ammonia (NH 3 ) from nitrate (NO 3 − ) reduction reaction, enabling efficient NH 3 production under mild conditions. However, the complexity of the reaction pathway…

I Think, Therefore I Diffuse: Enabling Multimodal In-Context Reasoning in Diffusion Models Open

Zetian Mi, Kuan-Chieh Wang, Guocheng Qian, Hanrong Ye, Runtao Liu , et al. · 2025

This paper presents ThinkDiff, a novel alignment paradigm that empowers text-to-image diffusion models with multimodal in-context understanding and reasoning capabilities by integrating the strengths of vision-language models (VLMs). Exist…

Molecular beam epitaxy, photocatalytic solar water splitting, and carrier dynamics of InGaN micro-network deep-nano structures Open

Ishtiaque Ahmed Navid, Yifan Shen, Peng Zhou, Jonathan Schwartz, Yin Min Goh , et al. · 2025

GaN-based nanostructures are increasingly being used for a broad range of electronic as well as optoelectronic device applications, and more recently artificial photosynthesis and solar fuel generation. We have performed a detailed investi…

Long-term stability of GaN-based photocatalyst nanostructures through dynamic oxide protection Open

Ishtiaque Ahmed Navid, Zhengwei Ye, Yuyang Pan, Yifan Shen, Theodore B. Norris , et al. · 2025

Substantially improved photocatalytic long-term stability is demonstrated using a dynamically synthesized Al 2 O 3 protection architecture on a cocatalyst-decorated p-InGaN nanowire sample.

Single-cell and spatial transcriptomic analyses reveal heterogeneity characteristics and specific cell subtype regulators in growth hormone-secreting pituitary adenomas Open

Yanwen Zhang, Lifeng Wang, Xingcheng Yi, Xin Ma, Hongyu Wu , et al. · 2024

Background: Growth hormone-secreting pituitary adenomas (GHPA) display diverse biological behaviors and clinical outcomes, necessitating the identification of tumor heterogeneity and prognostically relevant markers. Methods: In this study,…

Design Principles and Performance Limitation of InGaN Nanowire Photonic Crystal Micro-LEDs Open

Yakshita Malhotra, Xianhe Liu, Zetian Mi · 2024

While micro-LEDs are crucial for ultrahigh resolution micro-displays, the efficiency of currently reported micro-LEDs degrades dramatically with decreasing size. Recently, the bottom-up nanowire approach has shown promise to break the effi…

Structural Characteristics of Corrugated Steel Inner Walls in Liquefied Natural Gas Ship Membrane Compartments Open

Fengming Du, Yuhong Zhang, Zetian Mi, Pan Gao · 2024

Under high sea conditions, liquefied natural gas (LNG) ships undergo significant shaking, which can affect the deformation and stress levels in the membrane tank walls. In this work, the structural characteristics of the corrugated steel i…

Polarity controlled ScAlN multi-layer transduction structures grown by molecular beam epitaxy Open

Shubham Mondal, Eitan Hershkovitz, Garrett Baucom, Md Mehedi Hasan Tanim, Shaurya Dabas , et al. · 2024

We report on the molecular beam epitaxial growth and characterization of polarity-controlled single and multi-layer Scandium Aluminum Nitride (ScAlN) transduction structures grown directly on ScAlN templates deposited by physical vapor dep…

Unprecedented Enhancement of Piezoelectricity in Wurtzite Nitride Semiconductors via Thermal Annealing Open

Shubham Mondal, Md Mehedi Hasan Tanim, Garrett Baucom, Shaurya Dabas, Jinghan Gao , et al. · 2024

The incorporation of rare-earth elements in wurtzite nitride semiconductors, e.g., scandium alloyed aluminum nitride (ScAlN), promises dramatically enhanced piezoelectric responses, critical to a broad range of acoustic, electronic, photon…

A synergetic cocatalyst for conversion of carbon dioxide, sunlight, and water into methanol Open

Zhengwei Ye, Ke Yang, Bingxing Zhang, Ishtiaque Ahmed Navid, Yifan Shen , et al. · 2024

The conversion of CO 2 into liquid fuels, using only sunlight and water, offers a promising path to carbon neutrality. An outstanding challenge is to achieve high efficiency and product selectivity. Here, we introduce a wireless photocatal…

Nanoscale Engineering of Wurtzite Ferroelectrics: Unveiling Phase Transition and Ferroelectric Switching in ScAlN Nanowires Open

Ding Wang, Ping Wang, Shubham Mondal, Mingtao Hu, Yuanpeng Wu , et al. · 2024

The pursuit of extreme device miniaturization and the exploration of novel physical phenomena have spurred significant interest in crystallographic phase control and ferroelectric switching in reduced dimensions. Recently, wurtzite ferroel…

Rethinking polarization in wurtzite semiconductors Open

Ding Wang, Danhao Wang, Samuel Yang, Zetian Mi · 2024

Polarization arising from non-centrosymmetric wurtzite lattice underpins the physics and functionality of gallium nitride (GaN)—the most produced semiconductor materials second only to silicon. However, recent direct experimental measureme…

Selective incorporation of antimony into gallium nitride Open

Yujie Liu, Ishtiaque Ahmed Navid, Zetian Mi, Emmanouil Kioupakis · 2024

Dilute concentrations of antimony (Sb) incorporation into GaN induce strong band-gap bowing and tunable room-temperature photoluminescence from the UV to the green spectral regions. However, the atomistic details of the incorporation of Sb…

Perspectives on nitride ferroelectric semiconductors: Challenges and opportunities Open

Danhao Wang, Samuel Yang, Jiangnan Liu, Ding Wang, Zetian Mi · 2024

The recent demonstration of ferroelectricity in nitride materials has enabled a broad spectrum of applications across electronics, optoelectronics, photovoltaics, photonics, ferroelectrics, acoustoelectronics, and quantum devices and syste…

Plasma‐Damage Free Efficiency Scaling of Micro‐LEDs by Metal‐Assisted Chemical Etching Open

Clarence Chan, Henry C. Roberts, Yixin Xiao, Paul Froeter, Dane J. Sievers , et al. · 2024

Since its inception, LEDs have slowly transitioned from traditional solid‐state lighting applications to full‐color, self‐emissive displays. Micro‐LEDs (µLEDs) are poised to become the next mass‐market technology for displays in lower pixe…

Concentrated Solar Light Photoelectrochemical Water Splitting for Stable and High‐Yield Hydrogen Production Open

Wan Jae Dong, Zhengwei Ye, Songtao Tang, Ishtiaque Ahmed Navid, Yixin Xiao , et al. · 2024

Photoelectrochemical water splitting is a promising technique for converting solar energy into low‐cost and eco‐friendly H 2 fuel. However, the production rate of H 2 is limited by the insufficient number of photogenerated charge carriers …

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