- 2D Materials and Applications
- Nanoparticle-Based Drug Delivery
- Ferroelectric and Negative Capacitance Devices
- Semiconductor materials and devices
- Advanced Memory and Neural Computing
- Dendrimers and Hyperbranched Polymers
- Graphene research and applications
- RNA Interference and Gene Delivery
- Nanoplatforms for cancer theranostics
- Transition Metal Oxide Nanomaterials
- Neuroscience and Neural Engineering
- Photoreceptor and optogenetics research
- Advanced Sensor and Energy Harvesting Materials
- Perovskite Materials and Applications
- Advancements in Semiconductor Devices and Circuit Design
- Wireless Communication Networks Research
- Wireless Networks and Protocols
- Modular Robots and Swarm Intelligence
- Organic Electronics and Photovoltaics
- Photodynamic Therapy Research Studies
- Microwave Engineering and Waveguides
- Advanced Thermoelectric Materials and Devices
- Interconnection Networks and Systems
- Carbon Nanotubes in Composites
- Semiconductor materials and interfaces
Chinese University of Hong Kong
2024
China Pharmaceutical University
2018-2022
Beijing University of Posts and Telecommunications
2009-2021
University of Florida
2014-2020
Zhongshan Hospital
2020
Case Western Reserve University
2019
National Science Library
2019
Nanjing Library
2018
Abstract The morphology and dimension of the conductive filament formed in a memristive device are strongly influenced by thickness its switching medium layer. Aggressive scaling this active layer is critical toward reducing operating current, voltage, energy consumption filamentary‐type memristors. Previously, has been limited to above few nanometers due processing constraints, making it challenging further suppress on‐state current voltage. Here, formation filaments material with...
The discovery of two-dimensional (2D) materials comes at a time when computational methods are mature and can predict novel 2D materials, characterize their properties, guide the design for applications. This article reviews recent progress in approaches research. We discuss techniques provide an overview ongoing research field. begin with known common methods, available cyber infrastructures. then move onto discussing stability criteria structure prediction, interactions monolayers...
Ballistic device performance of monolayer black phosphorous (BP) field-effect transistors (FET) is investigated in this work. Due to the anisotropic effect mass carriers, ON-state current dependent on transport direction. The effective masses are lower "armchair" direction which provides higher drive at same biasing. degree anisotropy for holes, improves p-type devices. intrinsic delay 20 nm BP FETs range 50 fs ON-/OFF-current ratio 4 orders. Monolayer outperform both MoS$_2$ and Si n-...
A simple model of negative capacitance (NC) MOSFETs is presented. The treats 2-D electrostatic effects, and the ballistic to diffusive transport regimes. It shows quantitative agreement with numerical device simulations based on a self-consistent solution Poisson equation quantum nonequilibrium Green's function formalism, for an NC MOSFET structure without internal floating gate. can accurately describe reverse drain-induced barrier lowering (DIBL) output differential conductance (NDC)...
Direct integration of a vertical organic field-effect transistor (VOFET) and an optoelectronic device offers single stacked, low power VOFET with high aperture ratios. However, functional could not be realized because the difficulty in fabricating transparent source gate electrodes. Here, we report on/off ratio up to 10(5) as well output current saturation by capacitor consisting perforated indium tin oxide (ITO) electrode, HfO2 dielectric, ITO electrode. Effects pore size depth within...
Local and metastatic relapses of prostate cancer often occur following attempted curative resection the primary tumor, up to 66% local recurrences are associated with positive margins. Therefore, technologies that can improve visualization tumor margins adjuvant therapies ablate remaining tissues needed during surgical adenocarcinoma. Photodynamic agents have potential combine both fluorescence for image-guided surgery (IGS) photodynamic therapy (PDT) resect cells. The objective this study...
Ferroelectric tunnel junctions (FTJs) have been intensively explored for future low power data storage and information processing applications. Among various ferroelectric (FE) materials studied, HfO2 H0.5Zr0.5O2 (HZO) the advantage of CMOS process compatibility. The validity simple effective mass approximation, describing tunneling in these materials, is examined by computing complex band structure from ab initio simulations. results show that approximation insufficient to describe current...
2-D transition metal dichalcogenide (TMDC) FETs are promising devices for scaling beyond end of silicon CMOS nanoelectronics. By solving the quantum transport equation self-consistently with Poisson equation, we explore performance potential TMDC a gate length in sub-5-nm scale. The results show that designs spacer and underlap doping play an important role device characteristics performance. Both high-frequency digital electronics investigated. We intrinsic cutoff frequency increases as...
Reducing the energy and power dissipation of conductive bridge random access memory (CBRAM) cells is critical importance for their applications in future Internet Things (IoT) device neuromorphic computing platforms. Atomically thin CBRAMs enabled by 2-D materials are studied theoretically using 3-D kinetic Monte Carlo simulations together with experimental characterization. The results indicate performance potential attoJoule intrinsic filament formation a size single atomistic chain such...
