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Spin Polarization Measurements of Rare Earth Thin 
Films. Edition No. 1 - Product Image

Spin Polarization Measurements of Rare Earth Thin Films. Edition No. 1

  • ID: 1916934
  • October 2008
  • 136 Pages
  • VDM Publishing House

Spin polarization, the difference in the number of
spin-up and spin-down electrons, is an intrinsic
property of ferromagnetic materials. Materials with
high spin polarization have important technological
implications for magneto–electronic devices, e.g.
devices that use magnetic tunnel junctions (MTJ),
giant magnetoresistance (GMR) and/or magnetic random
access memory, (MRAM). The fundamental physics of
high spin polarization materials forms the basis for
future technological applications.
In this work, measurements of spin polarization have
been performed on c–axis gadolinium and dysprosium
thin films, epitaxially grown on (11-20) sapphire
substrates with a tungsten (110) seed layer. The
values of spin polarization of c–axis epitaxial
gadolinium and dysprosium films were obtained using
the point contact Andreev reflection (PCAR)
technique with quantitative analyses.

JAMI VALENTINE.
Jami Valentine was born in Philadelphia. She
attended Florida Agricultural and Mechanical University on the
Life–Gets–Better scholarship. She earned a Masters at Brown
University in Rhode Island. Jami was the first African American
woman to earn a Ph.D. in physics from Johns Hopkins University,
and the second in the state of Maryland.

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