Xuan Zhang

ORCID: 0000-0003-0984-021X
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About
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Research Areas
  • GaN-based semiconductor devices and materials
  • Semiconductor materials and devices
  • Smart Grid Energy Management
  • Microgrid Control and Optimization
  • Silicon Carbide Semiconductor Technologies
  • Micro and Nano Robotics
  • Radio Frequency Integrated Circuit Design
  • Multilevel Inverters and Converters
  • Ga2O3 and related materials
  • Metal and Thin Film Mechanics
  • Nanoplatforms for cancer theranostics
  • Electric Vehicles and Infrastructure
  • Power Systems and Renewable Energy
  • Wireless Power Transfer Systems
  • Advanced Sensor and Energy Harvesting Materials
  • ZnO doping and properties
  • Energy Harvesting in Wireless Networks
  • Analog and Mixed-Signal Circuit Design
  • Advanced Battery Technologies Research
  • Islanding Detection in Power Systems
  • Electromagnetic Compatibility and Noise Suppression
  • HVDC Systems and Fault Protection
  • Low-power high-performance VLSI design
  • Advanced DC-DC Converters
  • Acoustic Wave Resonator Technologies

Suzhou Institute of Nano-tech and Nano-bionics
2020-2025

Chinese Academy of Sciences
2020-2025

Tsinghua–Berkeley Shenzhen Institute
2020-2025

Tsinghua University
2025

Xi'an University of Science and Technology
2025

Institute of Microelectronics
2025

Hohai University
2024

Tianjin University
2024

University of Electronic Science and Technology of China
2017-2023

Tan Kah Kee Innovation Laboratory
2023

Synthetic micro/nanomotors have great potential in deep tissue imaging and vivo drug delivery because of their active motion ability. However, applying nanomotors with a size less than 100 nm to therapy is one the core changes this field. Herein, nanosized hydrogen peroxide (H2O2)-driven Janus gold nanorod-platinum (JAuNR-Pt) nanomotor developed for enhancing second near-infrared region (NIR-II) photoacoustic (PA) tissues tumors effective tumor treatment. The JAuNR-Pt prepared by depositing...

10.1021/acsnano.2c00732 article EN ACS Nano 2022-05-10

Manufacturing heteronanostructures with specific physicochemical characteristics and tightly controllable designs is very appealing. Herein, we reported NIR-II light-driven dual plasmonic (AuNR-SiO2-Cu7S4) antimicrobial nanomotors an intended Janus configuration through the overgrowth of copper-rich Cu7S4 nanocrystals at only one high-curvature site Au nanorods (Au NRs). These were applied for photoacoustic imaging (PAI)-guided synergistic photothermal photocatalytic treatment bacterial...

10.1021/acs.nanolett.3c00632 article EN Nano Letters 2023-04-27

Three-dimensional (3D)-printed magnetic soft architectures have attracted extensive attention and research from the engineering material fields. The force-driven shape deformation of such causes a change in field distribution, indicating capability to convert mechanical energy electricity. Herein, we fabricate flexible superhydrophobic device by integrating two kinds 3D printing approaches. 3D-printed (3DMD) exhibits long-term stable mechanoelectrical conversion capacity under consecutive...

10.1016/j.eng.2022.04.009 article EN cc-by-nc-nd Engineering 2022-05-14

Highly efficient multi-dimensional data storage and extraction are two primary ends for the design fabrication of emerging optical materials. Although metasurfaces show great potential in information due to their modulation different degrees freedom light, a compact detector relevant retrieval is still challenge, especially complex environments. Here, we demonstrate image process by using dual-color metasurface double-layer integrated perovskite single-pixel (DIP-SPD). Benefitting from...

10.1038/s41377-023-01311-2 article EN cc-by Light Science & Applications 2023-11-27

Abstract Over the last decade, researchers have endeavored to mimic naturally motile microorganisms and develop artificial nano/microswimmers, which propel themselves in aqueous media. However, most of these nano/microswimmers are propelled by self-electrophoretic mechanism, has one critical incompetency: inability operate a high concentration electrolyte solution, such as important body fluid, blood. This ionic quenching behavior is well backed classical Helmholtz–Smoluchowski theory seems...

