Evidence for Vacancy Creation by Chromium Doping of Rutile Titanium Dioxide (110)
Bechstein R, Kitta M, Schütte J, Kühnle A, Onishi H (2009)
Journal of Physical Chemistry C 113(8): 3277-3280.
Zeitschriftenaufsatz
| Veröffentlicht | Englisch
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Autor*in
Bechstein, RalfUniBi;
Kitta, Mitsunori;
Schütte, Jens;
Kühnle, AngelikaUniBi;
Onishi, Hiroshi
Einrichtung
Abstract / Bemerkung
Chromium doped rutile TiO(2)(110) is studied using noncontact atomic force microscopy (NC-AFM) at room temperature. High-resolution NC-AFM images allow for investigating the effect of chromium doping on the surface structure at the atomic level. Besides added rows that are ascribed to Cr(2)O(3) structures, we observe a considerable amount of surface hydroxyl defects, which are known to originate from oxygen vacancies. A careful analysis of the surface oxygen vacancy density is presented, providing strong experimental evidence for enhanced formation of surface oxygen vacancies upon chromium doping. We can explain these experimental results by a simple model based on maintaining charge neutrality while at the same time minimizing lattice stress. This simple model accounts for an increased oxygen vacancy density, in good agreement with our experimental findings.
Erscheinungsjahr
2009
Zeitschriftentitel
Journal of Physical Chemistry C
Band
113
Ausgabe
8
Seite(n)
3277-3280
ISSN
1932-7447
Page URI
https://pub.uni-bielefeld.de/record/2913847
Zitieren
Bechstein R, Kitta M, Schütte J, Kühnle A, Onishi H. Evidence for Vacancy Creation by Chromium Doping of Rutile Titanium Dioxide (110). Journal of Physical Chemistry C. 2009;113(8):3277-3280.
Bechstein, R., Kitta, M., Schütte, J., Kühnle, A., & Onishi, H. (2009). Evidence for Vacancy Creation by Chromium Doping of Rutile Titanium Dioxide (110). Journal of Physical Chemistry C, 113(8), 3277-3280. doi:10.1021/jp8095677
Bechstein, Ralf, Kitta, Mitsunori, Schütte, Jens, Kühnle, Angelika, and Onishi, Hiroshi. 2009. “Evidence for Vacancy Creation by Chromium Doping of Rutile Titanium Dioxide (110)”. Journal of Physical Chemistry C 113 (8): 3277-3280.
Bechstein, R., Kitta, M., Schütte, J., Kühnle, A., and Onishi, H. (2009). Evidence for Vacancy Creation by Chromium Doping of Rutile Titanium Dioxide (110). Journal of Physical Chemistry C 113, 3277-3280.
Bechstein, R., et al., 2009. Evidence for Vacancy Creation by Chromium Doping of Rutile Titanium Dioxide (110). Journal of Physical Chemistry C, 113(8), p 3277-3280.
R. Bechstein, et al., “Evidence for Vacancy Creation by Chromium Doping of Rutile Titanium Dioxide (110)”, Journal of Physical Chemistry C, vol. 113, 2009, pp. 3277-3280.
Bechstein, R., Kitta, M., Schütte, J., Kühnle, A., Onishi, H.: Evidence for Vacancy Creation by Chromium Doping of Rutile Titanium Dioxide (110). Journal of Physical Chemistry C. 113, 3277-3280 (2009).
Bechstein, Ralf, Kitta, Mitsunori, Schütte, Jens, Kühnle, Angelika, and Onishi, Hiroshi. “Evidence for Vacancy Creation by Chromium Doping of Rutile Titanium Dioxide (110)”. Journal of Physical Chemistry C 113.8 (2009): 3277-3280.
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