Xinqiang Pan
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View article: Depth Profiling of Defects in Crystal‐Ion‐Sliced Single‐Crystalline LiNbO <sub>3</sub> Thin Films With Bragg Reflector Structure
Depth Profiling of Defects in Crystal‐Ion‐Sliced Single‐Crystalline LiNbO <sub>3</sub> Thin Films With Bragg Reflector Structure Open
The single‐crystalline LiNbO 3 (LN) thin film with Bragg reflector structure can confine the acoustic wave energy to improve the performance of the acoustic devices, such as quality factor. Although single‐crystalline LN thin films fabrica…
View article: Achieving strength-ductility synergy in nano-particle/Al composites by activating stacking faults to alleviate interfacial stress concentration
Achieving strength-ductility synergy in nano-particle/Al composites by activating stacking faults to alleviate interfacial stress concentration Open
In aluminum matrix composites, stress concentration caused by dislocation pile-up between reinforcement and matrix during deformation is the primary reason for failure and fracture. Here, we utilized the high interfacial shear stress induc…
View article: Phenomenological Modeling on the Nonideal Factors of Memristor Based on Single-Crystalline LiNbO₃ Thin Film
Phenomenological Modeling on the Nonideal Factors of Memristor Based on Single-Crystalline LiNbO₃ Thin Film Open
As a novel device, memristors attracted great attention because of its potential in neural network computing. However, the nonideal factors of memristors, such as conductance drift and programming errors, limit their performance in practic…
View article: Effects of AlO<sub>x</sub> Sub‐Oxide Layer on Conductance Training of Passive Memristor for Neuromorphic Computing
Effects of AlO<sub>x</sub> Sub‐Oxide Layer on Conductance Training of Passive Memristor for Neuromorphic Computing Open
Memristors are recognized as crucial devices for the hardware implementation of neuromorphic computing. The conductance training process of memristors has a direct impact on the performance of neuromorphic computing. However, memristor bre…
View article: Modeling for High-Frequency Spurious Responses in Incredible High-Performance Surface Acoustic Wave Devices
Modeling for High-Frequency Spurious Responses in Incredible High-Performance Surface Acoustic Wave Devices Open
To ensure that surface acoustic wave (SAW) filters fulfill the requirements of Carrier Aggregation (CA) applications, the development of modeling tools that can forecast and simulate high-frequency spurious responses has been necessary. Th…
View article: An Infrared Near‐Sensor Reservoir Computing System Based on Large‐Dynamic‐Space Memristor with Tens of Thousands of States for Dynamic Gesture Perception
An Infrared Near‐Sensor Reservoir Computing System Based on Large‐Dynamic‐Space Memristor with Tens of Thousands of States for Dynamic Gesture Perception Open
To efficiently process the massive amount of sensor data, it is demanding to develop a new paradigm. Inspired by neurobiological systems, an infrared near‐senor reservoir computing (RC) system, consisting of infrared sensors and memristors…
View article: Designed Structures of Interdigital Electrodes for Thin Film SAW Devices
Designed Structures of Interdigital Electrodes for Thin Film SAW Devices Open
This paper studied the impact of the microstructure of interdigital electrodes on the performance of surface acoustic wave (SAW) resonators and proposed an innovative piston, dummy finger and tilt (PDT) structure, which was then applied to…
View article: Analog Ion‐Slicing LiNbO<sub>3</sub> Memristor Based on Hopping Transport for Neuromorphic Computing
Analog Ion‐Slicing LiNbO<sub>3</sub> Memristor Based on Hopping Transport for Neuromorphic Computing Open
Inspired by human brain, the emerging analog‐type memristor employed in neuromorphic computing systems has attracted tremendous interest. However, existing analog memristors are still far from accurate tuning of multiple conductance states…
View article: LiNbO3 Surface Acoustic Wave Resonators with Large Effective Electromechanical Coupling
LiNbO3 Surface Acoustic Wave Resonators with Large Effective Electromechanical Coupling Open
This paper reports an LNO surface acoustic wave (SAW) resonator based on a shear horizontal mode with high operating frequency over 3 GHz, large electromechanical coupling of 33.54%, Q factor of 380, and a relatively good figure of merit (…
View article: Dual functional states of working memory realized by memristor-based neural network
Dual functional states of working memory realized by memristor-based neural network Open
Working memory refers to the brain's ability to store and manipulate information for a short period. It is disputably considered to rely on two mechanisms: sustained neuronal firing, and “activity-silent” working memory. To develop a highl…
View article: Memristive Synapse Based on Single‐Crystalline LiNbO<sub>3</sub> Thin Film with Bioinspired Microstructure for Experience‐Based Dynamic Image Mask Generation
Memristive Synapse Based on Single‐Crystalline LiNbO<sub>3</sub> Thin Film with Bioinspired Microstructure for Experience‐Based Dynamic Image Mask Generation Open
One of the key steps toward constructing neuromorphic systems is to develop reliable bio‐realistic synaptic devices. Here, memristors based on single‐crystalline LiNbO 3 (SC‐LNO) thin film are fabricated as artificial synapses. A reservoir…
View article: Area Dependence of Effective Electromechanical Coupling Coefficient Induced by On-Chip Inductance in LiNbO3-Based BAW Resonators
Area Dependence of Effective Electromechanical Coupling Coefficient Induced by On-Chip Inductance in LiNbO3-Based BAW Resonators Open
To solve the problem of filter bandwidth in 5G communication, it is urgent to develop an acoustic resonator with a large effective electromechanical coupling coefficient (Keff2). In this paper, the dependence between the resonance area and…
View article: A Memristor‐Based Bioinspired Multimodal Sensory Memory System for Sensory Adaptation of Robots
A Memristor‐Based Bioinspired Multimodal Sensory Memory System for Sensory Adaptation of Robots Open
Sensory adaptation plays a critical role in humans interacting with the environment. Inspired by humans, realization of sensory adaptation on robots can make them adapt to the environment gradually. The gradual change of sensitivity that d…
View article: Resistive Switching Effects of Crystal‐Ion‐Slicing Fabricated LiNbO<sub>3</sub> Single Crystalline Thin Film on Flexible Polyimide Substrate (Adv. Electron. Mater. 9/2021)
Resistive Switching Effects of Crystal‐Ion‐Slicing Fabricated LiNbO<sub>3</sub> Single Crystalline Thin Film on Flexible Polyimide Substrate (Adv. Electron. Mater. 9/2021) Open
High-performance Flexible Memristor In article number 2100301 by Wenbo Luo, Xinqiang Pan, and co-workers, high-performance flexible memristor on polyimide substrate based on single crystalline LiNbO3 thin film using Crystal-ion-slicing tec…
View article: Spike‐Timing‐Dependent Plasticity in Memristors
Spike‐Timing‐Dependent Plasticity in Memristors Open
The spike‐timing‐dependent plasticity (STDP) characteristic of the memristor plays an important role in the development of neuromorphic network computing in the future. The STDP characteristics were observed in different memristors based o…
View article: Monolithic Pyroelectric Infrared Sensor Array with Porous SiO2 Film
Monolithic Pyroelectric Infrared Sensor Array with Porous SiO2 Film Open
A simple method to fabricate pyroelectric sensors array using standard semiconductor process on Silicon substrate was investigated.600 nm porous SiO 2 film was prepared by spin coating, working as ultra-thin thermal insulator.Good insulati…