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Low-temperature photoluminescence of oxide-covered single-layer MoS2

Plechinger, Gerd and Schrettenbrunner, Franz-Xaver and Eroms, Jonathan and Weiss, Dieter and Schueller, Christian and Korn, Tobias (2012) Low-temperature photoluminescence of oxide-covered single-layer MoS2. Phys. Status Solidi RRL 6 (3), pp. 126-128.

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Abstract

We present a photoluminescence study of single-layer MoS2 flakes on SiO2 surfaces. We demonstrate that the luminescence peak position of flakes prepared from natural MoS2, which varies by up to 25 meV between individual flakes, can be homogenized by annealing in vacuum. We use HfO2 and Al2O3 layers prepared by atomic layer deposition to cover some of our flakes. In these flakes, we observe a ...

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Item Type:Article
Date:2 January 2012
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Lupton > Group Christian Schüller
Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss
Projects:SFB 689: Spinphänomene in reduzierten Dimensionen, GRK 1570, Elektronische Eigenschaften von Nanostrukturen auf Kohlenstoff-Basis
Identification Number:
ValueType
10.1002/pssr.201105589DOI
Keywords:MoS2; two-dimensional crystals; photoluminescence
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner: Claudia Rahm
Deposited On:22 May 2012 13:10
Last Modified:22 May 2012 13:10
Item ID:24478
Owner Only: item control page
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