10.1038/s41467-019-11907-1 article EN cc-by Nature Communications 2019-09-02

Gallium nitride (GaN) based power electronics devices are actively being evaluated to determine if their theoretical advantages over silicon (Si) switches can translate into improved performance of existing hardware as well open the doors new types applications, such high temperature implementations, or very frequency conversion. The following paper presents an overview this activity. A brief summary about and requirements semiconductor used in field is provided. Detailed analysis challenges...

10.1088/0268-1242/28/7/074013 article EN Semiconductor Science and Technology 2013-06-21

Paralleling devices is an effective way to achieve a higher power application while still having the convenience of using discrete devices. However, mechanisms potential failures and circuit design considerations have not been thoroughly studied yet, when paralleling gallium nitride high-electron-mobility transistors (GaN HEMTs) in cascode configuration. This paper presents comprehensive study paralleled high-voltage GaN HEMTs, evaluating both device characteristics. The current oscillation,...

10.1109/jestpe.2016.2557316 article EN publisher-specific-oa IEEE Journal of Emerging and Selected Topics in Power Electronics 2016-04-21

Increasing distributed energy resources introduce rapid and fast fluctuations in power supply demand. As a result, the control economic optimization for networks need to operate at faster time-scales reliability efficiency. In this paper, we consider problem of achieving real-time dispatch with controllable loads. We first present system dynamics over transmission network under exogenous disturbances formulate an congestion constraints. then propose saddle point design framework which are...

10.1109/pesgm.2015.7286222 article EN 2015-07-01

A curvature-compensated resistor-less bandgap reference (BGR), which is fabricated in 0.5-μm CMOS process, proposed this paper. The BGR utilizes successive voltagestep compensation to produce a temperature-insensitive voltage (VR), including one AVGS step for first-order and another higher order curvature correction. Moreover, supply noise bypassing technique adopted achieve good power rejection performance up high frequency. Experimental results demonstrate that able VR of 1.196 V with...

10.1109/tcsi.2018.2834468 article EN IEEE Transactions on Circuits and Systems I Regular Papers 2018-05-22

In this paper, we present a comprehensive evaluation of the latest 600 V class Gallium Nitride based Gate Injection Transistor (GaN-GIT) for high temperature and efficiency applications. study, Panasonic GITs are used as reference GaN-GIT technology. Static dynamic testing was performed on two versions to extract critical static parameters switching losses. A curve tracer measure gate-to-source threshold value Rds(on) across full operating range. double pulse setup developed test devices...

10.1109/wipda.2015.7369300 article EN 2015-11-01

The limited accumulation and poor radiosensitization of radiosensitizers greatly reduce the therapeutic effects. Here, we developed Janus AuNR-TiO 2 nanomotors for deep cancer photoacoustic imaging enhanced radiotherapy.

10.1039/d2sc03036e article EN cc-by-nc Chemical Science 2022-01-01

Abstract Nowadays, cardiovascular and cerebrovascular diseases caused by venous thromboembolism become main causes of mortality around the world. The current thrombolytic strategies in clinics are confined primarily due to poor penetration nanoplatforms, limited efficiency, extremely‐low imaging accuracy. Herein, a novel nanomotor (NM) is engineered combining iron oxide/perfluorohexane (PFH)/urokinase (UK) into liposome nanovesicle, which exhibits near‐infrared/ultrasound (NIR/US) triggered...

10.1002/adhm.202302591 article EN Advanced Healthcare Materials 2023-12-12

With the rapid development of artificial intelligence and intelligent robot technology, integrating human emotions has become essential for improving interactions with machines. The amygdala, a key brain region regulating emotions, plays an important role in advancing this technology by simulating internal emotional synaptic activities. However, it been significant challenge to perform simulation studies on activity within amygdala during process generation transformation. Here, we propose...

