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MOSFET: Enhancement Mode01:22

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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...
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Updated: May 6, 2026

Ohmic Contact Fabrication Using a Focused-ion Beam Technique and Electrical Characterization for Layer Semiconductor Nanostructures
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超光滑的Ge/Mo2C多层,在46.5nm处具有较低的接口扩散.

Pingxu Wang, Qian Liu, Hanlin Wang

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    |November 11, 2025
    PubMed
    概括
    此摘要是机器生成的。

    一个新的/碳化物多层镜子为在46.5nm的太阳观测提供了高稳定性. 这种替代反应性基于的镜子的替代方案可以为敏感的太空有效载荷提供更长的寿命.

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    科学领域:

    • 材料科学 材料科学 材料科学
    • 光学工程是指光学工程.
    • 天体物理学 天体物理学

    背景情况:

    • 基于的多层是46.5纳米太阳观测的标准,但由于化学反应和有限的稳定性而受到影响.
    • 的反应性对光学仪器的长期性能和可靠性构成风险.

    研究的目的:

    • 开发一款具有增强稳定性和寿命的新型多层镜子,用于在46.5nm的太阳观测.
    • 为了研究/碳化物 (Ge/Mo2C) 作为一种潜在的替代方案,以斯堪迪为基础的镜子.

    主要方法:

    • 制造一个Ge/Mo2C多层结构与一个种子层.
    • 界面扩散和根-平方平均 (RMS) 表面粗度的表征.
    • 在 46.5 nm 的反射率测量.

    主要成果:

    • 基种层改善了湿,导致界面扩散率低 (0.8 nm) 和表面粗度低 (0.18 nm RMS).
    • 多层Ge/Mo2C在46.5nm时实现了30.3%的高反射率.
    • 分析了Mo2C纳米晶体的产生和影响.

    结论:

    • Ge/Mo2C多层显示出卓越的稳定性和对太空应用的有希望的长寿命.
    • 这两种材料对是EUV光学系统的强有力的候选者,它们在46.5nm运行.
    • 该研究解决了基于Sc的镜子在极端紫外线光学中的局限性.