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Effect of interfacial oxide on Ge MOSCAP and N-MOSFET characteristics

机译:界面氧化物对Ge MOSCAP和N-MOSFET特性的影响

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摘要

The effect of electrical quality of interfacial oxide on Ge MOSCAP and MOSFET characteristics is investigated. Different growth conditions are studied to optimize the interfacial layer. CV and D_(it) measurements are done for accurate comparison of different gate dielectric stacks. Optimized ozone oxidation process is integrated with Co-induced dopant activation to fabricate Ge N-MOSFETs. Forty percent improvement in inversion electron mobility is demonstrated with optimized GeO_2 passivation. The highest electron mobility is reported in bulk Ge N-MOSFETs with GeO_2/Al_2O_3 gate dielectric stack.
机译:研究了界面氧化物的电学性质对Ge MOSCAP和MOSFET特性的影响。研究了不同的生长条件以优化界面层。进行CV和D_(it)测量是为了准确比较不同的栅极电介质叠层。优化的臭氧氧化工艺与Co诱导的掺杂剂活化相集成,以制造Ge N-MOSFET。通过优化的GeO_2钝化,可以证明反电子迁移率提高了40%。在具有GeO_2 / Al_2O_3栅极电介质堆叠的体Ge N N-MOSFET中,据报道,电子迁移率最高。

著录项

  • 来源
    《Microelectronic Engineering》 |2011年第12期|p.3428-3431|共4页
  • 作者单位

    Center of Integrated Systems, Stanford University, Stanford, CA 94305, United States;

    Center of Integrated Systems, Stanford University, Stanford, CA 94305, United States,Department of Electronics and Radio Engineering, College of Electronics and Information, Kyung Hee University, 446-701, Korea;

    Center of Integrated Systems, Stanford University, Stanford, CA 94305, United States,Intel Corporation, Santa Clara, CA, United States;

    Center of Integrated Systems, Stanford University, Stanford, CA 94305, United States;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    germanium; MOSCAP; MOSFET; gate dielectric; interface passivation; ozone oxidation;

    机译:锗;MOSCAP;MOSFET;栅极电介质界面钝化;臭氧氧化;

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