35788-99-9

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LANTHANUM TRIS(HEXAMETHYLDISILAZIDE)

Product Code: SIL6464.0

Cas No: 35788-99-9

R&D quantities:

5 g
$385.00

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ALD Material

Atomic layer deposition (ALD) is a chemically self-limiting deposition technique that is based on the sequential use of a gaseous chemical process. A thin film (as fine as -0.1 Å per cycle) results from repeating the deposition sequence as many times as needed to reach a certain thickness. The major characteristic of the films is the resulting conformality and the controlled deposition manner. Precursor selection is key in ALD processes, namely finding molecules which will have enough reactivity to produce the desired films yet are stable enough to be handled and safely delivered to the reaction chamber.

Lanthanum tris(hexamethyldisilazide); Lanthanum hexamethyldisilazide; Tris[bis(trimethylsilyl)amido]lanthanum; Lanthanum tris[bis(trimethylsilyl)amide]
  • Catalyst for Tischenko reaction
  • Employed in CVD of lanthanum silicate
  • Catalyst for “click” acetylene-azide reactions

    • Boiling Point: 100-2° / 10-4 sub

    Melting Point: 145-9°

    Molecular Weight: 620.07

    HMIS Key: 2-1-1-X

    Hydrolytic Sensitivity: 8: reacts rapidly with moisture, water, protic solvents

    Formula: C18H54LaN3Si6

    Application: Catalyst for Tischenko reaction.1
    Employed in CVD of lanthanum silicate.2
    Catalyst for "click" acetylene-azide reactions.3

    Reference: 1. Bebenbach, H. et al. Angew. Chem., Int. Ed. Engl. 1998, 37, 1569.
    2. Aspinal, H. C. et al. Chem. Vap. Deposition 2003, 9, 7.
    3. Hong, L. et al. Chem. Commun. 2013, 49, 5589.