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Peter Grünberg Institute
Semiconductor Nanoelectronics (PGI-9)
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pole figure plots around the (105) reflection of Bi2Te3.
Suppression of twin domains in topological insulators
Topological insulators (Tis), such as Bi2Te3, have raised a great deal of attention because of their fascinating properties. Tis are insulators in bulk, but they have topologically protected surface states with a linear energy dispersion. Owing to the linear energy states, surface carriers are regarded quasi-relativistic particles, which may travel dissipationlessly across the surfaces with a spin-locked momentum.
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InAs-Nanowire

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Semiconductor nanowires can be formed directly by using the so-called bottom-up approach. In contrast to the usual top-down method where optical or electron beam lithography is employed, this approach has the potential to simply the fabrication of low-dimensional semiconductor nanostructures enormously. More: Research Topic …

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What alternatives are there to present computers based on crystals of silicon or other semiconductors? What is – from a physical point of view – the smallest possible device that can be used to perform computational processes? Is there a minimum amount of energy required for floating point operations?
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Three students attending the JARA FIT labcourse dressed in a cleanroom overall

JARA FIT Lab Course

Students are invited to participate in the JARA-FIT Lab Course Nanoelectronics. The goal of the practical course is to advance students to current research topics from nano-electronics. Therefore selected experiments take place at genuine research equipments. More: JARA FIT Lab Course …


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