Patent · US Active

Growth method of Fe3N material

US8420407B2 · kind B2 · utility

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3Claims
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Key dates

Filing dateMay 3, 2010
Grant dateApr 16, 2013
Priority date
Expiry dateJun 17, 2031

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/0262
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A kind of growth method of Fe3Nin the MOCVD system, comprising following process: 1) make the surface nitridation of sapphire substrate; 2) pump in carrier gas N2, ammonia and organic gallium sources, and grow low temperature GaN buffer on substrate; 3) raise temperature and grow the GaN supporting layer; 4) pump in FeCp2 as Fe sources, then grow Fe3N on the GaN supporting layer; the Fe3N granular films and the Fe3N single crystal films are obtained.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.