Raman investigation of diamond films prepared by combustion flames

Raman investigation of diamond films prepared by combustion flames

Raman analysis is carried out to establish the mixed nature of C bonding in diamond films deposited at atmospheric pressures in combustion flames. By monitoring the sp sup 3 -bonded 1334-cm- sup 1 Raman signature of diamond and sp sup 2 -bonded 1350- and 1580-cm- sup 1 signatures of graphite, it is...

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Veröffentlicht in:Journal of applied physics 1990-01, Vol.68 (7), p.3303-3306
Hauptverfasser: Harshavardhan, K S, Vijayaraghavan, M N, Chandrabhas, N
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container_title Journal of applied physics
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creator Harshavardhan, K S
Vijayaraghavan, M N
Chandrabhas, N
description Raman analysis is carried out to establish the mixed nature of C bonding in diamond films deposited at atmospheric pressures in combustion flames. By monitoring the sp sup 3 -bonded 1334-cm- sup 1 Raman signature of diamond and sp sup 2 -bonded 1350- and 1580-cm- sup 1 signatures of graphite, it is established that under optimum conditions of flow rates and substrate temps., the primary combustion zone provides an ideal situation for diamond growth. Study reveals an a-Si sub 1 sub - sub x C sub x -like interface (0.5 < or = x < or = 1) and an amorphous diamondlike precursor phase.
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title Raman investigation of diamond films prepared by combustion flames
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