A novel evaluation strategy for fatigue reliability of flexible nanoscale films. - In: Materials Research Express, ISSN 2053-1591, Volume 5 (2018), number 3, 035012, Seite 1-8
https://doi.org/10.1088/2053-1591/aab1c5
Plasmonic nanosponges. - In: Advances in Physics: X, ISSN 2374-6149, Bd. 3 (2018), 1, Article: 1456361, insges. 19 S.
Gold nanosponges, or nanoporous gold nanoparticles, possess a percolated nanoporous structure over the entire nanoparticles. The optical and plasmonic properties of gold nanosponges and its related hybrid nanosponges are very fascinating due to the unique structural feature, and are controllable and tuneable in a large scope by changing the structural parameters like pore/ligament size, porosity, particle size, particles form, and hybrid structure. The nanosponges show the strong polarization dependence and multiple resonances behavior. Besides, the nanosponges exhibit a significantly higher local field enhancement than the solid nanoparticles. Strong nonlinear optical properties are confirmed by their high-order photoemission behavior, whereby long-lived plasmon modes are also clearly observed. All this is very important and relevant for the applications in enhanced Raman scattering, fluorescence manipulation, sensing, and nonlinear photonics.
https://doi.org/10.1080/23746149.2018.1456361
Surface-nanostructured Al-AlN composite thin films with excellent broad-band antireflection properties fabricated by limited reactive sputtering. - In: ACS applied nano materials, ISSN 2574-0970, Bd. 1 (2018), 3, S. 1124-1130
Al-AlN composite thin films with surface nanostructures possessing excellent broad-band antireflection properties can be simply fabricated by using a simple sputtering-based method, namely, limited reactive sputtering at elevated temperature. A mixture of Ar and N2 gases with limited gas flow of N2 is used. During the process, the limited amount of the N ions and radicals can only consume some of the sputtered Al atoms for the formation of AlN, so that the Al-AlN composite thin film can finally be deposited on the substrate. Compared to the traditional cosputtering for composite deposition, which works necessarily with two or more targets simultaneously, here only a single Al target is required. When the substrate temperature is higher than 100 ˚C, surface nanostructures can be evolved because of the different diffusion kinetics of Al and AlN. The total reflection was reduced drastically (<10%) in the spectral range 300-2000 nm. The Al-AlN composite thin films exhibit also a good electric conductivity.
https://doi.org/10.1021/acsanm.7b00302
Whiskers growth in thin passivated Au films. - In: Acta materialia, ISSN 1873-2453, Bd. 149 (2018), S. 154-163
https://doi.org/10.1016/j.actamat.2018.02.041
Experimental investigation of high temperature oxidation during self-propagating reaction in Zr/Al reactive multilayer films. - In: Surface and coatings technology, ISSN 1879-3347, Bd. 340 (2018), S. 66-73
https://doi.org/10.1016/j.surfcoat.2018.02.014
Plasmonic horizon in gold nanosponges. - In: Nano letters, ISSN 1530-6992, Bd. 18 (2018), 2, S. 1269-1273
An electromagnetic wave impinging on a gold nanosponge coherently excites many electromagnetic hot-spots inside the nanosponge, yielding a polarization-dependent scattering spectrum. In contrast, a hole, recombining with an electron, can locally excite plasmonic hot-spots only within a horizon given by the lifetime of localized plasmons and the speed carrying the information that a plasmon has been created. This horizon is about 57 nm, decreasing with increasing size of the nanosponge. Consequently, photoluminescence from large gold nanosponges appears unpolarized.
https://doi.org/10.1021/acs.nanolett.7b04875
Production and characterization of Tb3+/Yb3+ Co-activated AlON thin films for down conversion applications in photovoltaic cells. - In: MRS advances, ISSN 2059-8521, Bd. 2 (2017), 52, S. 2989-2995
Im Titel ist "3+" hochgestellt
https://doi.org/10.1557/adv.2017.478
Influence of nanoscaled surface modification on the reaction of Al/Ni multilayers. - In: Technologies, ISSN 2227-7080, Bd. 5 (2017), 4, 79, insges. 11 S.
http://dx.doi.org/10.3390/technologies5040079
Surface photonic crystal structures for LED emission modification. - In: Photonics, Devices, and Systems VII, (2017), S. 1060319, insges. 7 S.
https://doi.org/10.1117/12.2293527
Hierarchically-designed 3D flower-like composite nanostructures as an ultrastable, reproducible, and sensitive SERS substrate. - In: ACS applied materials & interfaces, ISSN 1944-8252, Bd. 9 (2017), 44, S. 38854-38862
https://doi.org/10.1021/acsami.7b14833