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Publisher DOI: 10.1080/21663831.2016.1276485
Title: Silver-rich clusters in nanoporous gold
Language: English
Authors: Krekeler, Tobias 
Straßer, Anastasia V. 
Graf, Matthias 
Wang, Ke 
Hartig, Christian 
Ritter, Martin  
Weissmüller, Jörg 
Keywords: dealloying;nanoporous gold;elemental mapping;electron microscopy;kinetic Monte Carlo simulation
Issue Date: 17-Jan-2017
Publisher: Taylor & Francis
Source: Materials Research Letters 5 (5): 314-321 (2017)
Journal or Series Name: Materials Research Letters 
Abstract (english): Herein we report on how to render Ti3C2Tx (MXene) monolayers deposited on SiO2/Si wafers, with different SiO2 thicknesses, visible. Inputting the effective thickness of a Ti3C2Tx monolayer (1 ± 0.2 nm) measured by atomic force microscopy, and its refractive index into a Fresnel-law-based simulation software, we show that the optical contrast of Ti3C2Tx monolayers deposited on SiO2/Si wafers depends on the SiO2 thickness, number of MXene layers, and the light’s wavelength. The highest contrast was found for SiO2 thicknesses around 220 nm. Simulations for other substrates, namely, Al2O3/Si, HfO2/Si, Si3N4/Si and Al2O3/Al, are presented as supplementary information.
DOI: 10.15480/882.1650
ISSN: 2166-3831
Institute: Werkstoffphysik und -technologie M-22 
Betriebseinheit Elektronenmikroskopie M-26 
Type: (wissenschaftlicher) Artikel
Project: SFB 986: Teilprojekt B2 - Feste und leichte Hybridwerkstoffe auf Basis nanoporöser Metalle 
SFB 986: Zentralprojekt Z3 - Elektronenmikroskopie an multiskaligen Materialsystemen 
License: In Copyright In Copyright
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