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Aluminum Nitride Prepared by Nitridation of Aluminum Oxide Precursors

Kroke, Edwin ; Loeffler, Lars ; Lange, Fred F. ; Riedel, Ralf (2002)
Aluminum Nitride Prepared by Nitridation of Aluminum Oxide Precursors.
4th International Conference on Advanced Ceramics and Glasses. MAUI, HAWAII (NOV 04-08, 2001)
doi: 10.1111/j.1151-2916.2002.tb00595.x
Konferenzveröffentlichung, Bibliographie

Kurzbeschreibung (Abstract)

Aluminum nitride (AlN) powders were prepared from the oxide precursors aluminum nitrate, aluminum hydroxide, aluminum 2-ethyl-hexanoate, and aluminum isopropoxide (i.e., Al(NO3)3, Al(OH)3, Al(OH)(O2CCH(C2H5)(C4H9))2, and Al(OCH(CH3)2)3). Pyrolyses were performed in flowing dry NH3 and N2 at 1000°–1500°C. For comparison, the nitride precursors aluminum dimethylamide (Al(N(CH3)2)3) and aluminum trimethylamino alane (AlH3�N(CH3)3) were exposed to the same nitridation conditions. Products were investigated using XRD, TEM, EDX, SEM, and elemental analysis. The results showed that nitridation was primarily controlled by the water:ammonia ratio in the atmosphere. Single-phase AlN powders were obtained from all oxide precursors. Complete nitridation was not obtained using pure N2, even for the non-oxide precursors.

Typ des Eintrags: Konferenzveröffentlichung
Erschienen: 2002
Autor(en): Kroke, Edwin ; Loeffler, Lars ; Lange, Fred F. ; Riedel, Ralf
Art des Eintrags: Bibliographie
Titel: Aluminum Nitride Prepared by Nitridation of Aluminum Oxide Precursors
Sprache: Englisch
Publikationsjahr: Dezember 2002
Verlag: AMER CHEMICAL SOC, WASHINGTON, USA
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Journal of the American Ceramic Society
(Heft-)Nummer: 12
Reihe: Journal of the American Ceramic Society
Band einer Reihe: 85 (12)
Veranstaltungstitel: 4th International Conference on Advanced Ceramics and Glasses
Veranstaltungsort: MAUI, HAWAII
Veranstaltungsdatum: NOV 04-08, 2001
DOI: 10.1111/j.1151-2916.2002.tb00595.x
URL / URN: https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1151-2916....
Kurzbeschreibung (Abstract):

Aluminum nitride (AlN) powders were prepared from the oxide precursors aluminum nitrate, aluminum hydroxide, aluminum 2-ethyl-hexanoate, and aluminum isopropoxide (i.e., Al(NO3)3, Al(OH)3, Al(OH)(O2CCH(C2H5)(C4H9))2, and Al(OCH(CH3)2)3). Pyrolyses were performed in flowing dry NH3 and N2 at 1000°–1500°C. For comparison, the nitride precursors aluminum dimethylamide (Al(N(CH3)2)3) and aluminum trimethylamino alane (AlH3�N(CH3)3) were exposed to the same nitridation conditions. Products were investigated using XRD, TEM, EDX, SEM, and elemental analysis. The results showed that nitridation was primarily controlled by the water:ammonia ratio in the atmosphere. Single-phase AlN powders were obtained from all oxide precursors. Complete nitridation was not obtained using pure N2, even for the non-oxide precursors.

Freie Schlagworte: POWDERS; ALN; CERAMICS; ROUTES; FILMS; AIN
Fachbereich(e)/-gebiet(e): 11 Fachbereich Material- und Geowissenschaften
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Disperse Feststoffe
Hinterlegungsdatum: 26 Apr 2012 11:10
Letzte Änderung: 21 Aug 2018 14:46
PPN:
Sponsoren: E. K. acknowledges the A.v. Humboldt Foundation for granting a Feodor Lynen Fellowship. A portion of E. K.’s salary was supported through funds from a Max Planck International Research Award., Nonsalary support came from the Materials Research Laboratory Program of the National Science Foundation under award No. DMR96–32716., The study was also supported, in part, by the Fonds der Chemischen Industrie (FCI, Frankfurt, Germany).
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