Recent innovations in properties of nanostructured glasses and composites

The thrust to invent new materials and technology has been ever increasing due to technological challenges in progressive world. Among new materials, nanomaterials possess superior optical, electrical, magnetic, mechanical, and thermal properties, which have made them suitable for a multitude of app...

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Bibliographic Details
Published in:Journal of experimental nanoscience 2021-01, Vol.16 (1), p.180-211
Main Authors: Deepika, Dixit, Manasvi, Singh, Hukum, Attia, M. S., Amin, Mohammed A.
Format: Article
Language:English
Subjects:
Composite materials
Crystal defects
electrical
Electrical properties
Electrical resistivity
Energy gap
Glasses
Grain size
Magnetic properties
mechanical
Nanomaterials
Nanostructure
nanostructured
optical
Optical properties
Temperature effects
thermal
Thermal conductivity
Thermodynamic properties
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Summary:The thrust to invent new materials and technology has been ever increasing due to technological challenges in progressive world. Among new materials, nanomaterials possess superior optical, electrical, magnetic, mechanical, and thermal properties, which have made them suitable for a multitude of applications. The present review paper deals with recent advances in properties of nanostructured glasses and composites in terms optical, electrical, mechanical and thermal properties. A brief discussion has been done on fabrication method of nanostructured glasses. The review of optical properties shows that nanostructured glasses show both direct and indirect band gap and this tuning of band gap depends on extent of nano structuring of samples. The electrical properties also show enhancement in electrical conductivity on nano-structuring of glasses compared to their bulk counterparts. The changes in mechanical and thermal properties of nanostructured glasses and composites are attributed to many microstructural features like grain size and shape, their distribution, pores and their distribution, other flaws/defects and their distribution, surface condition, impurity level, second phases/dopants, stress, duration of its application and temperature effect on the samples. Literature reports that nano structuring leads to enhanced phonon boundary scattering which reduces the thermal conductivity.
ISSN:1745-8080
1745-8099
DOI:10.1080/17458080.2021.1940221