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Paraelectric KHPO Nanocrystals in Monolithic Mesoporous Silica: Structure and Lattice Dynamics
Yaroslav Shchur, Andriy V. Kityk, Viktor V. Strelchuk +4
Combining dielectric crystals with mesoporous solids allows a versatile design of functional nanomaterials, where the porous host provides a mechanical rigid scaffold structure and…
Nature of resonant Raman scattering in ZnCoO films under sub-band excitation
K. A. Avramenko, V. P. Bryksa, V. V. Strelchuk +3
Using the methods of scanning electron (SEM) and atom force microscopy (AFM) as well as photoluminescence (PL) and Raman micro-spectroscopy, we investigated films (…
Ferromagnetism in Co-doped ZnO films grown by molecular beam epitaxy: magnetic, electrical and microstructural studies
V. V. Strelchuk, K. A. Avramenko, V. P. Bryksa +7
We studied structural, optical and magnetic properties of high-quality 5 and 15% Co-doped ZnO films grown by plasma-assisted molecular beam epitaxy (MBE) on (0001)-sapphire substra…
Defect driven ferroelectricity and magnetism in nanocrystalline KTaO3
I. S. Golovina, S. P. Kolesnik, V. Bryksa +6
Nominally pure nanocrystalline KTaO3 was thoroughly investigated by micro-Raman and magnetic resonance spectroscopic techniques. In all samples the defect driven ferroelectricity a…