SDS of cas: 16961-25-4. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Hydrogen tetrachloroaurate(III) trihydrate, is researched, Molecular AuCl4H7O3, CAS is 16961-25-4, about Femtosecond laser modification of the optical properties of glass containing noble-metal nanoparticles. Author is Nikov, Ro; Nedyalkov, N.; Koleva, M.; Stankova, N.; Iordanova, E.; Yankov, G.; Aleksandrov, L.; Iordanova, R..
The paper presents results on femtosecond laser irradiation-induced modification of the optical properties of a composite material – gold nanoparticles embedded into a borosilicate glass host. The process is initiated by laser pulses delivered by a Ti:sapphire laser system with pulse duration of 35 fs. The glass samples are prepared by melt quenching with gold added as hydrogen tetrachloroaurate (III) hydrate to the initial composition Post-fabrication annealing leads to a homogeneous formation of nanoparticles in the glass; varying the annealing parameters results in producing nanoparticles with different sizes and shapes. The laser irradiation of the samples induces significant modification of the optical spectra of the glass through changes of the nanoparticles characteristics. The effects are studied of the laser fluence, laser wavelength and laser pulses number The heat diffusion equation is applied to estimate the temperature evolution and explain the modifications observed The results demonstrate this technique′s efficiency in modifying the nanoparticles properties with a high 3D spatial resolution, which can be useful in fabrication of integrated optical systems.
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Reference:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem