Academic literature on the topic 'Nanoglass'

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Journal articles on the topic "Nanoglass"

1

Chen, Na, Di Wang, Tao Feng, et al. "A nanoglass alloying immiscible Fe and Cu at the nanoscale." Nanoscale 7, no. 15 (2015): 6607–11. http://dx.doi.org/10.1039/c5nr01406a.

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Synthesized from ultrafine particles with a bottom-up approach, nanoglasses are of particular importance in pursuing unique properties. From different kinds of nanoglasses with immiscible metals, nanoglass alloys are created, which may open an avenue to an entirely new world of solid solutions. These new solid solutions are likely to have properties that are yet unknown in today's alloys.
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2

Gleiter, Herbert. "Nanoglasses: a new kind of noncrystalline materials." Beilstein Journal of Nanotechnology 4 (September 13, 2013): 517–33. http://dx.doi.org/10.3762/bjnano.4.61.

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Nanoglasses are a new class of noncrystalline solids. They differ from today’s glasses due to their microstructure that resembles the microstructure of polycrystals. They consist of regions with a melt-quenched glassy structure connected by interfacial regions, the structure of which is characterized (in comparison to the corresponding melt-quenched glass) by (1) a reduced (up to about 10%) density, (2) a reduced (up to about 20%) number of nearest-neighbor atoms and (3) a different electronic structure. Due to their new kind of atomic and electronic structure, the properties of nanoglasses may be modified by (1) controlling the size of the glassy regions (i.e., the volume fraction of the interfacial regions) and/or (2) by varying their chemical composition. Nanoglasses exhibit new properties, e.g., a Fe90Sc10 nanoglass is (at 300 K) a strong ferromagnet whereas the corresponding melt-quenched glass is paramagnetic. Moreover, nanoglasses were noted to be more ductile, more biocompatible, and catalytically more active than the corresponding melt-quenched glasses. Hence, this new class of noncrystalline materials may open the way to technologies utilizing the new properties.
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3

Abaza, Engy Fahmy, Ahmed Abbas Zaki, Haytham Samir Moharram, Amal Alaa El Din El Batouti, and Asmaa Aly Yassen. "Influence of gamma radiation on microshear bond strength and nanoleakage of nanofilled restoratives in Er, Cr:YSGG laser-prepared cavities." European Journal of Dentistry 12, no. 03 (2018): 338–43. http://dx.doi.org/10.4103/ejd.ejd_305_17.

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ABSTRACT Objective: To evaluate the effect of gamma radiation on microshear bond strength and nanoleakage of nanofilled restoratives in laser-prepared cavities. Materials and Methods: Twenty-eight flat buccal dentin surfaces were prepared for microshear bond strength test. Er, Cr:YSGG laser was used to prepare another 28 Class V cavities on the buccal surfaces of the molars. All teeth were divided into four groups; 1st group: Application of Filtek Z350 nanocomposite material, 2nd group: As the 1st group and then exposure to gamma radiation, 3rd group: Application of Ketac N100 nanoglass ionomer, and the 4th group: As the 3rd group and then gamma irradiated. The bond strength test was performed after storage in artificial saliva for 24 h. For the nanoleakage test, teeth were submerged in a solution of ammoniacal silver nitrate, sectioned, and then examined under a scanning electron microscope. The collected data were statistically analyzed. Results: Nanocomposite showed higher bond strength values than nanoglass ionomer. Despite the fact that gamma radiation did not decrease nanocomposite bond strength, it decreased nanoglass ionomer bond strength. Nanoglass ionomer-restored cavities showed higher silver ion penetration than nanocomposite in both control and gamma-irradiated groups. Conclusion: Gamma radiation has no effect on bond strength and nanoleakage of nanocomposite so that it can be placed before radiotherapy. On the other hand, the bond strength of nanoglass ionomer was adversely affected by gamma radiation.
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4

Sahar, Md Rahim, and S. K. Ghoshal. "Nanoglass: Present Challenges and Future Promises." Advanced Materials Research 1108 (June 2015): 45–58. http://dx.doi.org/10.4028/www.scientific.net/amr.1108.45.

