在GaN-HEMT MOSFETs中进行核反应转换兴奋剂
Rijin N T1, Dinesh Kumar1, M M Musthafa2
1Department of Physics, School of Sciences, Jain University, Bangalore 560069, India.
概括
化高电子移动性晶体管 (GaN-HEMT) 的α诱导的兴奋剂导致了显著的n型兴奋剂. 和同位素被确定为关键的兴奋剂,影响半导体特性.
科学领域:
- 材料科学 材料科学 材料科学
- 核物理 核物理 核物理
- 半导体物理 半导体物理
背景情况:
- 化高电子移动性晶体管 (GaN-HEMT) 对高频和高功率电子非常重要.
- 兴奋剂对于定制GaN等半导体的电特性至关重要.
- 了解剂物种和度对于优化设备性能至关重要.
研究的目的:
- 为了调查GaN-HEMT中的α诱导兴奋剂.
- 为了识别和量化由α粒子辐射引入的n型和p型兴奋剂.
- 通过核反应模拟,理论上建模了多潘特种群.
主要方法:
- 用45 MeV的α光束对GaN-HEMT进行辐射.
- 核反应诱导活动的分析,以识别和量化dopants.
- 使用TALYS-1.96模型进行核反应的理论模拟.
主要成果:
- 观察到大量的 (Ge) 和 (As) 同位素.
- 这些同位素在GaN-HEMT半导体中导致强烈的n型兴奋剂.
- 该TALYS-1.96模型准确地重现了实验性剂群体和估计的非放射性剂.
结论:
- 阿尔法诱导的兴奋剂是将n型兴奋剂引入GaN-HEMT的有效方法.
- Ge和As被确定为主要的兴奋剂,有助于n型导电性.
- 核反应建模提供了一种可靠的方法,用于预测辐射半导体中的多特征.
相关概念视频
MOSFET: Enhancement Mode
303
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
303
MOSFET: Depletion Mode
330
Depletion-mode MOSFETs represent a unique subset of MOSFET technology, functioning fundamentally differently from their enhancement-mode counterparts. Unlike enhancement MOSFETs, which require a positive gate-source voltage (Vgs) to turn on, depletion-mode MOSFETs are inherently conductive and "normally on" devices.
The primary characteristic of depletion-mode MOSFETs is their ability to conduct current between the drain and source terminals without gate bias. This inherent conductivity...
The primary characteristic of depletion-mode MOSFETs is their ability to conduct current between the drain and source terminals without gate bias. This inherent conductivity...
330
MOSFET
433
The Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) plays a pivotal role in modern electronics thanks to its versatility and efficiency in controlling electrical currents. This device, also known as IGFET, MISFET, and MOSFET, has three main terminals: the Source, Drain, and Gate. MOSFETs are classified into n-channel or p-channel types based on the doping characteristics of their substrate and the source or drain regions.
In an n-MOSFET, the structure includes n-type source and drain...
In an n-MOSFET, the structure includes n-type source and drain...
433
Nuclear Transmutation
17.5K
Nuclear transmutation is the conversion of one nuclide into another. It can occur by the radioactive decay of a nucleus, or the reaction of a nucleus with another particle. The first manmade nucleus was produced in Ernest Rutherford’s laboratory in 1919 by a transmutation reaction, the bombardment of one type of nuclei with other nuclei or with neutrons. Rutherford bombarded nitrogen-14 atoms with high-speed α particles from a natural radioactive isotope of radium and observed...
17.5K
MOS Capacitor
733
A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
733
Field Effect Transistor
338
Field-effect transistors (FETs) are integral to electronic circuits and distinguished by their three-terminal setup: the gate, drain, and source. These transistors operate as unipolar devices, which utilize either electrons or holes as charge carriers, in contrast to bipolar transistors, which use both types of carriers. The primary function of the FET is to modulate the flow of these carriers from the source to the drain through a channel. The voltage difference between the gate and source...
338


