Lu Fan

ORCID: 0009-0004-2553-8525
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Advancements in Semiconductor Devices and Circuit Design
  • Microwave Engineering and Waveguides
  • Semiconductor materials and devices
  • Antenna Design and Analysis
  • Semiconductor Quantum Structures and Devices
  • Semiconductor Lasers and Optical Devices
  • Electrospun Nanofibers in Biomedical Applications
  • Advanced Antenna and Metasurface Technologies
  • Full-Duplex Wireless Communications
  • Energy Harvesting in Wireless Networks
  • Photonic and Optical Devices
  • Advancements in Transdermal Drug Delivery
  • Quantum and electron transport phenomena
  • Wireless Sensor Networks and IoT
  • Advanced Battery Technologies Research
  • 3D Printing in Biomedical Research
  • Nanowire Synthesis and Applications
  • Power Systems and Technologies
  • Wound Healing and Treatments
  • Silicon Nanostructures and Photoluminescence
  • Silicon Carbide Semiconductor Technologies
  • Integrated Circuits and Semiconductor Failure Analysis
  • Radio Frequency Integrated Circuit Design
  • Electromagnetic Compatibility and Noise Suppression
  • Silk-based biomaterials and applications

Wenzhou Medical University
2024-2025

First Affiliated Hospital of Wenzhou Medical University
2024-2025

Southeast University
2024-2025

State Key Laboratory of Digital Medical Engineering
2025

Åbo Akademi University
2024-2025

Turku Centre for Computer Science
2025

University of Turku
2025

Nanjing Drum Tower Hospital
2024

Zhongyuan University of Technology
2020

Nanjing University of Science and Technology
2018

A high-efficiency rectenna element has been designed and tested at 5.8 GHz for applications involving microwave-power transmission. The dipole antenna filtering circuitry are printed on a thin duroid substrate. silicon Schottky-barrier mixer diode with low breakdown voltage is used as the rectifying device. inside waveguide simulator achieves an RF-to-DC conversion efficiency of 82% input power level 50 mW 327 /spl Omega/ load. Closed-form equations given impedance function RF power....

10.1109/22.739282 article EN IEEE Transactions on Microwave Theory and Techniques 1998-01-01

Abstract Diabetic wound healing is a serious, complex, and chronic process; one current promising focusing technology in this area stem cell treatment. Here, novel porous microneedle (MN) arrays fabricated, which can highly mimetic niches, through template filling, particle etching method. The human adipose‐derived cells (ADSCs) are encapsulated Matrigel then loaded into the MN by post‐perfusion. Because of extracellular matrix‐mimicking, biocompatible offers bionic microenvironment nest...

10.1002/adfm.202316742 article EN Advanced Functional Materials 2024-02-06

We report a numerical simulation study of gate capacitance components in tunneling field-effect transistor (TFET), showing key differences the partitioning between source and drain as compared with MOSFET. A compact model for TFET components, including parasitic inversion capacitances, was built calibrated computer-aided design data. This should be useful further investigation performance circuits containing TFETs. The dependence gate-drain C <sub...

10.1109/led.2010.2047240 article EN IEEE Electron Device Letters 2010-05-26

We report the first study of effect strain on tunneling field-effect transistor (TFET) characteristics. Double-gate silicon TFETs were employed. It was found that tensile increases drain current, whereas compressive reduces current. This is attributed to strain-induced band splitting and carrier repopulation provides guidelines engineering TFETs. An elaborate dependence electrical characteristics TFET temperature also reported. observed on-state current exhibits a positive at low bias...

10.1109/led.2009.2026296 article EN IEEE Electron Device Letters 2009-08-11

The uniplanar coplanar waveguide (CPW) and slotline on a dielectric substrate have many applications to MIC MMIC designs. A new reverse-phase CPW hybrid-ring coupler magic-T were developed. Experimental results showed that the has 60% bandwidth centered at 3 GHz of one octave from 2 4 with 0.4 dB amplitude imbalance 3.5/spl deg/ phase imbalance. Also, this paper presents theoretical analyses CPW-slotline transitions using transmission line models. Accurate modeling nonuniform radial stubs...