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This presentation provides a panoramic overview of the recent progress in nanoglass plasmonics, challenges, excitement, applied interests and the future promises. A glimpse of our gamut research activities with some significant results is highlighted and facilely analyzed. The term'nanoglass'refers to the science and technology dealing with the manipulation of the physical properties of rare earth doped inorganic glasses by embedding metallic nanoparticles (NPs) or nanoclusters. On the other hand, the word'plasmonics'refer to the coherent coupling of photons to free electron oscillations (called plasmon) at the interface between a conductor and a dielectric. Nanoglass plasmonis being an emerging concept in advanced optical material of nanophotonics has given photonics the ability to exploit the optical response at nanoscale and opened up a new avenue in metal-based glass optics. There is a vast array of nanoglass plasmonic concepts yet to be explored, with applications spanning solar cells, (bio) sensing, communications, lasers, solid-state lighting, waveguides, imaging, optical data transfer, display and even bio-medicine. Localized surface plasmon resonance (LSPR) can enhance the optical response of nanoglass by orders of magnitude as observed. The luminescence enhancement and surface enhanced Raman scattering (SERS) are new paradigm of research. A thumbnail sketch of the fundamental aspects of SPR, LSPR, SERS and photonic applications of various rare earth doped/co-doped binary glasses containing metallic NPs are presented. The recent development in nanoglass in the context of Malaysia at the outset of international scenario is projected.
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5

Sha, Z. D., L. C. He, Q. X. Pei, Z. S. Liu, Y. W. Zhang, and T. J. Wang. "The mechanical properties of a nanoglass/metallic glass/nanoglass sandwich structure." Scripta Materialia 83 (July 2014): 37–40. http://dx.doi.org/10.1016/j.scriptamat.2014.04.009.

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6

Sha, Z. D., P. S. Branicio, Q. X. Pei, et al. "Strong and superplastic nanoglass." Nanoscale 7, no. 41 (2015): 17404–9. http://dx.doi.org/10.1039/c5nr04740d.

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7

Danilov, Denis, Horst Hahn, Herbert Gleiter, and Wolfgang Wenzel. "Mechanisms of Nanoglass Ultrastability." ACS Nano 10, no. 3 (2016): 3241–47. http://dx.doi.org/10.1021/acsnano.5b05897.

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8

Salman, Awham Jumah, Zahraa Fakhri Jawad, Rusul Jaber Ghayyib, Fadhaa Atheer Kareem, and Zainab Al-khafaji. "Verification of Utilizing Nanowaste (Glass Waste and Fly Ash) as an Alternative to Nanosilica in Epoxy." Energies 15, no. 18 (2022): 6808. http://dx.doi.org/10.3390/en15186808.

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Silica is considered one of the most prevalent components in the Earth’s shell and is synthesized for use in technological applications. Nevertheless, new methods for finding a better, cheaper, and more ecologically friendly supply of silica with less energy consumption are unavoidable. This study investigates whether nanopowders made from waste with a great silica amount (fly ash and glass) can be utilized as fillers in an epoxy glue to enhance its characteristics. Four different contents (5, 10, 15, and 20 wt%) of nano–fly ash, nanoglass, and nanosilica powder were introduced into the samples. Fourier transform infrared analysis, differential scanning calorimetry analysis, viscosity testing, and microhardness testing were conducted for nanoglass/epoxy and nano–fly ash/epoxy samples, which were compared with the silica/epoxy samples. Results indicated that the nanoglass and nano–fly ash powder have the same impact as nanosilica on the characteristics of epoxy. The hardness and viscosity of epoxy increased with the increase in the added filler. At 20 wt%, the hardness value of the nanoglass/epoxy composites was greater than that of the nanosilica/epoxy and fly ash/epoxy composites by about 15% and 7%, respectively. The results also indicated that the highest viscosity values were obtained when using nano–fly ash powder of 20 wt%. Furthermore, the modification of the epoxy by the nanoparticles had no significant effect on the values of the glass transition temperatures.
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9

Śniadecki, Z., D. Wang, Yu Ivanisenko, et al. "Nanoscale morphology of Ni50Ti45Cu5 nanoglass." Materials Characterization 113 (March 2016): 26–33. http://dx.doi.org/10.1016/j.matchar.2015.12.025.

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10

Zhou, Peng, Qiaomin Li, Pan Gong, Xinyun Wang, and Mao Zhang. "Electrodeposition of FeCoP nanoglass films." Microelectronic Engineering 229 (May 2020): 111363. http://dx.doi.org/10.1016/j.mee.2020.111363.

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