Semiconductors are solids with a band gap in their electronic structure. They can occur in the crystalline form like in Silicon or Gallium Arsenide, but also in other forms for example as organic semiconductors. The band gap of semiconductor materials results in special electronic and optical properties, which lead to many fascinating physical phenomena and make them attractive for many applications in electronics and optoelectronics. Examples for applications are devices in electronics like transistors, semiconductor lasers in the area of optoelectronics, and solar cells for renewable energy conversion. Semiconductors play also a vital role in key elements of quantum technology, for example as single-photon emitters. Questions in the semiconductor community aim at the analysis of structural, electronic and optical properties of semiconductors. Low-dimensional semiconductors like quantum dots and wires or monolayers of transition metal dichalcogenides are also of high interest, because these systems have tailored electronic and optical properties and a broad range of perspective applications.

The topics in the semiconductor division are:

• 2D semiconductors and van der Waals heterostructures
• Acoustic waves and nanomechanics
• Functional semiconductors for renewable energy solutions
• Heterostructures, interfaces and surfaces
• Lattice properties of semiconductors
• Materials and devices for quantum technology
• Nitrides: Devices
• Nitrides: Preparation and characterization
• Optical properties
• Organic semiconductors
• Oxide semiconductors
• Perovskite and photovoltaics
• Quantum dots and wires
• Quantum transport and quantum Hall effects
• Semiconductor lasers
• Semiconductors for quantum technologies
• Spin phenomena in semiconductors
• Thermal properties
• THz and MIR physics in semiconductors
• Transport properties
• Ultra-fast phenomena