Evolution of Electronic Properties of Tantalum Nanoclusters and of Tantalum Oxides in the Vicinity of Phase Transition to the Nonconducting State

IF 0.6 4区 物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY Bulletin of the Lebedev Physics Institute Pub Date : 2025-03-03 DOI:10.3103/S1068335624601389
V. A. Shilov, D. V. Bortko, K. M. Balakhnev, P. V. Borisyuk, O. S. Vasilyev
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Abstract

Core–shell samples of thin films of tantalum nanoclusters and of tantalum oxides on silicon were obtained. The chemical composition of Ta/TaO2 nanoclusters was determined based on the results of X-ray photoelectron spectroscopic (XPS) analysis. The homogeneity of the thin nanocluster film composition was ascertained by the character of angular dependences of the ratios of the Ta4f doublet and oxygen peaks. The effect of a dimensional shift of binding energy was observed for metal tantalum nanoclusters with the diameter d < 5 nm, and its dependence on the nanocluster diameter was established.

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来源期刊
Bulletin of the Lebedev Physics Institute
Bulletin of the Lebedev Physics Institute PHYSICS, MULTIDISCIPLINARY-
CiteScore
0.70
自引率
25.00%
发文量
41
审稿时长
6-12 weeks
期刊介绍: Bulletin of the Lebedev Physics Institute is an international peer reviewed journal that publishes results of new original experimental and theoretical studies on all topics of physics: theoretical physics; atomic and molecular physics; nuclear physics; optics; lasers; condensed matter; physics of solids; biophysics, and others.
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