Composite material comprising a layer of a III-V compound and a layer of rare earth pnictide, production process and application
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United States of America Patent
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May 25, 1993
Grant Date -
N/A
app pub date -
Apr 6, 1990
filing date -
Apr 13, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a composite material. This material comprises at least one layer A of III-V compound and one epitaxial layer B on said layer of III-V compounds, the epitaxial layer corresponding to the empirical formula REPc, where RE is chosen from the group comprising the rare earths (scandium, yttrium, preferably lanthanum, lanthanides, and their mixtures); and where Pc is chosen from the elements of column V of the periodic table of the elements and their mixtures, and, when Pc contains arsenic, the compound REPc is at least a ternary compound. Application is to the electronics industry.
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