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Title: Ferromagnetic thin films

Patent ·
OSTI ID:869657

A ferromagnetic .delta.-Mn.sub.1-x Ga.sub.x thin film having perpendicular anisotropy is described which comprises: (a) a GaAs substrate, (b) a layer of undoped GaAs overlying said substrate and bonded thereto having a thickness ranging from about 50 to about 100 nanometers, (c) a layer of .delta.-Mn.sub.1-x Ga.sub.x overlying said layer of undoped GaAs and bonded thereto having a thickness ranging from about 20 to about 30 nanometers, and (d) a layer of GaAs overlying said layer of .delta.-Mn.sub.1-x Ga.sub.x and bonded thereto having a thickness ranging from about 2 to about 5 nanometers, wherein x is 0.4 .+-.0.05.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
DOE Contract Number:
AC03-76SF00098
Assignee:
Regents, University of California (Oakland, CA)
Patent Number(s):
US 5374472
OSTI ID:
869657
Country of Publication:
United States
Language:
English

References (3)

Epitaxial ferromagnetic τ‐MnAl films on GaAs journal December 1990
Magnetic and magneto‐optic properties of epitaxial ferromagnetic τ‐MnAl/(Al,Ga)As heterostructures journal March 1992
Magnetic Tetragonal δ Phase in the Mn–Ga Binary journal April 1965

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