基于NbOx的灵活值切换装置的应力诱导降解和恢复
Jia Min Ang1,2, Putu Andhita Dananjaya1, Calvin Ching Ian Ang1
1School of Physical and Mathematical Sciences, Nanyang Technological Univcersity, 21 Nanyang Link, Singapore, 637371, Singapore.
Scientific reports
|September 25, 2023
概括
在柔性基板上的氧化 (NbOx) 选择器装置在应力下呈现降解,但在回火后恢复. 这证明了它们在具有耐用性和耐久性高的灵活电子产品中的潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 电气工程 电气工程
- 纳米技术纳米技术
背景情况:
- 灵活的电子产品需要坚固的组件,能够承受机械应力.
- 基于氧化 (NbOx) 的设备对下一代电子应用具有前景.
- 了解应力下降解机制对于设备可靠性至关重要.
研究的目的:
- 研究NbOx选择器设备在循环应变下在柔性基板上的功能和故障机制.
- 通过降解后化来探索应力NbOx设备的回收潜力.
- 阐明控制机械应力和回火后切换行为的潜在物理机制.
主要方法:
- 在柔性基板上制造和测试NbOx选择器件.
- 循环拉伸和压缩应变的应用以诱导降解.
- 降解后回火过程,以评估设备回收.
- 使用普尔 - 弗伦克尔机制配件分析设备切换行为.
主要成果:
- 循环拉伸应变导致膜裂纹,原因是原子排列被破坏.
- 循环压缩应变导致曲脱层.
- 化后应变诱导的降解导致设备恢复,降低值和保持电压.
- 普尔 - 弗伦克尔配件提供了关于变压和回火后切换机制的见解.
- 设备在循环曲应变下表现出高耐久性 (10^5周期).
结论:
- NbOx选择器设备显示出灵活的电子应用的巨大潜力.
- 机械应变会导致NbOx薄膜的特定故障模式 (裂,分层).
- 化提供了一种有效的方法,可以在应变引起的退化后恢复设备的功能.
- 该研究提供了对机械应力和恢复途径下的NbOx设备行为的基本理解.
更多相关视频
08:43Effect of Bending on the Electrical Characteristics of Flexible Organic Single Crystal-based Field-effect Transistors
Published on: November 7, 2016
8.1K
09:26In Situ Time-dependent Dielectric Breakdown in the Transmission Electron Microscope: A Possibility to Understand the Failure Mechanism in Microelectronic Devices
Published on: June 26, 2015
8.8K
相关概念视频
01:22Switching of BJT
443
Switching behavior in Bipolar Junction Transistors (BJTs) is a fundamental aspect utilized in various electronic circuits, particularly for digital logic applications like switches and amplifiers. In a typical switching circuit, a BJT alternates between cut-off and saturation modes, corresponding to the "off" and "on" states, respectively, thus behaving like an ideal switch.
Cut-off Mode ("Off" State): In this state, both the emitter-base and collector-base junctions are...
Cut-off Mode ("Off" State): In this state, both the emitter-base and collector-base junctions are...
443
01:21Plastic Behavior
218
A material's elastic behavior is characterized by the disappearance of stress once the load is removed, allowing the material to return to its original state. However, when stress surpasses the yield point, yielding commences, marking the onset of plastic deformation or permanent set. This change from elastic to plastic behavior is influenced by the peak stress value and the duration before the load is removed. An intriguing observation occurs when a specimen is loaded, unloaded, and...
218
01:22Biasing of FET
305
Biasing a Junction Field Effect Transistor (JFET) is crucial for setting operational parameters and ensuring efficient functioning in electronic circuits. JFETs are characterized by using a single carrier type in N-channel or P-channel configurations, where the channel is surrounded by PN junctions. These junctions are central to the device's ability to control current flow.
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...
305
01:25Multimachine Stability
180
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
180
01:26Reclosers and Fuses
124
Automatic circuit reclosers enhance the protection of distribution circuits by interrupting and auto-reclosing an AC circuit according to a preset sequence. They effectively manage temporary faults on overhead distribution lines, often caused by tree limbs or wildlife, by briefly disrupting service to improve overall reliability. However, contact with reclosers or energized broken conductors on the ground can pose serious hazards.
A comprehensive protection scheme for radial distribution...
A comprehensive protection scheme for radial distribution...
124
01:23Insulation Coordination
167
Insulation coordination is the process of matching electric equipment's insulation strength with protective device characteristics to protect the equipment against expected overvoltages. This selection is based on engineering judgment and cost. Equipment can generally withstand short-duration high transient overvoltages, but repeated tests with identical waveforms can yield inconsistent results. As a result, standard impulse voltage waveforms are used for testing, defined by specific times...
167