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  Monomeric Iron Heteroarylalkenolates: Structural Design Concepts and Investigations on Their Application in Chemical Vapor Deposition

Fornalczyk, G., Valldor, M., & Mathur, S. (2014). Monomeric Iron Heteroarylalkenolates: Structural Design Concepts and Investigations on Their Application in Chemical Vapor Deposition. Crystal Growth & Design, 14(4), 1811-1818. doi:10.1021/cg401930n.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-7F31-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-7F33-0
Genre: Journal Article

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Fornalczyk, Gregor1, Author
Valldor, Martin2, Author              
Mathur, Sanjay1, Author
Affiliations:
1external, ou_persistent22              
2Martin Valldor, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863454              

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 Abstract: Aryl substituted beta-alkenol 1-(dimethyl-1,3-thiazol-2-yl)-3,3,3-trifluoropropenol (DMTTFP) was employed as an efficient metal chelator to obtain volatile monomeric precursors containing Fe-II and Fe-III centers. [Fe(DMTTFP)(2)] (1) and [Fe(DMTTFP)(2)(OBut)] (2) were synthesized by reacting suitable starting materials with DMTTFP. The molecular structures were elucidated by single-crystal X-ray diffraction analyses, which revealed a distorted tetrahedral and a trigonal-bipyramidal arrangement of ligands around iron atoms in 1 and 2, respectively. Magnetic investigations confirmed [Fe(DMTTFP)(2)] to exhibit a thermally populated spin-state transition that becomes apparent below 10 K. The high-spin state was gradually transferred to a low-spin state on cooling, suggesting a nonmagnetic ground state. [Fe(DMTTFP)(2)(OBut)] exhibited enhanced stability, sufficient volatility, and decomposition behavior serving as an efficient Fe-III precursor for the growth of iron oxide layers on an Al2O3 substrate via chemical vapor deposition.

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 Dates: 2014-04-01
 Publication Status: Published in print
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 Identifiers: ISI: 000333948000037
DOI: 10.1021/cg401930n
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Title: Crystal Growth & Design
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: 14 (4) Sequence Number: - Start / End Page: 1811 - 1818 Identifier: ISSN: 1528-7483
CoNE: /journals/resource/110978984570353