10.1021/acsanm.4c06195 article EN ACS Applied Nano Materials 2025-01-09

Abstract A special category of basal plane dislocations which have been found at interfaces in 4H-SiC epitaxial wafers attracted more and attention recent years. These interfacial could locate either the bottom an implanted layer or epilayer/substrate interface. While latter type has studied extensively literature, formation mechanism implantation-induced remains unclear. In this paper, critical role thermal stress dislocation during activation annealing is determined by ion-implanted wafer...

10.35848/1347-4065/adba22 article EN Japanese Journal of Applied Physics 2025-02-25

Electromagnetic waves can affect the human body and equipment, development of unique nanostructured materials with excellent reflection loss (RL), thin thickness, wide frequency band light weight highly valued.

10.1039/d4nr05469e article EN Nanoscale 2025-01-01

Lowering the supply voltage to improve energy efficiency leads higher load current and elevated sensitivity. In this paper, we provide first quantitative analysis of noise in multi-core near-threshold processors a future 10nm technology across SPEC CPU2006 benchmarks. Our results reveal larger guardband requirement significant loss due power delivery nonidealities at near threshold, highlight importance accurate characterization for design exploration energy-centric computing systems using cores.

10.5555/2648668.2648689 article EN International Symposium on Low Power Electronics and Design 2013-09-04

In this paper, we consider the problem of distributed control for linear network systems to achieve optimal steady-state performance. Motivated by recent research on re-engineering cyber-physical systems, propose a reverse- and forward-engineering framework which consists two steps. Firstly, reverse-engineer dynamic system as gradient algorithm solve an optimization problem. Secondly, use approach systematically design or modify existing control. As result, can automatically track solution...

10.1109/cdc.2015.7403042 article EN 2021 60th IEEE Conference on Decision and Control (CDC) 2015-12-01

This paper presents a real-time decentralized temperature control scheme via Heating Ventilation and Air Conditioning (HVAC) systems for energy efficient buildings, which balances user comfort saving. Firstly, we introduce thermal dynamic model of building its approximation. Then steady-state optimization problem is formulated, aims to minimize the aggregate deviation between zone temperatures their set points, as well consumption. Because this nonconvex, convex relaxation approach proposed,...

10.1109/globalsip.2016.7905980 article EN 2016-12-01

In this article, the normally- OFF etching-free p-GaN stripe array gate AlGaN/GaN high-electron-mobility-transistors (PSAG-HEMTs) are designed and experimentally demonstrated through hydrogen plasma treatment. The unique threshold voltage (<inline-formula> <tex-math notation="LaTeX">${V}_{TH}$ </tex-math></inline-formula>) modulation technique based on PSAG structure is proposed simulated. Using method, <inline-formula> </tex-math></inline-formula> can be continuously shifted from...

10.1109/ted.2021.3105088 article EN IEEE Transactions on Electron Devices 2021-08-19

This letter demonstrates high-performance lateral p-GaN/AlGaN/GaN hybrid anode diodes (HPT-HADs) using a novel hydrogen plasma treatment. Without field plates (FPs) or passivation, the HPT-HAD with anode-cathode distance (<inline-formula> <tex-math notation="LaTeX">${L}_{\text {AC}}$ </tex-math></inline-formula>) of 20 <inline-formula> notation="LaTeX">$\mu \text{m}$ </tex-math></inline-formula> showed reverse breakdown voltage (<i>BV</i>) 2.01 kV differential specific ON-resistance...

10.1109/led.2022.3159240 article EN IEEE Electron Device Letters 2022-03-14

To address the instability issue in renewable systems of a radial-line structure with multiple current-controlled interface inverters, this paper proposes practical stability criterion to easily analyze system and controller parameter design method guarantee stable operation good oscillation damping performance. The proposed impedance-based sufficient does not need pole calculation return ratio matrices, while phase margin can still be obtained for dynamic performance evaluation. Based on...

10.1109/apec.2016.7468176 article EN 2022 IEEE Applied Power Electronics Conference and Exposition (APEC) 2016-03-01
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