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Congratulations to Christian who recently managed to defend his PhD thesis succesfully! Lots of thanks go to Urbana Champagne, Illinois, to André Schleife who supported Christians very advanced and elaborous optics simulations a lot. The thesis can be found online and parts of it were already published [bibcite key=wagner2016empirical,kolchuzhin2014system,wagner2012dft,wagner2012nanomechanics]. Continue reading
Tag Archives: DFT
Empirical transport model of strained CNT transistors used for sensor applications
Carbon nanotubes show electronic properties which are remarkably sensitive to mechanical strain. Thus, CNTs are expected to be promising candidates for nano scale strain sensors. Even more, they are discussed as a key component of future nano-opto-electro-mechanical systems (NOEMS).
Consequently, a comprehensive model for strained CNT transistors was recently published by Christian [bibcite key=wagner2016empirical]. Continue reading
Modeling the in situ repair of ULK dielectrics
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Ultra low-k dielectrics are one of the key components which allow for further shrinking of the the interconnect system used in todays semiconductor technology. During manufacturing steps such as trench etching the ULK material is degraded and some repair chemistry is required to restore its k-value. In a recent paper which appeared in Journal of Vacuum Science and technology [bibcite key=forster2015theoretical] Anja now modeled elementary steps of such an in-situ repair approach by using DFT calculations. Continue reading
Two contributions to MAM 2014 are now published in Micrelectronic Engineering
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Two contributions from the group are now published in a special issue of Microelectronics Engineering which contains original paper from the “Materials for advanced metallization conference 2014” held in Chemnitz, Germany. Continue reading
Metallic carbon nanotubes with metal contacts: electronic structure and transport
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Andreas managed to publish the main results of his PhD-thesis in a nanotechnology paper.[bibcite key=zienert2014metallic] The paper deals with the contact properties of metallic carbon nanotubes to several metals, which are of relevance for future carbon electronics. Continue reading