Rastogi, A. ; Kushwaha, A. K. ; Shiyani, T. ; Gangawar, A. ; Budhani, R. C. (2010) Electrically tunable optical switching of a Mott insulator-band insulator interface Advanced Materials, 22 (40). pp. 4448-4451. ISSN 0935-9648
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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/adma.20...
Related URL: http://dx.doi.org/10.1002/adma.201001980
Abstract
The electrical conductivity of the two-dimensional (2D) electron gas at the interface of epitaxially grown ultrathin films of LaTiO3 on SrTiO3 shows a large gain upon near-UV excitation. The gain in conductivity can be turned on or off by the application of a gate voltage of correct polarity. This feature of the 2D gas should allow realization of optoelectronic devices whose functionality can be enhanced by sequential application of an electric field and light.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to John Wiley and Sons. |
| Keywords: | Photoeffects; Field Effects; 2D Electron Gases; Optical Switches; Thin Films |
| ID Code: | 87789 |
| Deposited On: | 22 Mar 2012 07:48 |
| Last Modified: | 22 Mar 2012 07:48 |
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