Phd Student in Computational Scientist: Physical

vor 13 Stunden

Wien, Österreich Institut für Mikroelektronik, TU Wien Vollzeit

**_Research Topic: _**Physics-based modeling of Random Telegraph Noise in scaled technologies

So far, considerable work has been performed in the scientific community to understand this effect. However, many details about the nature of the traps causing RTN are still open. For instance, models exist to explain the intricate bias and temperature dependence of the measured RTN signals. However, features like the volatile behavior of defects cannot be explained by state-of-the-art models.

This work shall be dedicated to a high-performance analog process technology in 110nm structure size. First, a review and adoption of existing models for RTN will be done, including our defect-centric model based on the non-radiative multi-phonon theory. The thesis will also include the electrical characterization and measurement of MOS transistors, such as drain current measurements in the time and frequency domain, single defect spectroscopy, and DLTS. One goal is to identify the energy levels and the nature of the trap sites in the silicon oxide. A further goal is to determine the distribution of the RTN- related threshold voltage shifts as a function of the gate voltage bias and the size of the MOS transistors. The Institute of Microelectronics at the TU Wien, Vienna, has a high international renowned research group, which will support the PhD thesis from a theoretical point of view. The thesis will be supervised by a technical fellow at ams-Osram AG and by an academic supervisor of TU Wien.

**Desired Skills and Experiences**

For this position, considerable interest and existing in-depth knowledge in one or more of the following areas are advantageous to complement our team:

- Master Degree in Computational Science, Electrical Engineering, Physics, Applied Mathematics, or equivalent studies
- Profound knowledge of C++ under GNU/Linux
- Experience in semiconductor physics
- Team player, eager, and reliable
- Proactive and self-reliant
- Good knowledge of written and spoken English

**Starting Date**: Immediately. The position will remain open until filled.

**Application Deadline**: There is no particular deadline for applying, and it will be assigned on a first-come-first-serve basis.

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