Fyzikální ústav Akademie věd ČR

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Research at Department 17

Research subjectsResearch subjects

The activity of the department is primarily focused on the development, preparation and characterization of advanced metallic materials prospective for modern applications: Bulk metallic materials with ultra-fine-grained and nanocrystalline structure, which exhibit extraordinary mechanical properties; Intermetallic alloys with high strength at...

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Grain boundary classification and its consequences for Grain Boundary EngineeringSelected results

Based on detail study of solute segregation at individual grain boundaries in α-iron, a new classification of [100] tilt grain boundaries was developed.

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Growth of oriented tricrystalsSelected results

Important step in successful experiment in solid state physics is defined sample. As a representative of such samples are mainly oriented single crystals as well as bicrystals of model systems. Besides these samples, we developed technology of growing unique oriented tricrystals for – even in the world – rare investigation of properties of triple...

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Prediction of the segregation of any solute at any grain boundarySelected results

Grain boundaries are important structural component of materials. Their structure as well as chemical composition differ from those of the crystal interior and thus, they may limit the applicability of the materials. Based on careful study of segregation at individual grain boundaries in model b.c.c. Fe–base alloys we were able to propose and...

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Preparation of defined samples using the method of focused ion beamSelected results

In cooperation with Bristol university, we proposed a technique for preparation of samples with highly localized in form of thin foils for high-resolution transmission electron microscopy (HRTEM).

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