Inverted and crossed hysteresis loops in Ag/Ni multilayers |
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| Institution: | 1. Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand;2. MacDiarmid Institute for Advanced Materials and Nanotechnology, New Zealand;3. School of Chemical and Physical Sciences, Victoria University of Wellington, PO, Box 600, Wellington 6140, New Zealand;4. Robinson Research Institute, Victoria University of Wellington, PO, Box 33436, Lower Hutt 5046, New Zealand |
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| Abstract: | We report on the observation of inverted magnetic hysteresis loops in Ag/Ni multilayers. The samples were prepared by triode dc sputtering, at 100 K, with nickel layer thickness of about 8Å and Ag layer thicknesses ranging from about 5 to 40 Å. The phenomenon was observed in all the samples measured at temperatures larger than 90 K. |
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