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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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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
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Keywords:MoS2; two-dimensional crystals; photoluminescence
Dewey Decimal Classification:500 Science > 530 Physics
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Deposited on:22 May 2012 13:10
Last modified:22 May 2012 13:10
Item ID:24478
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