10.1109/22.339779 article EN IEEE Transactions on Microwave Theory and Techniques 1994-01-01

New reduced-size uniplanar magic-T and hybrid-ring coupler suitable for MIC's MMIC's have been developed using a CPW-slotline ring that is 20% smaller than comparable designs. These circuits provide good amplitude phase characteristics over broad bandwidth. Experimental results show the has 1.3 octave bandwidth centered at 4 GHz of 1.6 from 2-6 GHz. Both maximum power dividing imbalance 0.4 dB 2.5/spl deg/ imbalance. Also new de Ronde's CPW-slot directional was with performance. The even-odd...

10.1109/22.475631 article EN IEEE Transactions on Microwave Theory and Techniques 1995-01-01

Wound healing has been a continuous critical focus in clinical practice, posing the ongoing challenges and burdens to patients. Current attempts tend develop multi-drug loaded patches with spatial design. Herein, we present multifunctional microneedle patch that integrates different drugs into separated regions for wound treatment. The is composed of silk fibroin-methacryloyl (SilMA) as base, silver nanoparticles (AgNPs) gelatin methacryloyl (GelMA) tips vascular endothelial growth factor...

10.1002/smmd.137 article EN cc-by Smart Medicine 2025-02-26

Abstract Microneedles have demonstrated valuable applications in diabetic wound management. Many endeavors are devoted to developing microneedles with well-designed structures and enhanced functions. Herein, we present an elaborate microneedle patch breathability for healing by a multi-step replication method. The consists of breathable porous supporting substrate core–shell tips involving poly (vinyl alcohol) shells loaded antimicrobial peptides (PVA@AMPs shell) crosslinked Gelma cores...

10.1088/2752-5724/adcbc6 article EN cc-by Materials Futures 2025-04-23

Integrated and active antennas incorporate component functions directly at the antenna terminals thereby reducing size, weight, cost of many microwave systems. Active integrated have been used for distributed oscillators in spatial quasi-optical power combining arrays, but concept can be extended to include such applications as Doppler sensors, radars, wireless communications produce compact, low-cost products. In this paper, we report that a field-effect transistor (FET) Schottky mixer...

10.1109/22.538955 article EN IEEE Transactions on Microwave Theory and Techniques 1996-01-01

A high efficiency rectenna element has been designed and tested at 5.8 GHz for applications involving microwave power transmission. The dipole antenna filtering circuitry are printed on a thin duroid substrate. silicon Schottky-barrier mixer diode with low breakdown voltage is used as the rectifying device; inside waveguide simulator achieves an RF to DC conversion of 82% input level 50 mW. circuit design based full-wave electromagnetic simulator.

10.1109/mwsym.1997.602852 article EN IEEE MTT-S International Microwave Symposium digest 2002-11-22

In this work, we demonstrate by simulation and experiment that the performance of a p + Si 0.5 Ge source tunnel field-effect transistor (TFET) can be improved inserting an undoped layer between channel. The suppresses diffusion boron into channel it also forms /Ge/Si hole quantum well, leading to abrupt profile high concentration at edge. At Ge/Si heterojunction, presence compressive strain in increases valence band offset, while tensile conduction which effectively reduces barrier enhances...

10.1143/jjap.50.04dj07 article EN Japanese Journal of Applied Physics 2011-04-01

All-Silicon Tunneling Field Effect Transistors (TFETs) with relatively high I <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">on</sub> values were fabricated by inserting an N <sup xmlns:xlink="http://www.w3.org/1999/xlink">+</sup> pocket between source and channel to achieve sharpening or steepening of the dopant profile. The source-side Dopant Profile Steepening Implant (DPSI) can be tuned engineer junction abruptness, boost lateral electric...

