Semiconductor composition containing iron, dysprosium, and terbium

US9773876B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9773876-B2
Application numberUS-201615194715-A
CountryUS
Kind codeB2
Filing dateJun 28, 2016
Priority dateJul 2, 2015
Publication dateSep 26, 2017
Grant dateSep 26, 2017

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

An amorphous semiconductor composition includes 1 to 70 atomic percent iron, 15 to 65 atomic percent dysprosium, 15 to 35 atomic percent terbium, balance X, wherein X is at least one of an oxidizing element and a reducing element. The composition has an essentially amorphous microstructure, an optical transmittance of at least 50% in at least the visible spectrum and semiconductor electrical properties.

First claim

Opening claim text (preview).

What is claimed is: 1. An amorphous semiconductor composition comprising 1 to 70 atomic percent iron, 15 to 65 atomic percent dysprosium, 15 to 35 atomic percent terbium, balance X, wherein X is at least one element selected from the group consisting of an oxidizing element and a reducing element, said composition having an essentially amorphous microstructure, an optical transmittance of at least 50% in at least the visible spectrum and semiconductor electrical properties. 2. An amorphous semiconductor composition in accordance with claim 1 wherein said semiconductor composition comprises 10 to 60 atomic percent iron. 3. An amorphous semiconductor composition in accordance with claim 1 wherein said semiconductor composition comprises 10 to 50 atomic percent iron. 4. An amorphous semiconductor composition in accordance with claim 1 wherein said semiconductor composition comprises 25 to 55 atomic percent dysprosium. 5. An amorphous semiconductor composition in accordance with claim 1 wherein said semiconductor composition comprises 20 to 30 atomic percent terbium. 6. An amorphous semiconductor composition in accordance with claim 1 wherein said oxidizing element is oxygen. 7. An amorphous semiconductor composition in accordance with claim 1 wherein said reducing element is at least one element selected from the group consisting of sulfur, hydrogen, and nitrogen. 8. An amorphous semiconductor composition in accordance with claim 1 wherein said optical transmittance is at least 70% in the visible spectrum. 9. An amorphous semiconductor composition in accordance with claim 1 wherein said semiconductor composition is characterized by room temperature ferromagnetism. 10. An amorphous semiconductor composition in accordance with claim 1 wherein said semiconductor composition is characterized by semiconductor electrical behavior. 11. A semiconductor device comprising a substrate having an amorphous semiconductor layer adherently disposed thereon, said amorphous semiconductor layer comprising 1 to 70 atomic percent iron, 15 to 65 atomic percent dysprosium, 15 to 35 atomic percent terbium, balance X, wherein X is at least one element selected from the group consisting of an oxidizing element and a reducing element, said composition having an essentially amorphous microstructure, an optical transmittance of at least 50% in at least the visible spectrum and semiconductor electrical properties. 12. A semiconductor device in accordance with claim 11 wherein said semiconductor composition comprises 10 to 60 atomic percent iron. 13. A semiconductor device in accordance with claim 11 wherein said semiconductor composition comprises 10 to 50 atomic percent iron. 14. A semiconductor device in accordance with claim 11 wherein said semiconductor composition comprises 25 to 55 atomic percent dysprosium. 15. A semiconductor device in accordance with claim 11 wherein said semiconductor composition comprises 20 to 30 atomic percent terbium. 16. A semiconductor device in accordance with claim 11 wherein said oxidizing element is oxygen. 17. A semiconductor device in accordance with claim 11 wherein said reducing element is at least one element selected from the group consisting of sulfur, hydrogen, and nitrogen. 18. A semiconductor device in accordance with claim 11 wherein said optical transmittance is at least 70% in the visible spectrum. 19. A semiconductor device in accordance with claim 11 wherein said semiconductor composition is characterized by room temperature ferromagnetism. 20. A semiconductor device in accordance with claim 11 wherein said semiconductor composition is characterized by semiconductor electrical behavior.

Assignees

Inventors

Classifications

  • C03C3/12Primary

    Silica-free oxide glass compositions · CPC title

  • H01L29/247Primary

    Electricity · mapped topic

  • with glass (C03C17/34, C03C17/44 take precedence) · CPC title

  • Compositions for glass with special properties · CPC title

  • Oxides (C23C14/10 takes precedence) · CPC title

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What does patent US9773876B2 cover?
An amorphous semiconductor composition includes 1 to 70 atomic percent iron, 15 to 65 atomic percent dysprosium, 15 to 35 atomic percent terbium, balance X, wherein X is at least one of an oxidizing element and a reducing element. The composition has an essentially amorphous microstructure, an optical transmittance of at least 50% in at least the visible spectrum and semiconductor electrical pr…
Who is the assignee on this patent?
Ut Battelle Llc, Univ Tennessee Res Found
What technology area does this patent fall under?
Primary CPC classification C03C3/12. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Sep 26 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).