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Observation of Two-Dimensional Phases Associated with Defect States on the Surface of TiO2

Henrich, Victor E., Dresselhaus, G., Zeiger, H. J.·1976·Physical Review Letters

Abstract

Surface electronic states associated with defects produced by Ar-ion bombardment of Ti${\mathrm{O}}_{2}$ crystals have been studied by ultraviolet-photoemission, electron-energy-loss, and Auger spectroscopy and low-energy-electron diffraction. Evidence is given for three distinct phases dependent upon the extrinsic surface-defect concentration. Phase I contains isolated surface states 0.7 eV below the conduction band, phase II is associated with the creation of ${\mathrm{Ti}}^{3+}$ pairs, and phase III consists of a surface layer of ordered ${\mathrm{Ti}}_{2}$${\mathrm{O}}_{3}$.

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Metadata

Authors
Henrich, V. E., Dresselhaus, G., & Zeiger, H. J.
Venue
Physical Review Letters
Published
1976-05-31
Volume
36
Issue
22
Pages
1335-1339
ISSN
0031-9007 (ISSN-L)
OpenAlex
W283640366
Cited by
506
References
0
FWCI
7.98
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Observation of Two-Dimensional Phases Associated with Defect States on the Surface of TiO2. https://app.cochat.ai/papers/10.1103/physrevlett.36.1335
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Henrich, V. E., Dresselhaus, G., & Zeiger, H. J. (1976). Observation of Two-Dimensional Phases Associated with Defect States on the Surface of TiO2. Physical Review Letters. https://doi.org/10.1103/physrevlett.36.1335

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