10.1109/snw.2010.5562594 article EN 2010-06-01

In this work, we demonstrate by simulation and experiment that the performance of a p+ Si0.5Ge0.5 source tunnel field-effect transistor (TFET) can be improved inserting an undoped Ge layer between channel. The suppresses diffusion boron into Si channel it also forms Si0.5Ge0.5/Ge/Si hole quantum well, leading to abrupt profile high concentration at edge. At Ge/Si heterojunction, presence compressive strain in increases valence band offset, while tensile conduction which effectively reduces...

10.7567/jjap.50.04dj07 article EN Japanese Journal of Applied Physics 2011-04-01

An FET has been integrated with a cavity-enclosed inverted stripline patch antenna. This low-cost microwave source operates at 5.69 GHz an output power of 57 mW. The half-power beamwidths in the E- and H-plane patterns are 46 64°, respectively. crosspolarisation level is nearly 20 dB down from maximum.

10.1049/el:19940463 article EN Electronics Letters 1994-04-14

The general theory for oscillator and mixer design is applied to develop an X-band self-mixing antenna. antenna uses a Gunn diode as the active device that provides oscillations operations. circuit slotline ring resonator frequency stabilization can be modified include varactor wide-band tuning. performance compared with theoretical results derived from simple transmission-line models. radiation patterns of are also those measured similarly configured passive Since radiated power serves...

10.1109/22.721163 article EN IEEE Transactions on Microwave Theory and Techniques 1998-01-01

A new concept for solid state wireless microwave power transmission is presented. 2.45 GHz rectenna element that was designed over 85% RF to DC conversion efficiency has been used oscillate at 3.3 with an approximate 1% efficiency. The radiation obtained from the same circuit by supplying output reverse polarity power.

10.1109/mwsym.1998.705199 article EN 2002-11-27

We report on the reduction of 1/f noise current by utilizing non-equilibrium carrier transport in AlInAs/InGaAs HBTs. A 10-dB equilibrium input density is obtained reducing base thickness from 100 nm to 70 mn for transistors with emitter dimensions 3/spl times/5 /spl mu/m/sup 2/. As result, a corner frequency 1.55 kHz obtained. This lowest amongst any compound semiconductor devices reported date.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML"...

10.1109/iedm.1993.347277 article EN 2002-12-30

A coplanar waveguide (CPW)-fed slotline ring resonator has been developed and integrated with varactor diodes to create an electronically tunable planar resonator. The can be tuned over a 23% bandwidth from 3.03 3.83 GHz 4.5+or-1.5-dB variation in insertion loss. wider tuning range obtained for greater loss variation. is truly planar, offering ground planes center conductor on one side of the substrate which allows easy series or shunt devices. Monolithic implementation accomplished without...

10.1109/mwsym.1992.188147 article EN 2003-01-02

A new type of active antenna appropriate for coupled Gunn oscillator driven spatial power combining arrays was developed. The uses a ring stabilized to slot antenna. circuit should be useful in communications, radar, and sensor systems.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

10.1109/75.401072 article EN IEEE Microwave and Guided Wave Letters 1995-01-01

A new uniplanar coplanar waveguide (CPW) magic-T and a reverse-phase CPW hybrid-ring coupler were developed. Both circuits provide good amplitude phase characteristics over broad bandwidth. Experimental results showed that the has one octave bandwidth from 2 to 4 GHz 60% 3.6 GHz.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

10.1109/mwsym.1994.335315 article EN 2002-12-17

In this paper, the preparation and properties of polyvinyl alcohol (PVA)/silver nanoparticles (AgNPs) composite nanofiber mask material were studied. Firstly, PVA spinning solution was prepared, nanofibers with different mass fractions (5 wt%, 7 8 9 wt% 11 wt%) prepared by electrospinning technology. The morphology observed under electron microscope, results showed that had best morphology. AgNPs (0.02 0.03 0.04 0.05 0.06 dispersed in pure water blended to prepare PVA/AgNPs electrospinning....

10.15251/djnb.2020.152.299 article EN cc-by Digest Journal of Nanomaterials and Biostructures 2020-04-01
Coming Soon ...