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Electrostatic Self-Assembly of Diamond Nanoparticles onto Al- and N-Polar Sputtered Aluminum Nitride Surfaces

Taro Yoshikawa 1 Markus Reusch 1, 2 Verena Zuerbig 1 Volker Cimalla 1 Kee-Han Lee 3 Magdalena Kurzyp 3 Jean-Charles Arnault 3 Christoph Nebel 1 Oliver Ambacher 1 Vadim Lebedev 1
1 Fraunhofer IAF - Fraunhofer Institute for Applied Solid State Physics
2 University of Freiburg [Freiburg]
3 LCD-LIST - Laboratoire Capteurs Diamant
DM2I - Département Métrologie Instrumentation & Information : DRT/LIST/DM2I
Abstract : Electrostatic self-assembly of diamond nanoparticles (DNPs) onto substrate surfaces (so-called nanodiamond seeding) is a notable technique, enabling chemical vapor deposition (CVD) of nanocrystalline diamond thin films on non-diamond substrates. In this study, we examine this technique onto differently polarized (either Al- or N-polar) c-axis oriented sputtered aluminum nitride (AlN) film surfaces. This investigation shows that Al-polar films, as compared to N-polar ones, obtain DNPs with higher density and more homogeneously on their surfaces. The origin of these differences in density and homogeneity is discussed based on the hydrolysis behavior of AlN surfaces in aqueous suspensions.
Keywords : STABILITY REACTIVITY NUCLEATION GROWTH electrostatic self-assembly nanodiamond seeding diamond nanoparticles aluminum nitride polarity surface oxidation hydrolysis zeta potential NANOCRYSTALLINE DIAMOND SINGLE-CRYSTALS DEVICES POWDER FILMS
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https://hal-cea.archives-ouvertes.fr/cea-01874774
Contributor : Marie-France Robbe <>
Submitted on : Friday, September 14, 2018 - 4:41:39 PM
Last modification on : Friday, June 25, 2021 - 10:00:02 AM

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Taro Yoshikawa, Markus Reusch, Verena Zuerbig, Volker Cimalla, Kee-Han Lee, et al.. Electrostatic Self-Assembly of Diamond Nanoparticles onto Al- and N-Polar Sputtered Aluminum Nitride Surfaces. Nanomaterials, MDPI, 2016, 6 (11), pp.217. ⟨10.3390/nano6110217⟩. ⟨cea-01874774⟩

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