10th International Conference of Polish Society for Crystal Growth (ICPSCG10), October 16-21, 2016, Zakopane, Poland.

The 10th International Conference of Polish Society for Crystal Growth (ICPSCG10) will be held in Zakopane, Poland on October 16-21, 2016. This event will bring together the top scientists in the crystal growth field to discuss recent research and development activities. The conference range will cover all aspects of bulk crystal growth and epitaxial thin film growth, sessions including fundamentals, experimental and industrial growth processes, characterization and applications.

Bulk nanoplasmonic materials with tunable resonance obtained for the first time with eutectic solidification

Due to the development of novel manufacturing technologies and the increasing availability of nano-/micromaterials, plasmonics has become an emerging fi eld in photonics research. Although the fabrication of metallic elements has already been widely demonstrated, the development of 3D plasmonic materials is progressing slowly. This paper reports the development of a self-organized, 3D nanoplasmonic eutectic composite that exhibits localized surface plasmon resonance at 595 nm. This eutectic composite is produced by directional solidifi cation with the micro-pulling-down method and consists of a 3D, multiscale network of silver, nanometer-thick, micron-long sheets, and triangular cross-section microprecipitates embedded in a crystalline bismuth oxide matrix. Annealing at 600 °C further refi ned the structure and introduced metallic nanoparticles that exhibited plasmonic resonance in the optical region of the spectrum. This is the fi rst demonstration of plasmonic behavior in a eutectic-based composite, which is engineered specifically for this purpose using a self-organization mechanism.



Bulk nanoplasmonic materials manufactured in ITME by the novel NanoParticle Direct Doping method

Metallodielectric materials with plasmonic resonances at optical and infrared wavelengths are attracting increasing interest, due to their potential novel applications in the fields of photonics, plasmonics and photovoltaics. However, simple and fast fabrication methods for three-dimensional bulk plasmonic nanocomposites that offer control over the size, shape and chemical composition of the plasmonic elements have been missing. Here, such a manufacturing method and examples of experimental realizations of volumetric isotropic nanocomposites doped with plasmonic nanoparticles that exhibit resonances at visible and infrared wavelengths are presented. This method is based on doping a low-melting dielectric material with plasmonic nanoparticles, using a directional glass-solidification process. Transmission-spectroscopy experiments confirm a homogenous distribution of the nanoparticles, isotropy of the material and resonant behavior. The phenomenon of localized surface plasmon resonance is also observed visually. This approach may enable rapid and cost-efficient manufacturing of bulk nanoplasmonic composites with single or multiple resonances at various wavelength ranges. These composites could be isotropic or anisotropic, and potentially co-doped with other chemical agents, in order to enhance different optical processes.



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