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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Hill, Michael S.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2023Alkali Metal Reduction of Alkali Metal Cationscitations
- 2021Tin(II) Ureide Complexes:Synthesis, Structural Chemistry and Evaluation as SnO precursorscitations
- 2021Tin(II) Ureide Complexescitations
- 2019Aerosol-Assisted Chemical Vapor Deposition of ZnS from Thioureide Single Source Precursorscitations
- 2018Tin Guanidinato Complexes: Oxidative Control of Sn, SnS, SnSe and SnTe Thin Film Depositioncitations
- 2017Deposition of SnS Thin Films from Sn(II) Thioamidate Precursorscitations
- 2017Aerosol-Assisted chemical vapor deposition of cds from xanthate single source precursorscitations
- 2016Aerosol-assisted CVD of SnO from stannous alkoxide precursorscitations
- 2016Synthesis, Structure and CVD Studies of the Group 13 Complexes [Me 2 M{tfacnac}] [M = Al, Ga, In; Htfacnac = F 3 CC(OH)CHC(CH 3 )NCH 2 CH 2 OCH 3 ]citations
- 2016Homoleptic zirconium amidatescitations
- 2016Synthesis, Structure and CVD Studies of the Group 13 Complexes [Me2M{tfacnac}] [M = Al, Ga, In; Htfacnac = F3CC(OH)CHC(CH3)NCH2CH2OCH3]citations
- 2015Synthesis and characterization of fluorinated β-ketoiminate zinc precursors and their utility in the AP-MOCVD growth of ZnO:Fcitations
- 2015Synthesis and characterization of fluorinated β-ketoiminate zinc precursors and their utility in the AP-MOCVD growth of ZnO:Fcitations
- 2015Polymorph-Selective Deposition of High Purity SnS Thin Films from a Single Source Precursorcitations
- 2014Single-source AACVD of composite cobalt-silicon oxide thin filmscitations
- 2014The first crystallographically-characterised Cu(II) xanthatecitations
- 2013Influence of crystallinity and energetics on charge separation in polymer–inorganic nanocomposite films for solar cellscitations
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article
Homoleptic zirconium amidates
Abstract
<p>We report the development of a true single source precursor (i.e. without any need for an exogenous source of oxygen) for the growth of zirconia thin films by aerosol-assisted chemical vapour deposition (AACVD) using an original family of zirconium(iv) amidate derivatives, which are easily prepared by protonolysis of [Zr(NMe<sub>2</sub>)<sub>4</sub>] with the free amide pro-ligands. In all but one case the reactions resulted in the isolation of the corresponding homoleptic eight-coordinate zirconium(iv)tetrakis(amidato) derivatives. Three of these species along with a tris(amidato)dimethylamido zirconium(iv) derivative have been characterised by single crystal X-ray diffraction analysis. The materials potential of the homoleptic compounds was identified through the application of design criteria derived from consideration of the existing knowledge base relating to the pyrolysis of wholly organic amides. In this manner the thermal decomposition of the homoleptic derivatives benefits from facile, molecularly imposed pyrolysis pathways, which provide for the privileged generation of volatile small molecule by-products and the production of contaminant-free solid oxide material. Thermogravimetric analysis, in conjunction with NMR spectroscopic analysis of the volatile products resulting from their thermal decomposition, indicated the potential of the homoleptic species as exquisite single source precursors to ZrO<sub>2</sub> at moderate temperatures. The compound bearing both N- and C-iso-propyl substituents was, thus, applied as a true single source precursor under ambient pressure AACVD conditions. The resultant films, deposited on either SiO<sub>2</sub>-coated glass or quartz substrates, are smooth and comprise small and densely packed crystalline particulates that are shown by XRD to be primarily cubic ZrO<sub>2</sub>. Compositional analysis by X-ray photoelectron spectroscopy (XPS) revealed that the oxygen delivered, and the decomposition pathway provided, by the amidate ligand structure yields ZrO<sub>2</sub> films which, though slightly sub-stoichiometric (ZrO<sub>1.8-1.9</sub>), contain undetectable levels of carbon incorporation.</p>