Unusual behavior in the magnetic anisotropy of ultra-thin Co Sandwiches: The role of underlayers
Conference
·
OSTI ID:69911
We have used it situ polar Kerr effect measurements to study tile magnetic anisotropy of X/Co/Y sandwich structures grown by MBE on Cu(111) buffers, where X and Y are variable thicknesses of Au. For fixed values of Y and in the case of an underlayer wedge, e.g. variable X value, we have found a sharp minimum in both coercive field and perpendicular anisotropy at {approx} 1 atomic layer of the Au underlayer. This anisotropy behavior is opposite to that of an Au overlayer deposited on a Co film, i.e. variable Y and fixed X.
- Research Organization:
- Arizona Univ., Tucson, AZ (United States). Dept. of Physics
- Sponsoring Organization:
- USDOE, Washington, DC (United States); Centre National de la Recherche Scientifique (CNRS), 75 - Paris (France); North Atlantic Treaty Organization, Brussels (Belgium)
- DOE Contract Number:
- FG03-93ER45488
- OSTI ID:
- 69911
- Report Number(s):
- DOE/ER/45488--5; CONF-940829--4; ON: DE95010612
- Country of Publication:
- United States
- Language:
- English
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