1983
DOI: 10.1051/rphysap:01983001808051500
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Appareillage d'épitaxie de composés semiconducteurs par transport réactif à courte distance

Abstract: 2014 L'appareillage décrit est un système permettant de réaliser le transport d'un matériau sur un substrat, dans une enceinte où la pressionou le débitdu gaz réactif peuvent être fixés ; les caractéristiques principales résident dans le contrôle et la stabilisation des températures, la rapidité d'établissement des programmes thermiques et la multiplicité des interventions in situ. Précision des mesures et souplesse d'utilisation sont les qualités qui font de cet appareillage un bon outil de recherche expérime… Show more

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Cited by 9 publications
(6 citation statements)
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“…[3]). This second path for the transport of GaAs is 2GaAs(~) + H20(g) ~ Gala(g) + V2 As4(g) + H~(g) [13] It is assumed that the second equation will also follow the two hypotheses presented above. Since both reactions involved in the transport are always at equilibrium at the source and substrate surfaces, they can be treated independently.…”
Section: Rt Rt2mentioning
confidence: 99%
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“…[3]). This second path for the transport of GaAs is 2GaAs(~) + H20(g) ~ Gala(g) + V2 As4(g) + H~(g) [13] It is assumed that the second equation will also follow the two hypotheses presented above. Since both reactions involved in the transport are always at equilibrium at the source and substrate surfaces, they can be treated independently.…”
Section: Rt Rt2mentioning
confidence: 99%
“…= exp [-AG~ [15] where P' is the partial pressure of the volatile materials involved in reaction [13] and AG ~ is the standard free energy of reaction [13]. Equations [14] and [15] can be simplified.…”
Section: P'gazo( T1)( P'as4( T1) )I/2 P'h2( T1) K' (T1) -= P'n~o(t)mentioning
confidence: 99%
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“…On peut ainsi prendre pour VD une valeur voisine de 0,23 eV.Les jonctions abruptes ont 6t6 obtenues a 1'aide d'une m6thode de transport r6actif a courte distance (C.S.V.T. )[12]. Au terme de la croissance, les structures subissent un recuit thermique final in situ sous atmosphere d'hydrog6ne a 300 OC pendant 30 min.…”
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