A study on global and local optimization techniques for TCAD analysis tasks

Thomas Binder, Clemens Heitzinger, Siegfried Selberherr

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

We evaluate optimization techniques to reduce the necessary user interaction for inverse modeling applications as they are used in the technology computer-aided design field. Four optimization strategies are compared. Two well-known global optimization methods, simulated annealing and genetic optimization, a local gradient-based optimization strategy, and a combination of a local and a global method. We rate the applicability of each method in terms of the minimal achievable target value for a given number of simulation runs and in terms of the fastest convergence. A brief overview over the three used optimization algorithms is given. The optimization framework that is used to distribute the workload over a cluster of workstations is described. The actual comparison is achieved by means of an inverse modeling application that is performed for various settings of the optimization algorithms. All presented optimization algorithms are capable of evaluating several targets in parallel. The best optimization strategy that is found is used in the calibration of a model for silicon self-interstitial cluster formation and dissolution.

Original languageEnglish (US)
Pages (from-to)814-822
Number of pages9
JournalIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Volume23
Issue number6
DOIs
StatePublished - Jun 2004
Externally publishedYes

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Global optimization
Simulated annealing
Computer aided design
Dissolution
Calibration
Silicon

Keywords

  • Inverse modeling
  • Microelectronics
  • Optimization techniques
  • Semiconductors
  • Simulation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Hardware and Architecture
  • Computer Science Applications
  • Computational Theory and Mathematics

Cite this

A study on global and local optimization techniques for TCAD analysis tasks. / Binder, Thomas; Heitzinger, Clemens; Selberherr, Siegfried.

In: IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, Vol. 23, No. 6, 06.2004, p. 814-822.

Research output: Contribution to journalArticle

Binder, Thomas ; Heitzinger, Clemens ; Selberherr, Siegfried. / A study on global and local optimization techniques for TCAD analysis tasks. In: IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems. 2004 ; Vol. 23, No. 6. pp. 814-822.
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