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Lookup NU author(s): Dr Aritra Basu
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In situ high-temperature scanning tunnelling spectroscopy measurements on the heavily reduced TiO2(110) surface which contains Ti2O3 regions showed disappearance of the energy gap accompanied by substantial decrease in amplitude of the band edge states with increasing temperature. It indicates. smooth insulator-metal transition caused by bands overlap in Ti2O3, which takes place at elevated temperatures. In situ high-temperature scanning tunnelling microscopy and spectroscopy were used to study the influence of temperature on the electronic properties of NixMn3-xO3-delta (0.4 less than or equal to x less than or equal to 1) thin films deposited by rf magnetron sputtering at three different oxygen/argon (2.5%, 10%, 15%) containing ambient. The morphology and distribution of the local density of states of the observed films did not show any difference for the films deposited at different conditions. The distribution of the local density of states was temperature dependent. The changes in the shape of the local density of states observed at 473 K were reversible with temperature implying that no permanent change of the electronic structure occurred.
Author(s): Klusek Z, Datta PK, Kowalczyk P, Pierzgalski S, Busiakiewicz A, Olejniczak W, Basu A, Brinkman AW
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: 3rd International Symposium on Scanning Probe Spectroscopy and Related Methods
Year of Conference: 2003
Pages: 245-258
Online publication date: 19/07/2003
ISSN: 0587-4246
Publisher: Instytut Fizyki, Polska Akademia Nauk
URL: https://bibliotekanauki.pl/articles/2036892.pdf
Library holdings: Search Newcastle University Library for this item
Series Title: Acta Physica Polonica A
ISBN: 1898794X
