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Peter Grünberg Institute
Semiconductor Nanoelectronics (PGI-9)

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Topological Insulators
Topological insulators: shedding light on parallel transport channels
Multi-tip STM is used to reveal detailed transport properties of thin films of the promising topological insulator (TI) material BiSbTe3. To study the electronic and transport properties of BiSbTe3 films, scientists from the PGI-3, PGI-6, and PGI-9 institutes at Forschungszentrum Jülich combined angle-resolved photoemission spectroscopy and gated four-tip scanning tunneling microscopy was conducted, gaining access to a comprehensive picture of the transport.
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Research Topic

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 …



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?

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 …