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Generalized Monte Carlo Tool for Investigating Low-Field and High Field Properties of Materials Using Non-parabolic Band Structure Model.

机译：使用非抛物线能带结构模型研究材料的低场和高场特性的通用蒙特卡洛工具。

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摘要

In semiconductor physics, many properties or phenomena of materials can be brought to light through certain changes in the materials. Having a tool to define new material properties so as to highlight certain phenomena greatly increases the ability to understand that phenomena. The generalized Monte Carlo tool allows the user to do that by keeping every parameter used to define a material, within the non-parabolic band approximation, a variable in the control of the user. A material is defined by defining its valleys, energies, valley effective masses and their directions. The types of scattering to be included can also be chosen. The non-parabolic band structure model is used.;With the deployment of the generalized Monte Carlo tool onto www.nanoHUB.org the tool will be available to users around the world. This makes it a very useful educational tool that can be incorporated into curriculums. The tool is integrated with Rappture, to allow user-friendly access of the tool. The user can freely define a material in an easy systematic way without having to worry about the coding involved. The output results are automatically graphed and since the code incorporates an analytic band structure model, it is relatively fast.;The versatility of the tool has been investigated and has produced results closely matching the experimental values for some common materials. The tool has been uploaded onto www.nanoHUB.org by integrating it with the Rappture interface. By using Rappture as the user interface, one can easily make changes to the current parameter sets to obtain even more accurate results.
机译：在半导体物理学中，可以通过材料的某些变化来揭示材料的许多特性或现象。拥有定义新材料特性以突出某些现象的工具，可以大大提高理解该现象的能力。通用的蒙特卡洛工具允许用户通过在非抛物线近似范围内保留用于定义材料的每个参数，来控制用户的变量。通过定义其谷值，能量，谷值有效质量及其方向来定义材料。也可以选择要包括的散射类型。使用非抛物线能带结构模型。;随着将通用蒙特卡洛工具部署到www.nanoHUB.org上，该工具将可供世界各地的用户使用。这使它成为可以纳入课程表的非常有用的教育工具。该工具与Rappture集成在一起，以允许用户友好地访问该工具。用户可以轻松，系统地自由定义材料，而不必担心所涉及的编码。输出结果会自动绘制成图形，并且由于代码中包含了解析的能带结构模型，因此速度相对较快。；已经研究了该工具的多功能性，并得出了与某些常用材料的实验值非常匹配的结果。该工具已与Rappture界面集成，已上传到www.nanoHUB.org。通过使用Rappture作为用户界面，可以轻松更改当前参数集以获得更准确的结果。

著录项

  • 作者

    Hathwar, Raghuraj.;

  • 作者单位

    Arizona State University.;

  • 授予单位 Arizona State University.;
  • 学科 Engineering Electronics and Electrical.;Engineering Materials Science.
  • 学位 M.S.
  • 年度 2011
  • 页码 75 p.
  • 总页数 75
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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