Tradeoff Between Dielectric and Nanomechanical properties at Charge Injection Surfaces in LDPE Nanocomposites (Pre-print to be sumbitted to IEEE- Transactions on Dielectrics and Electrical Insulation)

Tradeoff Between Dielectric and Nanomechanical properties at Charge Injection Surfaces in LDPE Nanocomposites (Pre-print to be sumbitted to IEEE- Transactions on Dielectrics and Electrical Insulation) | Authorea try { document.documentElement.classList.add('js'); } catch (e) { } var _gaq = _gaq || []; _gaq.push(['_setAccount', 'G-8VDV14Y67G']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 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Data may be preliminary. 28 October 2025 V2 Latest version Share on Tradeoff Between Dielectric and Nanomechanical properties at Charge Injection Surfaces in LDPE Nanocomposites (Pre-print to be sumbitted to IEEE- Transactions on Dielectrics and Electrical Insulation) Authors : Balaji Sriram 0009-0009-2399-104X [email protected] and Nandini Gupta Authors Info & Affiliations https://doi.org/10.22541/au.176158442.27699550/v2 155 views 107 downloads Contents Abstract Supplementary Material Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract Research on polymer nanodielectrics for application in HV insulations has primarily focused on bulk property enhancements arising from nanofiller incorporation. However, the effects of nanofillers on surface physico-chemistry which critically influences charge injection barriers and surface mechanical integrity remain inadequately understood. This study addresses that gap by investigating the correlations between surface physicochemistry, the dielectric and mechanical properties of LDPEsilica nanocomposites. The changes in the functional groups are identified using Fourier Transform Infra-red (FTIR) spectroscopy and the morphology is studied using Differential Scanning Calorimetry (DSC). Further, the surface topography, electronic structure, and elasto-plastic behavior are characterized using Atomic Force Microscopy (AFM), Reflected Electron Energy Loss Spectroscopy (REELS) combined with Ultraviolet Photoelectron Spectroscopy (UPS), and Nanoindentation (NI), respectively. The results show that, at an optimal filler concentration, the surface crystallinity, the bandgap and the ionization potential increases, yielding superior dielectric properties. However, these enhancements are accompanied by a progressive decline in surface elasticity and hardness, indicating a tradeoff between electrical performance and mechanical robustness at the composite surface. Supplementary Material File (tradeoff between the dielectric and nanomechanical properties in ldpe nanocomposites.pdf) Download 1.46 MB Information & Authors Information Version history V1 Version 1 27 October 2025 V2 Version 2 28 October 2025 Copyright This work is licensed under a Non Exclusive No Reuse License. Keywords crystallinity electronic structure experiments ldpe nanomechanical properties physico-chemistry Authors Affiliations Balaji Sriram 0009-0009-2399-104X [email protected] View all articles by this author Nandini Gupta View all articles by this author Metrics & Citations Metrics Article Usage 155 views 107 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation Balaji Sriram, Nandini Gupta. Tradeoff Between Dielectric and Nanomechanical properties at Charge Injection Surfaces in LDPE Nanocomposites (Pre-print to be sumbitted to IEEE- Transactions on Dielectrics and Electrical Insulation). Authorea . 28 October 2025. DOI: https://doi.org/10.22541/au.176158442.27699550/v2 If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download. For more information or tips please see 'Downloading to a citation manager' in the Help menu . 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