Evidence map›Paper›PMID 39664249›Full record

ArticleRSC advances2024

Thermally activated processes: the underlying mechanism of activated state formation.

Maksym M Lazarenko, Yuriy F Zabashta, Oleksandr M Alekseev, Sergei A Alekseev, Kateryna S Yablochkova, Liena Yu Vergun, Dmytro A Andrusenko, Konstantin V Cherevko, Victoria B Shevchenko, Roman V Dinzhos and 1 more

Abstract read
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Article in RSC advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed
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1 · What the graph read from it

What it found

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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3 · Its place in the literature

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No citing paper in PubMed yet.

4 · The record

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5 · Who and what money

Authors and funding

11 authors.

Maksym M LazarenkoTaras Shevchenko National University of Kyiv 64, Volodymyrska Street Kyiv UA 01601 Ukraine lazmaxs@knu.ua.ORCID https://orcid.org/0000-0003-0719-3522
Yuriy F ZabashtaTaras Shevchenko National University of Kyiv 64, Volodymyrska Street Kyiv UA 01601 Ukraine lazmaxs@knu.ua.
Oleksandr M AlekseevTaras Shevchenko National University of Kyiv 64, Volodymyrska Street Kyiv UA 01601 Ukraine lazmaxs@knu.ua.
Sergei A AlekseevTaras Shevchenko National University of Kyiv 64, Volodymyrska Street Kyiv UA 01601 Ukraine lazmaxs@knu.ua.ORCID https://orcid.org/0000-0003-4190-8528
Kateryna S YablochkovaTaras Shevchenko National University of Kyiv 64, Volodymyrska Street Kyiv UA 01601 Ukraine lazmaxs@knu.ua.
Liena Yu VergunTaras Shevchenko National University of Kyiv 64, Volodymyrska Street Kyiv UA 01601 Ukraine lazmaxs@knu.ua.
Dmytro A AndrusenkoTaras Shevchenko National University of Kyiv 64, Volodymyrska Street Kyiv UA 01601 Ukraine lazmaxs@knu.ua.
Konstantin V CherevkoTaras Shevchenko National University of Kyiv 64, Volodymyrska Street Kyiv UA 01601 Ukraine lazmaxs@knu.ua.
Victoria B ShevchenkoTaras Shevchenko National University of Kyiv 64, Volodymyrska Street Kyiv UA 01601 Ukraine lazmaxs@knu.ua.
Roman V DinzhosPetro Mohyla Black Sea National University Mykolayiv Ukraine.
Leonid A BulavinTaras Shevchenko National University of Kyiv 64, Volodymyrska Street Kyiv UA 01601 Ukraine lazmaxs@knu.ua.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In the present manuscript, we highlight the contradictions in the thermally activated processes theory which treats a system's activated state as a state of the phonon subsystem. We offer an alternative model, in which the activated state is treated as an electron subsystem state. The mechanism of the activated state formation is as follows: thermal fluctuations excite electrons of some particles within the activation zone. This excitation is then shared with other particles in the ground state. This creates a locally-equilibrium activated state. We estimate the lifetime of such a state and derive expressions for the activation energy and entropy, necessary to calculate the number of excited particles in the activation zone and the energy of the particle's excitation. We validate the model experimentally, by examining the behavior of nanocrystals of undecylenic acid in pores of silica gels using dielectric spectroscopy and the analysis of the complex dielectric permittivity behavior at different temperatures and with different frequencies of the external field. The estimated number of excited particles in the activation zone of the nanocrystals and the particle excitation energy for the dielectric relaxation process observed in undecylenic acid confirm that the results of the experiment align well with the proposed model.

Identifiers

PMID39664249
PMCPMC11633830

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.