Interactions between BeO substrates and high-lead glasses of typical composition for hybrid thick films have been studied by means of secondary neutral mass spectrometry. The Be atomic concentration on top of glass layers, 2-40 mum thick, prepared at various temperatures T(f), ranging from 750 to 1000-degrees-C have been measured. The results give insight of Be solubility values from 0.5 to about 6 at. %, according to the glass type and firing temperature, and diffusion coefficients higher than 10(-10) cm2/S. Moreover, the diffusion mechanism appears quite different from that involved in interactions between the same glasses and alumina substrates, since no correlated diffusion process has been observed in the present case.

Interactions between beryllia and high-lead glasses / Moro, L; Lazzeri, P; Prudenziati, Maria; Morten, Bruno; Savigni, P.. - In: APPLIED PHYSICS LETTERS. - ISSN 0003-6951. - STAMPA. - 61:(1992), pp. 2299-2301.

Interactions between beryllia and high-lead glasses

PRUDENZIATI, Maria;MORTEN, Bruno;
1992

Abstract

Interactions between BeO substrates and high-lead glasses of typical composition for hybrid thick films have been studied by means of secondary neutral mass spectrometry. The Be atomic concentration on top of glass layers, 2-40 mum thick, prepared at various temperatures T(f), ranging from 750 to 1000-degrees-C have been measured. The results give insight of Be solubility values from 0.5 to about 6 at. %, according to the glass type and firing temperature, and diffusion coefficients higher than 10(-10) cm2/S. Moreover, the diffusion mechanism appears quite different from that involved in interactions between the same glasses and alumina substrates, since no correlated diffusion process has been observed in the present case.
1992
61
2299
2301
Interactions between beryllia and high-lead glasses / Moro, L; Lazzeri, P; Prudenziati, Maria; Morten, Bruno; Savigni, P.. - In: APPLIED PHYSICS LETTERS. - ISSN 0003-6951. - STAMPA. - 61:(1992), pp. 2299-2301.
Moro, L; Lazzeri, P; Prudenziati, Maria; Morten, Bruno; Savigni, P.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/11408
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