诚求 关于IGBT 3000字的英文文献 要求有中文翻译的

IGBT(Insulated Gate Bipolar Transistor)，绝缘栅双极型晶体管，是由BJT(双极型三极管)和MOS(绝缘栅型场效应管)组成的复合全控型电压驱动式功率半导体器件, 兼有MOSFET的高输入阻抗和GTR的低导通压降两方面的优点。GTR饱和压降低，载流密度大，但驱动电流较大MOSFET驱动功率很小，开关速度快，但导通压降大，载流密度小。IGBT综合了以上两种器件的优点，驱动功率小而饱和压降低。非常适合应用于直流电压为600V及以上的变流系统如交流电机、变频器、开关电源、照明电路、牵引传动等领域。

IGBT (Insulated Gate Bipolar Transistor), insulated gate bipolar transistor, is a BJT (bipolar transistor) and MOS (insulated gate FET) composite full-controlled voltage-driven power semiconductor devices, both MOSFET GTR high input impedance and low conduction voltage drop of both worlds. GTR saturated pressure drop, the carrier density, but the drive current is largerMOSFET drive power is small, fast switching speed, but the conduction voltage drop large carrier density. IGBT combines the advantages of these two devices, drive power is small and saturated pressure drop. Very suitable for DC voltage of 600V and above converter systems such as AC motor, inverter, switching power supply, electric lighting

手性纳米光子界面Chiral nanophotonic interfaces，能够实现导向光学模式和圆形二向色材料之间传播方向相关的相互作用。界面手性的电调谐，将有助于片上光电和光子电路主动、可切换非互易性，但仍然极具挑战。

近日，美国 芝加哥大学 Alexander A. High团队在Nature Photonics上发文，报道了在原子薄单层二硒化钨tungsten diselenide（WSe2）纳米光子界面中的电可控手性。二氧化钛波导直接制作在低无序氮化硼封装的WSe2表面上。在积分之后，从激子态到波导中的光致发光，可以在平衡发射和定向偏置发射之间电切换。工作原理利用了WSe2中激子态掺杂相关的谷极化。此外，纳米光子波导,可以用作扩散激子通量的近场源，其显示从界面手性继承的谷和自旋极化。这种多功能制造方法，使光子学与范德瓦尔斯异质结构的确定性集成成为可能，并可提供对其激子和电荷载流子行为的光学控制。

Electrically controllable chirality in a nanophotonic interface with a two-dimensional semiconductor

二维半导体的纳米光子界面中的电控手性。

图2：界面静电调谐。

图3：谷极化的栅极依赖性。

图4：谷（自旋）极化激子通量的光子泵浦。

该项研究演示了与六方氮化硼hexagonal boron nitride,hBN封装的、电门控WSe2单层连接的光子波导。界面表现出从0%到20%电可调手性-定向耦合效率chiral–directional coupling efficiency，CDCE，并通过近场激发产生谷（自旋）极化激子通量。

除了线性波导，多功能纳米光子制造方法，可以将过渡金属硫化物TMDCs与更复杂的光子结构连接，其中器件几何形状和尺寸仅，受先进光刻技术限制，使光子环调制器和干涉仪，以及光子晶体中的激子-极化激元成为可能。

结合二维材料大面积生长、剥离和组装的最新进展，这将提高异质结构产量和可扩展性，超越目前限制，这项工作，为其与纳米光子电路的确定性、晶圆级集成，建立了一个通用平台。

重要的是，该界面的可调手性（以前在其他手性光学界面中无法获得）依赖于过渡金属硫化物TMDC单层中激子态掺杂相关的谷动力学。多层和扭曲的范德瓦尔斯异质结构，展示了设计的、奇异的谷特性，也可以与这种波导界面相结合，用于额外手性功能，如栅极可逆发射路由，并提供基于二维材料的新光子逻辑和控制方案。

此外，原子薄半导体中，激子扩散的纳米光子驱动，在分布式光子元件和局部激子电路之间建立了一座桥梁。此外，通过手性过渡金属硫化物TMDC–光子界面的近场光泵浦，可用于产生单层中驻留电荷载流子的自旋极化。这种光学制备的自旋极化电子态，对载流子掺杂水平敏感，可以打破界面时间反演对称性，实现集成纳米光子结构中的栅极激活全光非互易性。

文献链接：https://www.nature.com/articles/s41566-022-00971-7

DOI: https://doi.org/10.1038/s41566-022-00971-7

本文译自Nature。

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