Interdiffusion in InSb/Zn/InSb System

Györgyi Glodán; Yusuke Iguchi; Csaba Cserháti; Gergő Pál; Tsutomo Mashimo; Dezső L. Beke

doi:10.4028/www.scientific.net/DDF.323-325.571

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HomeDefect and Diffusion ForumDefect and Diffusion Forum Vols. 323-325Interdiffusion in InSb/Zn/InSb System

Interdiffusion in InSb/Zn/InSb System

Abstract:

Interdiffusion in Zn/InSb system has been investigated under high (0.59×10⁶ G) and low (1 G) gravity conditions at 673, 593 and 573K, respectively. Samples annealed at 0.59×10⁶ G, 673K for 60 hours, indicated the formation of a periodic reaction layer structure. Since such structures can be formed in solid state reactions of ternary systems [, the effect of high gravitational field and high hydrostatic pressure (approximately 3kbar) in the formation of periodic patterns was investigated. Systematic investigations at ambient pressure and low gravitational field were carried out at 593 and 573 K in sandwich geometry. SEM and EDX analysis had shown that there are different phases between the initial components. Starting from the Zn side of the specimen there is a very thin single-phase with high (about 90%) In content. Next to it is a thin two-phase layer, containing mainly 50-50% InSb and some elongated Zn particles and then there is a thick phase with the composition of Zn₅In₂Sb₄ which is followed by a similar two-phase mixture (InSb+Zn) similar to the Zn side of the sample. Although the diffusion zone is not a well developed periodic structure, but every layer (clearly distinguishable form the others and was either a single-or multiphase layer) grows with the time.

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Defect and Diffusion Forum (Volumes 323-325)

Pages:

571-575

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.323-325.571

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Online since:

April 2012

Authors:

Györgyi Glodán, Yusuke Iguchi, Csaba Cserháti, Gergő Pál, Tsutomo Mashimo, Dezső L. Beke

Keywords:

High Gravitational Field, High-Pressure, Interdiffusion, Pattern Formation

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References

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