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All publications from Fraunhofer-Institut für Angewandte Festkörperphysik IAF

4-inch GaN-on-SiC wafer of Fraunhofer IAF's GaN07 technology. The wafers are fully manufactured and tested in-house in the Fraunhofer IAF semiconductor line, including design, epitaxy, wafer processing, and characterization. © Fraunhofer IAF / Frontside processed 4-inch GaN-on-SiC wafer of Fraunhofer IAF's GaN07 technology. The wafers are completely fabricated and tested in Fraunhofer IAF's III-V process line, including design and fabrication of processing mask sets, epitaxy, wafer processing, and characterization. © Fraunhofer IAF

11.09.2025
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Know How, Institute

EuMW 2025: Fraunhofer IAF presents 70 nm GaN transistor for high-throughput satellites

Semiconductor technology for broadband satellite communications achieves record efficiency

Researchers at Fraunhofer IAF have developed a GaN transistor technology with a gate length of 70 nm that achieves record efficiency values under typical satellite conditions. In the future, this technology aims to enable compact active antennas for high-bitrate data transfers in the Ka, Q, and W-ba…

The compact integrated quantum magnetometer is based on nitrogen vacancies (NV) in diamond and offers new application possibilities in biomedicine, materials testing, navigation, and geology. © Fraunhofer IAF / The compact quantum magnetometer is based on nitrogen vacancies (NV) in diamond and offers new applications in biomedicine, materials testing, navigation, and geology. © Fraunhofer IAF

21.06.2025
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Devices

Miniaturized quantum magnetometer offers new measurement possibilities for a wide range of applications

Fraunhofer IAF is presenting the latest version of its compact integrated quantum magnetometer. The diamond-based system is characterized by its robustness, high integration density, and state-of-the-art measurement sensitivity. Thanks to its easy calibration, high sensitivity of a few picotesla, an…

The measurement examples come from the fields of biomedicine, micro- and nanoelectronics, and materials testing. © Fraunhofer IAF / The measurement examples range from biomedical, micro- and nanoelectronics, and materials testing. © Fraunhofer IAF

The individual measurement results show that quantum magnetometers can make magnetic field distributions visible at the nanoscale. © Fraunhofer IAF

The evaluation of the measurement results provides important information about the benefits and advantages of quantum sensors in industrial applications. © Fraunhofer IAF

08.02.2025
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Science

Research transfer of quantum technologies to industry

Fraunhofer IAF Launches Virtual Application Lab for Quantum Sensing

To promote the use of quantum sensors in industry, Fraunhofer IAF has developed a virtual application laboratory for quantum sensing. This innovative information platform provides comprehensive technical knowledge about quantum magnetometers, applications, and measurement scenarios. It also allows i…

State Secretary Dr. Patrick Rapp (r.), Ministry of Economic Affairs, Labour and Tourism, presents the institute management of Fraunhofer IAF, Dr. Patricie Merkert (m.) and Prof. Dr. Rüdiger Quay (l.), with the symbolic check for the funding amount of 4.35 million euros. © Fraunhofer IAF / State Secretary Dr. Patrick Rapp, Ministry of Economic Affairs, Labour and Tourism, hands over the symbolic cheque for the funding amount of 4.35 million euros to the institute management of Fraunhofer IAF, Dr. Patricie Merkert and Prof. Dr. Rüdiger Quay. © Fraunhofer IAF

After handing over the cheque, State Secretary Dr. Patrick Rapp discusses the APECS pilot line and the planned activities of Fraunhofer IAF on site. © Fraunhofer IAF

As part of the APECS pilot line, the area of dry etching technology in the Fraunhofer IAF clean room for 6'' wafers is being expanded. © Fraunhofer IAF

Post-CMOS pressure sensor chiplets with wafer-level packaging before dicing. © Fraunhofer ISIT

19.12.2024
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Know How, Institute

Baden-Württemberg contributes 4.35 million euros in funding as part of the EU Chips Act

Fraunhofer IAF expands technology capabilities for chiplet innovations within the APECS pilot line

Fraunhofer IAF is expanding its technological capabilities in the field of III-V compound semiconductors, making a valuable contribution to the development of the APECS pilot line within the framework of the EU Chips Act. The Baden-Württemberg Ministry of Economic Affairs, Labour and Tourism is con…

Researchers at Fraunhofer IAF have succeeded in growing AlYN/GaN heterostructures in a MOCVD reactor on 4-inch SiC substrates. © Fraunhofer IAF

The different color nuances of the AlYN/GaN wafers result from different yttrium concentrations and growth conditions. © Fraunhofer IAF

With their work on the epitaxy and characterization of AlYN/GaN heterostructures, the Fraunhofer IAF research team achieved a breakthrough in the field of semiconductor materials. © Fraunhofer IAF

27.09.2024
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Electronics (wafers, semiconductors, microchips,...)

