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Digitale Medien

Oxygen Diffusion in Single- and Poly-Crystalline Zinc Oxides (1999)

Haneda, Hajime ; Sakaguchi, Isao ; Watanabe, Akio ; [weitere]

Springer

Journal of electroceramics 4 (1999), S. 41-48

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Details

ISSN: 1573-8663

Schlagwort(e): diffusion ; oxygen ; zinc oxide ; grain boundary ; dopant ; SIMS ; interstitial diffusion

Quelle: Springer Online Journal Archives 1860-2000

Thema: Elektrotechnik, Elektronik, Nachrichtentechnik , Maschinenbau

Notizen: Abstract 18O diffusion coefficients were measured in zinc oxide ceramics using a secondary ion mass spectrometer. The results are interpreted as indicating extrinsic behavior. The values of the lattice diffusion coefficients with higher valence dopants compared with zinc ions are greater than lower valence dopant such as lithium ions. Using the data at deeper depth, the grain boundary diffusivity of oxide ions was also evaluated. Although the lattice diffusion coefficients varied by two orders of magnitude, the products of grain boundary width and grain boundary diffusion coefficient were less sensitive to the type of dopants.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1009969600587

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