In the laboratories of the Department of Physics, we develop and study novel such nanostructures, where understanding of nanoscale phenomena is not merely a challenge of fundamental research, but also carries the potential for later technological applications. In a range from atomic sizes to a few hundred nanometers, we not only apply the standard processes of modern nanotechnology (nanolithography, atomic layer deposition, chemical preparation) but also search for custom preparation techniques for contacting single molecules, creating self-organized structures or building atomic-scale switches. Another important direction of our research is the development of reliable contacting techniques for single molecules applying self-designed break junction setups.

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We investigate the optical properties of complex magnetic systems including itinerant and insulating magnets, multiferroic compounds and magnetic nano-crystals produced by living organisms. We aim to reveal the microscopic mechanisms, which are responsible for the peculiar physical properties of these materials, by magneto-optical spectroscopy. Our studies can promote the systematic synthesis of new functional materials for information technology, photonics and for biomedical applications. The research group is supported by the `Lendület' programme of the Hungarian Academy of Sciences. 

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Applied Optics

Quality inspection of vehicle side mirrors using automated optical methods that can be implemented in industrial environments. Displacements or dimensions in the order of the wavelength of light can be measured using laser light and interferometric principles. Real-time recognition of pedestrians and other objects is a great challenge for image processing algorithms. Cryptographic keys can be distributed safely using quantum optical principles in optical fibers transmitting low intensity light. Holography can spectacularly supplement the presentation of museum pieces.