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  • American Institute of Physics (AIP)  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Temperature dependence of growth morphology of sputtered (FePt/Pt) films on MgO (100) substrate (2001)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 90 (2001), S. 2211-2215 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have investigated growth morphology of FePt/Pt films prepared by sputtering on a MgO (100) substrate in a temperature range of 100–600 °C. The L10 ordered structure appeared at a low substrate temperature of 200 °C and became a dominant phase via a second-order type transformation. A transition of FePt film growth morphology from continuous two-dimensional (2D) layer-by-layer mode into 3D island growth mode was observed at a substrate temperature of about 400 °C. When the film grew in continuous mode the stress from lattice misfit played an important role in governing the growth morphology; while growing in island mode the thermal stress increasingly influenced it. The island structure revealed eightfold symmetry following the preferred process of elongating the channel length to broadening its width. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1389527
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  • 2
    Electronic Resource
    Electronic Resource
    Observation of perpendicular magnetic anisotropy in Ni/Pt multilayers at room temperature (1998)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 73 (1998), S. 393-395 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We report the experimental observation of room-temperature perpendicular magnetic anisotropy in Ni/Pt multilayers having 7–26 Å Ni and 2.3–4.6 Å Pt layer thicknesses, prepared by dc magnetron sputtering on glass substrates at 7 mTorr Ar sputtering pressure. Perpendicular magnetic anisotropy was found to be sensitively dependent on both Ni- and Pt-layer thicknesses, and a maximum anisotropy energy of 1.74×105 erg/cm3 was obtained for (16 Å Ni/2.3 Å Pt)30 multilayer. Interestingly, magnetization measurements revealed that about two atomic layers of Ni at the interface were magnetically dead in our samples. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.121845
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