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ORIGINAL RESEARCH article

Front. Mater.
Sec. Quantum Materials
Volume 11 - 2024 | doi: 10.3389/fmats.2024.1422398
This article is part of the Research Topic Energy Release in Interaction of Hydrogen Isotopes with Solid Matter View all articles

Investigating the Role of Palladium Electrical Contacts in Interactions with Carbyne Nanomaterial Solid Matter

Provisionally accepted
Mariya Aleksandrova Mariya Aleksandrova *
  • Technical University, Sofia, Sofia, Bulgaria

The final, formatted version of the article will be published soon.

    Traps at the interface between carbyne and palladium nanocoatings, produced at different growth conditions, are explored by current-voltage characteristics, scanning electron microscopy and thermal stimulation of charges for evaluation of their nature. It was found that the Pd films can form an Ohmic contact with the carbyne at certain deposition conditions and such deviated from the Ohmic behavior according to the RF sputtering voltage. This growth parameter was found to affect the interfacial traps formation on the carbyne surface, which is important feature for the charge trapping and releasing properties for hydrogen isotopes in the context of the energy release applications. The sputtering voltages of 0.5 kV and 0.7 kV were found unsuitable for controlled trap formation. Based on the current-voltage and thermally stimulated current (TSC) measurements, a sputtering voltage of 0.9 kV appeared to be more favorable compared to 0.5 kV and 0.7 kV. At 0.9 kV thermal activation of charge carriers are enabled at lower thermal energies, showing a distinct change in TSC behavior correlated to trap activation.

    Keywords: carbyne, palladium electrodes, Energy release, traps states, nanocoatings

    Received: 23 Apr 2024; Accepted: 18 Jun 2024.

    Copyright: © 2024 Aleksandrova. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

    * Correspondence: Mariya Aleksandrova, Technical University, Sofia, Sofia, Bulgaria

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