A synthetic method for preparing a Pluronic F127 (F127)-stabilized graphene (GO) supramolecular hydrogel as safe nanovehicle combination treatment has been studied. Doxorubicin (DOX) model drug is non-covalently bound on the great surface area of GO due to strong π-π interaction, hydrophobic and strongest hydrogen bonding. In vitro release experiments revealed that this F127-stabilized sustained characteristic. Furthermore, showed better in antitumor ability under NIR (near infrared) laser...
Tumor microenvironment (TME) responsive polymeric micelles are promising carriers for drug delivery. In order to meet the needs of various applications, multifarious TME-responsive switches used construct smart micelles, which causes complexity and corpulence micelle system increases difficulty preparation. this study, we designed synthesized an ingenious switch through grafting disulfide bond-modified piperidinepropionic acid (CPA) on copolymer poly(ethylene...
Low contact resistance to 2-D semiconductor materials plays a critical role on their device applications. It has been experimentally demonstrated recently that the crystalline phase homojunctions between 1T' metallic and 2H semiconducting phases of transition metal dichacolgenide (TMDC) can be formed by variety fabrication techniques. A multiscale simulation approach integrates atomistic ab initio simulations with quantum transport calculations based nonequilibrium Green's function formalism...
Tactile sensor developments have been seen in the past years. The flexible and soft type of these sensors became popular due to their capability ensure safe physical interactions with humans. This paper presents a force-sensitive sealed packet that can detect normal force acting on its surface. Our used poly(3,4 ethylenedioxythiophene):poly(styrene sulfonate) or PEDOT:PSS liquid binder form conductive mixture put it inside thin plastic. One notable difference between our proposed other...
The morphology and dimension of the conductive filament formed in a memristive device are strongly influenced by thickness its switching medium layer. Aggressive scaling this active layer is critical towards reducing operating current, voltage energy consumption filamentary type memristors. Previously, has been limited to above few nanometers due processing constraints, making it challenging further suppress on-state current voltage. Here, we study formation filaments material with...
Experimental results indicate that the conventional program suspend scheme in 3D NAND flash memory chip can generate unexpected additional read fail bits and reduce reliability of memory. These extra are observed when command is issued during stage, particularly, they become more obvious as delay time between operation other following operations exceeds tens milliseconds. By analyzing waveform scheme, it suggested caused by different occupancy grain boundary traps (GBTs) polycrystalline...
In GSM network, half-rate is a method of carrying traffic and an optimization technology wireless network which can expand the capacity by reasonably adjusting rate. This paper puts emphasis on theoretical study threshold from perspective capacity, makes improvement model communication. Based such improvement, this analyzes calculation system in different setting optimal threshold.
Graphene has been extensively studied as highly flexible and optically transparent contacts in semiconductor devices, such photodetectors, solar cells, light emitting transistors. A Schottky barrier forms at the interface between graphene semiconductor, whose height an exponential impact on current. In this work, image-charge-induced lowering (BL) graphene-semiconductor is examined compared to that metal contacts. The results show despite being a semimetal with vanishing density-of-states...
Name authority is a common issue in digital library. This paper mainly summarizes the practice of constructing name database based on multi-source data NSTL. Firstly, we load, integrate different source and convert them into unified structure. Then, extract scientific entities relationships from these data, according to metadata model. For entities, use disambiguation rules algorithms. As result, have constructed author database, institution journal fund database. Compared with Incites,...
Abstract Smart polymers as ideal drug nanocarriers have attracted much attention due to the effective delivery, internalization and release once triggered by intracellular stimuli, well reduced cytotoxicity. We here reported anionic micelle consisting of copolymer (PEG-b-PAsp) a PBE(Phenylboronic Ester) group grafted, which can achieve fast response ROS enhanced anti-tuomr activity. With this, PEG-b-PAsp-g-PBE/DOX system showed better tumor growth inhibition when studied on HeLa cell lines...
Abstract Metal-containing nanomaterials have attracted substantial research efforts due to their rich compositional and structural diversity as well the broad possible applications. However, most metal-containing are normally only used new delivery vehicles in field of biomedicine but do not possess biologically activity by itself. Herein, we modified dendritic polyethylene glycol on one folate-nickel nanotube fabricate a new-type PEG-FA-Ni NTs. We found NTs exhibited excellent vitro vivo...
This paper presents the design of a 6-bit Ku-Band phase shifter implemented in 0.13um CMOS technology. The RC polyphase filter and inductors are used as load differential amplifier to achieve high gain shifter. And it can suppress error IQ signal caused by non-ideal this function is verified simulation. whole adopts actual components based on results show that maximum rms errors 3° 0.46 dB for 64 states at 10-20 GHz. voltage exceeds 11dB 15GHz.