Milestone in semiconductor development

New semiconductor material: AlYN promises more energy-efficient and powerful electronics

Researchers at Fraunhofer IAF have made a breakthrough in the field of semiconductor materials: With aluminum yttrium nitride (AlYN), they have succeeded in fabricating and characterizing a new and promising semiconductor material using the MOCVD process. Due to its excellent material properties and…

The cryogenic on-wafer prober at Fraunhofer IAF enables fully automatic characterization of up to 25 entire 200-mm or 300-mm wafers with devices for quantum computing. © Fraunhofer IAF

Setup for RF characterization under cryogenic conditions. © Fraunhofer IPMS / Setup for RF-characterization under cryogenic conditions. © Fraunhofer IPMS

The ARCTIC Consortium. © imec / The ARCTIC Consortium. © imec

26.09.2024
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Science

Fraunhofer IPMS and IAF collaborate with 34 European partners in project ARCTIC

EU-project joins forces towards the era of scalable control technology for quantum processors

In order to make quantum computers usable, developing the control technology is at least as important for scaled systems, yet it is still in its infancy. Project ARCTIC brings together 36 international partners from industry, academia and leading RTOs to establish a complete and comprehensive Europe…

View into the main chamber with a 200-mm wafer in the center on the chuck, which is moved under the probe card. The system is testing a wafer from the QUASAR project, in which researchers are developing single-electron transistors (SETs) based on silicon quantum wells to be used as a device for spin qubits. © Fraunhofer IAF

1-K cryostat with conducted lines for direct current and high-frequency measurements. © Fraunhofer IAF

30.09.2023
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Science

KryoproPlus project successfully completed

Cryogenic on-wafer prober determines quality of qubit devices for quantum computing and quantum sensing

Germany’s first cryogenic measuring setup for statistical quality measurement of qubit devices on whole 200- and 300-mm wafers has started operation at Fraunhofer IAF. The on-wafer prober can characterize devices based on semiconductor quantum dots and quantum wells as well as superconductors at m…

Deputy State Secretary for Economic Affairs Dr. Patrick Rapp and Acting Institute Director Prof. Dr. Rüdiger Quay in the cleanroom of the Fraunhofer IAF. © Fraunhofer IAF

In the Fraunhofer IAF training room for quantum computing, progress in the optimization of quantum algorithms was presented. © Fraunhofer IAF

In the Quantum Sensor Application Laboratory at Fraunhofer IAF, state-of-the-art quantum measurement systems are available. © Fraunhofer IAF

20.04.2023
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Science

Dr. Patrick Rapp and Prof. Dr. Rüdiger Quay discuss industrial opportunities and collaboration possibilities in Baden-Württemberg

Economic State Secretary learns about quantum technologies at Fraunhofer IAF

During his visit to the Fraunhofer IAF on March 31, 2023, Baden-Württemberg State Secretary for Economic Affairs Dr. Patrick Rapp and the acting institute director Prof. Dr. Rüdiger Quay discussed industrial opportunities and cooperation possibilities in the field of quantum technologies. The visi…

Fraunhofer IAF has expanded its state-of-the-art research infrastructure for semiconductor technologies with a new MOCVD hall (front) and a new laboratory building (back). © Fraunhofer IAF

On June 30, 2022, the new research buildings of Fraunhofer IAF were officially inaugurated. © Fraunhofer IAF

11.12.2022
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Science

New buildings for optoelectronic metrology, quantum sensor technology and epitaxy

Fraunhofer IAF expands research infrastructure for semiconductor technologies

Fraunhofer IAF has expanded its state-of-the-art research infrastructure and further improved the conditions for the development of pioneering semiconductor technologies. With the support of the German federal government, the state of Baden-Württemberg as well as the BMVg, a laboratory building and…

Demonstrator of a laser threshold magnetometer. The perspective shows the cavity where the scientists measured the amplification and magnetic-field-dependent stimulated emission. © Fraunhofer IAF

The measurement shows the contrast record of nearly 33 percent for stimulated magnetic field-dependent emission (blue) compared to spontaneous emission (red). © Fraunhofer IAF

24.06.2022
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Science

Milestone in quantum sensor technology

World's first measurement of magnetic-field-dependent stimulated emission

In medical care, magnetic fields of heart and brain activity are measured to detect diseases at an early stage. To measure even the smallest magnetic fields, researchers at Fraunhofer IAF are working on a new approach: diamond-based laser threshold magnetometry. The idea is to use diamond with a hig…

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